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217Results forLatest Flange welding Tenders List

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Latest Flange welding Tenders in India – Verified Leads & Real-Time Insights by Tender18

Finding the right Flange welding tenders in India’s competitive e-procurement ecosystem requires more than just access—it demands accurate data, real-time monitoring, and expert analysis.

At Tender18 Infotech Private Limited, we bring deep industry experience in government procurement to help businesses identify, evaluate, and win Flange welding tenders efficiently. With a centralized platform aggregating 1100+ live tenders, we provide a single, trusted source for opportunities from central, state, and PSU departments.


Real-Time Flange welding Tender Intelligence & Monitoring

Our advanced dashboard delivers actionable insights and structured tender data, enabling you to make faster and smarter bidding decisions.

We categorize Flange welding tenders into:

  • Supply Tenders – BOQs and specifications sourced from GeM and PSUs
  • Service Tenders – NITs and scope of work from CPPP and state portals
  • EPC Projects – Large-scale infrastructure tenders with financial and design data

✔ This structured approach ensures complete transparency and deeper bid analysis before submission.


Comprehensive Sources of Flange welding Tenders

Tender18 acts as a centralized gateway by aggregating tenders from trusted and official sources:

  • Central Government Portals – CPPP, NIC, and Government e-Marketplace (GeM)
  • Railways & Transport – IREPS and Metro Rail projects
  • Power & Energy PSUs – NTPC, ONGC, NHPC, PowerGrid
  • Defense & Strategic Sectors – MES and DRDO tenders
  • State e-Procurement Portals – Gujarat, Maharashtra, Tamil Nadu, UP, and more

✔ Every listing is verified and regularly updated to maintain data accuracy and trust.


Step-by-Step Guide to Participate in Flange welding Tenders

1. Eligibility & Prequalification

Before bidding, ensure compliance with:

  • Financial turnover requirements (30–50% of tender value)
  • Past experience (2–3 similar projects)
  • Valid solvency certificate

2. Mandatory Documentation Checklist

Prepare the following to avoid disqualification:

  • Digital Signature Certificate (Class 3 DSC)
  • GST, PAN, MSME/Udyam registration
  • EMD (Earnest Money Deposit) or exemption proof
  • Technical bid with execution methodology

3. BOQ Analysis & Financial Bidding

The BOQ (Bill of Quantities) is the most critical component:

  • Analyze item-wise pricing
  • Ensure competitive yet sustainable quotes
  • Avoid underbidding risks (L1 pressure)

✔ Expert analysis can significantly improve your bid success ratio.


Why Tender18 is a Trusted Platform for Flange welding Tenders

✔ Proven Expertise in Government Procurement

We combine industry knowledge with practical bidding experience.

✔ Verified & Reliable Data

All Flange welding tenders are sourced from official portals and cross-checked for accuracy.

✔ Advanced Filtering Tools

Filter tenders by value, EMD, location, and category for precise targeting.

✔ Corrigendum & Update Tracking

Get instant alerts on deadline changes and specification updates.

✔ Historical Data Insights

Analyze past tender results to understand pricing trends and competition.

✔ End-to-End Bidding Support

From discovery to submission, including GeM onboarding and strategy.


Growth of Flange welding Sector in 2026

With the Government of India focusing on digital procurement and infrastructure expansion, the Flange welding sector has seen significant growth in e-tendering opportunities.

The rise of GeM-based procurement models like:

  • L1 Purchase
  • Direct Procurement
  • MSME-friendly policies

…has made it easier for startups and SMEs to participate and win contracts


Frequently Asked Questions (SEO Optimized)

How can I get daily Flange welding tender alerts?

You can register on Tender18 and select your preferred category. You will receive daily email alerts with all new Flange welding tenders.

Is EMD mandatory for all Flange welding tenders?

No, MSME and Udyam-registered businesses may get exemptions. Always check the NIT for specific conditions.

What is the difference between a Flange welding work tender and supply tender?

A supply tender involves delivering goods, while a work tender includes execution, labor, and project completion.

Can I access private Flange welding tenders on Tender18?

Yes, we also track major private sector and EPC tenders along with government opportunities.


Get Expert Support for Flange welding Tenders

Tender18 is more than a listing platform—we are your strategic partner in winning tenders.

Our services include:

  • Tender discovery & analysis
  • Documentation support
  • Bid strategy & submission
  • GeM registration & OEM onboarding

📞 Call / WhatsApp: +91 7069661818
🌐 Website: www.tender18.com

T18 Ref No : 16259564
new Tender
Location : ramgarh , jharkhand
Source : GEM Tenders
new Tender

tender for supply installation erection testing commissioning of vt pump of vertical turbine pump with motor , supply installation of flow meter , supply installation of 200 mm butterfly sluice valve as required , providing and laying double flanged screwed welded centrifugally spun , providing and laying d i c i specials of class k 9 suitable for mechanical jointing as per is 9523 up to 600 mm dia , providing and laying c i sluice valve with caps class i 200 mm dia , providing and laying gunmetal non-return valve- horizontal screwed end 65 mm dia , structural steel work riveted bolted or welded in built up sections , providing and fixing 200 mm dia rubber expansion joint suitable for pump discharge pipeline , double acting air valve 50 mm , providing and fixing bolts including nuts and washers complete , providing and laying in position specified grade of reinforced cement concrete , applying priming coat with ready mixed red oxide zinc chromate primer , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering , painting with synthetic enamel paint of approved brand and manufacture to give an even shade two or more coats on new work, 50hp vertical turbine pump system, as per atc

Agency / Dept : steel authority of india limited SAIL
Tender Value : 0
Due Date : Aug 05, 2026
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T18 Ref No : 16257191
new Tender
Location : najibabad , uttar pradesh
Source : GEM Tenders
new Tender

corrigendum tender for hardware items hardware 1 , hardware 2 , hardware 3 , hardware 4 , hardware 5 , hardware 6 , hardware 7 , hardware 8 , hardware 9 , hardware 10 , hardware 11 , hardware 12 , hardware 13 , hardware 14 , hardware 15 , hardware 16 , hardware 17 , hardware 18 , hardware 19 , hardware 20 , hardware 21 , hardware 22 , hardware 23 , hardware 24 , hardware 25 , hardware 26 , hardware 27 , hardware 28 , hardware 29 , hardware 30 , hardware 31 , hardware 32 , hardware 33 , hardware 34 , hardware 35 , hardware 36 , hardware 37 , hardware 38 , hardware 39 , hardware 40 , hardware 41 , hardware 42 , hardware 43 , hardware 44 , hardware 45 , hardware 46 , hardware 47 , hardware 48 , hardware 49 , hardware 50 , hardware 51 , hardware 52 , hardware 53 , hardware 54 , hardware 55 , hardware 56 , hardware 57 , hardware 58 , hardware 59 , hardware 60 , hardware 61 , hardware 62 , hardware 63 , hardware 64 , hardware 65 , hardware 66 , hardware 67 , hardware 68 , hardware 69 , hardware 70 , hardware 71 , hardware 72 , hardware 73 , hardware 74 , hardware 75 , hardware 76 , hardware 77 , hardware 78 , hardware 79 , hardware 80 , hardware 81 , hardware 82 , hardware 83 , hardware 84 , hardware 85 , hardware 86 , hardware 87 , hardware 88 , hardware 89 , hardware 90 , hardware 91 , hardware 92 , hardware 93 , hardware 94 , hardware 95 , hardware 96 , hardware 97 , hardware 98 , hardware 99 , hardware 101 , hardware 102 , hardware 103 , hardware 104 , hardware 105 , hardware 106 , hardware 107 , hardware 108 , hardware 109 , hardware 110 , hardware 111 , hardware 112 , hardware 113 , hardware 114 , hardware 115 , hardware 116 , hardware 117 , hardware 118 , hardware 119 , hardware 120 , hardware 121 , hardware 122 , hardware 123 , hardware 124 , hardware 125 , hardware 126 , hardware 127 , hardware 128 , hardware 129 , hardware 130 , hardware 131 , hardware 132 , hardware 133 , hardware 134 , hardware 135 , hardware 136 , hardware 137 , hardware 138 , hardware 139 , hardware 140 , hardware 141 , hardware 142 , hardware 143 , hardware 144 , hardware 145 , hardware 146 , hardware 147 , hardware 148 , hardware 149 , hardware 150 , hardware 151 , hardware 152 , hardware 153 , hardware 154 , hardware 155 , hardware 156 , hardware 157 , hardware 158 , hardware 159 , hardware 160 , hardware 161 , hardware 162 , hardware 163 , hardware 164, hardware items, en 8 round of different size iso/c45e with mt certrificate, m.s round of different size iso 630/1980, m.s. square of different size iso 1035-1980, m.s plain washer of different size iso-7089, spring washer flat saction of different size din-127/7980, s.s. washer of different size. din-125a/ iso-7089, spring washer bbbb/ssss of different size din-127/7980, alluminium rivit of different size iso 15983a, hexa blade (miranda) size 1/2inch x 12inch iso-2336 part 1 & 2, klipko make hose clamp of different size, spring steel flat 5 x 35 mm, split pin champion make of different size, red lead diwaldi make, white lead shakura make, m.seal (mahindra & mahindra make), holdite compound in 500 gram, rustoline in 500 gram, shallack compound ellofic/pidilite, araldite (1.8 kg), graphite powder, thread seal tape champion make size 3/4 inch (taflon tap), emery tape carborandum make (rough) size 1 inch(roll of 50 mtr), emery tape carborandum make size 1.5 inch (roll of 50 mtr), emery tape carborandum make size 2inch (roll of 50 mtr), emery cloth carborandum make no.50, emery cloth carborandum make no. 80, emery cloth carborandum make no. 100, lead wire size 0.5mm thick, lead, locktite in 50 ml, percian blue enamel paint tube in 20ml, namda (wollen flat) size 30mm x 6 inchx6 inch, namda (wollen flat) size 1/2inchx1 inchx2 inch, brasso ( reckitt & colman make)500 ml, brass shim size 14 inch x 48 inch x 5 thou, brass shim size 14 inch x 48 inch x 8 thou, brass shim size 14 inch x 48 inch x 10 thou, brass rod different sizes, brass brazing rod size 1/8 inch, brass brazing rod size 1/4inch, brass connector with nut size 3/8 inch, brass connector with nut size 1/4 inch, brass ferrul size 3/8 inch, brass ferrul size 1/4 inch, brass connector with nut and brass ferrule size 3/8 inch, brass connector with nut and brass ferrule size 1/4 inch, s.s. plate 316 grade in all size, s.s. rod different sizes in 304 grade, stainless steel piano wire roll, internal circlip size 48 mm, internal circlip size 50 mm, internal circlip size 52 mm, internal circlip size 54 mm, internal circlip size 74 mm, external circlip size 18 mm, external circlip size 20 mm, external circlip size 22 mm, external circlip size 50 mm, external circlip size 54 mm, external circlip size 74 mm, steel wire rope 18mm (construction 6/19) tensile strength 1770n / mm square usha martin make with test certificate with hampcore, good year make flat belt size 6inchx8 ply, advani make super bond s.s. electrode size 2.5mm, annabond tube in 100 gram no. 666, annabond retainer for bearing no. 412, painting brush 25 mm, painting brush 50 mm, painting brush 70 mm, painting brush 100 mm, painting brush 125 mm, steel wire brush 3 inch x 6 inch, aligator type belt fastner steel belt locking size no.35, copper pipe / tube any size, lrb pad (glass wool) size 1640mm x 1220mm x 50mm (with wirenetting), m.s.connector forged 1/2 inchx 3/8 inch, cs hp glove valve bhel make socket weld class 800 size 1 inch, cs hp glove valve bhel make socket weld class 800 size 1.5 inch, cs hp glove valve bhel make socket weld class 800 size 2 inch, c.s. hp globe valve audco make socket welded class 800 size 1inch, c.s. hp globe valve audco make socket welded class 800 size 1.5inch, c.s. hp globe valve audco make socket welded class 800 size 2inch, hp non return valve, horixontal type socket welded class 800 size-3inch, m.s.flat different sizes, s.s. needle valve hd .5 inch, vacuum hose pipe 2.5 x 18 inch, wire braided steam hose rubber hose pipe id 3/4 inch, m.s. stud full thread 12x125mm, klinger make transparent plain gauge glass b-9 suitable for steam pressure reqd. 50kg/cm sq with gasket size 340 x 34 x 17, m.s. socket forged steel 1 inch, welding glass plain (white), welding glass plain (black), welding hand gloves, cotton waste best quality (colour), h.p.steam hose connection 1/4inch x 4 mtr, h.p.steam hose connection 3/8inch x 18inch, h.p.steam hose connection 3/8inch x 1 mtr, m.s.hydraulik connector 3/8inchx3/8inch, wirebraided rubber hose pipe for steaming 200 degree c temp bore 20mm, air pressure heavy duty hose pipe for vacuum size 3/4inch, rubber tyre coupling unique make complete ph-250, rubber tyre coupling unique makecomplete ph-178, rubber tyre coupling unique make complete ph-190, rubber tyre coupling unique make complete ph-160, rubber tyre coupling unique make complete ph-140, rubber tyre coupling unique make complete ph-76, rubber tyre coupling unique make complete ph-96, rubber tyre ph-76, rubber tyre ph-96, rubber tyre ph-140, rubber tyre ph-178, rubber tyre ph-190, rubber tyre ph-250, flexible hose pipe double wirebraided size 1inch x 3 mtr, flexible hose pipe double wirebraided size 3/8inch x 18inch, brass nozzle size 1/4inch monark type as per sample, brass nozzle size 1/4inch peacock type as per sample, gas welding hose pipe red euro make, gas welding hose pipe blue euro make, l.p.g cutting nozzle size 3/64 inch inch prince make, welding holder 600 amp, copper welding cable 600 amp, welding gas cutter, bucket for sugar elevator size length-300 width 185 mm, depth-130 mm., bucket for sugar elevator size length-355 width 175 mm, depth-160 mm., m.s. elbow size 15 mm, butterfly valve gear operated with ss disc size 10 inch, m.s. elbow size 1/4inch, m.s.connector size 3/8inch x 1/4inch, m.s.connector size 3/8inch x 1/2inch, m.s.connector size 1/2inch x 1/2inch, m.s.connector size 1/4inch x 1/4inch, ss clamp size 1.5inch, forged u-clamp size 3/4inch, ci gland cock valve size 1inch, copper wire 6 swg, gear coupling gc-109 having following dimensions coupling bosh od-250mm, flange od-490mm, no. of teeth-46, no of holes-12, hole size-20mm, hole pcd-383mm, teeth width-85mm coupling width-165mm, flange coller thickness-27mm (fanner make), gear coupling gc-110 having following dimensions coupling bosh od-310mm, flange od-490mm, no. of teeth-42, no of holes-12, hole size-20mm, hole pcd-380 mm, teeth width-95mm coupling width-180mm, flange coller thickness-27mm (fanner make), brass shim 15 thou (14inchx48inch), brass shim 20 thou (14inchx48inch), brass shim 35 thou (14inchx48inch), brass shim 40 thou (14inchx48inch), brass shim 50 thou (14inchx48inch), s.s. stud size 1inch x 5inch, s.s. brush size id-60.80 mm x od-70.80 mm x length-50 mm, allflex flexible gear coupling afg-101, allflex flexible gear coupling afg-102, m.s. socket size 1/4inch, m.s. socket size 3/8inch, wire braided flexible rubber hose pipe with both side nut size 0.5 inch x 1mtr, wire braided flexible rubber hose pipe with both side nut size .5 inch x 2mtr, wire braided flexible rubber hose pipe with both side nut size .5 inch x 3mtr, wire braided flexible rubber hose pipe with both side nut size 1/4 inch x 1 mtr, wire braided flexible rubber hose pipe with both side nut size 1/4 inch x 2 mtr, wire braided flexible rubber hose pipe with both side nut size 1 inch x 1mtr, wire braided flexible rubber hose pipe with both side nut size 1 inch x 2mtr, wire braided flexible rubber hose pipe with both side nut size 3/8 inch x 1mtr, wirebraided rubber hose pipe for hot water suitable for 110 degree c temp bore 20mm, emery tape carborandum make (fine) size 2 inch (100), grinding wheel size 4inch carborandum make, cutting wheel size 4inch carborandum make, grinding wheel size 180mm carborandum make, cutting wheel size 180mm carborandum make, brass brazing powder flux (250 gm pack)

Agency / Dept : uttar pradesh cooperative sugar factories federation ltd UPCSFFL
Tender Value : 500000
Due Date : Jul 18, 2026
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T18 Ref No : 16257263
new Tender
Location : muzaffarnagar , uttar pradesh
Source : GEM Tenders
new Tender

corrigendum tender for erection and fabrication work b 1 , erection and fabrication work b 2 , erection and fabrication work b 3 , erection and fabrication work b 4 , erection and fabrication work b 5 , erection and fabrication work b 6 , erection and fabrication work b 7 , erection and fabrication work b 8 , erection and fabrication work b 9 , erection and fabrication work b 10 , erection and fabrication work b 11 , erection and fabrication work b 12 , erection and fabrication work b 13 , erection and fabrication work b 14 , erection and fabrication work b 15 , erection and fabrication work b 16 , erection and fabrication work b 17 , erection and fabrication work b 18 , erection and fabrication work b 19 , erection and fabrication work b 20 , erection and fabrication work b 21 , erection and fabrication work b 22 , erection and fabrication work b 23 , erection and fabrication work b 24 , erection and fabrication work b 25 , erection and fabrication work b 26 , erection and fabrication work b 27 , erection and fabrication work b 28 , erection and fabrication work b 29 , erection and fabrication work b 30 , erection and fabrication work b 31 , erection and fabrication work b 32 , erection and fabrication work b 33 , erection and fabrication work b 34 , erection and fabrication work b 35 , erection and fabrication work b 36 , erection and fabrication work b 37 , erection and fabrication work b 38 , erection and fabrication work b 39 , erection and fabrication work b 40 , erection and fabrication work b 41 , erection and fabrication work b 42 , erection and fabrication work b 43 , erection and fabrication work b 44 , erection and fabrication work b 45 , erection and fabrication work b 46 , erection and fabrication work b 47 , erection and fabrication work b 48 , erection and fabrication work b 49 , erection and fabrication work b 50 , erection and fabrication work b 51 , erection and fabrication work b 52 , erection and fabrication work b 53 , erection and fabrication work b 54, erection and fabrication work b, cut out and remove the damaged plate; fabricate and installation a new 10 mm plate in its place, and provide support by installing angle channels beneath the bottom. dismantle and lower the clarifier coil; clean it, replace corroded flanges/pipes, refit the coil, and drill holes according to specifications. cut out and remove the corroded mud scraper plate from the clarifier; fabricate and installation a new plate, fit the scraper, and conduct a trial run. dismantle the weak mud scraper pipes in the clarifier, installation new pipes, and mount the mud scraper assembly. installation an 800/900 mm diameter rubber-seated angle valve in the steam/vapour lines of the quad, semi-kestner, and vapour cell units as directed, and conduct a leak-proof trial. to completely re-tube the quad body, cut and lower the calandria's bottom saucer; after fitting the tubes and conducting a hydraulic test on the calandria, weld the bottom saucer (internally and externally) to ensure it is leak-proof, and perform water and vacuum trials. dismantle corroded or weak vapour/exhaust steam lines associated with the semi-kestner, vapour cell, quad bodies, and pans; fabricate new lines using 8.0/10.0 mm thick m.s. plate based on original specifications, erect the new lines, perform leak-proof welding, and conduct successful water and steam trials. cut out and remove corroded/weak juice distributors or down-take pipes in the quad bodies and installation newly fabricated replacements. cut out and remove corroded/weak manholes from pans, doors, sulphur furnaces, quad bodies, cells, and bottom saucers, and installation newly fabricated manholes based on original specifications. dismantle and remove corroded/weak umbrellas from the semi-kestner, vapour cell, quad bodies, and pans; fabricate new umbrellas according to original specifications and erect them with necessary supports. for the vapour pipes of pans and quads, provide external reinforcement using m.s. -material of 900 to 1100 mm diameter... fabricate and installation t-rings made of plate or angle iron; cut out and remove corroded or weak ammonia gas headers from the quad bodies; fabricate and erect new headers; installation nipples, valves, flanges, etc., and conduct a leak-proof trial; remove weak shells from the semi-kestner, vapour cell, and quad bodies; fabricate new ones to specifications, erect them in place, and conduct a leak-proof trial; dismantle the weak vapour pipe located between the evaporator quad bodies; fabricate and installation a new vapour pipe (600, 700, or 800 mm diameter) using new or existing plate; perform leak-proof welding and conduct a water trial; cut out and remove leaky or weak external catchers from the evaporator and pan vapour pipes; fabricate new catchers (including internals) based on samples, fit them in place, perform leak-proof welding, and conduct successful water-filling/vacuum trials; remove the top plate of the external catcher on the evaporator and pan vapour pipes to carry out necessary repairs on weak internals, cones, or shells; reinstall the top plate, perform leak-proof welding, and conduct successful water-filling/vacuum trials; cut out and remove the corroded or weak agitator of the 10" x 20" vacuum filter; fabricate a new one based on the old design, fit it in place, and conduct a successful trial; cut out and remove the corroded or weak agitator of the 8" x 16" vacuum filter; fabricate a new one based on the old design, fit it in place, and conduct a successful trial; cut out and remove the corroded or weak mud tray of the vacuum filter; fabricate a new mud tray using new or existing plate and fit it in place; replace the corroded or weak side plate of the vacuum filter and conduct a satisfactory water trial; cut out and remove the corroded or weak agitator section of the 10" x 20" vacuum filter and carry out necessary repairs based on the old design; cut out and remove the weak tapered cone of the 40-ton capacity pan. fabricate and installation a replacement using a new 12/16 mm plate, following the sample; restore all connections to their original state, ensure leak-proof welding, and conduct successful water-filling and vacuum trials. cut out and remove corroded or weak agitator sections of the 8-inch x 16-inch vacuum filter and carry out necessary repairs as per the original specifications. dismantle the bagasse silo cyclone at the vacuum filter station, replace corroded sections, perform necessary repairs, reinstall it in its original position, and restore all connections. cut out and remove the corroded or weak shell of the mud mixer; fabricate a new shell (using new or existing plate material), installation it in place, and conduct a successful trial. cut out and remove corroded or weak mud discharge chutes located at the discharge end of the mud conveyor belts; fabricate and installation replacements using existing plate material and conduct a trial. dismantle and remove corroded or weak condenser bottles from the vacuum filters; fabricate and installation new ones based on the sample and conduct a successful vacuum trial. in the boiling house, remove the foundation bolts/beds of corroded or weak pumps and construct new channel-based beds; installation new foundation bolts into the pits prepared by the civil team to create these new channel beds; mount the pump and motor, complete the necessary connections and alignment, and conduct a satisfactory trial. installation supports made from old m.s. pipes for the so2 gas lines.

Agency / Dept : uttar pradesh cooperative sugar factories federation ltd UPCSFFL
Tender Value : 1738793
Due Date : Jul 17, 2026
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T18 Ref No : 16257264
new Tender
Location : muzaffarnagar , uttar pradesh
Source : GEM Tenders
new Tender

corrigendum tender for erection and fabrication work c 50 , erection and fabrication work c 51 , erection and fabrication work c 52 , erection and fabrication work c 53 , erection and fabrication work c 54 , erection and fabrication work c 55 , erection and fabrication work c 56 , erection and fabrication work c 57 , erection and fabrication work c 58 , erection and fabrication work c 59 , erection and fabrication work c 60 , erection and fabrication work c 61 , erection and fabrication work c 62 , erection and fabrication work c 63 , erection and fabrication work c 64 , erection and fabrication work c 65 , erection and fabrication work c 66 , erection and fabrication work c 67 , erection and fabrication work c 68 , erection and fabrication work c 69 , erection and fabrication work c 70 , erection and fabrication work c 71 , erection and fabrication work c 72 , erection and fabrication work c 73 , erection and fabrication work c 74 , erection and fabrication work c 75 , erection and fabrication work c 76 , erection and fabrication work c 77 , erection and fabrication work c 78 , erection and fabrication work c 79 , erection and fabrication work c 80 , erection and fabrication work c 81 , erection and fabrication work c 82 , erection and fabrication work c 83 , erection and fabrication work c 84 , erection and fabrication work c 85 , erection and fabrication work c 86 , erection and fabrication work c 87 , erection and fabrication work c 88 , erection and fabrication work c 89 , erection and fabrication work c 90 , erection and fabrication work c 91 , erection and fabrication work c 92 , erection and fabrication work c 93 , erection and fabrication work c 94 , erection and fabrication work c 95 , erection and fabrication work c 96 , erection and fabrication work c 97 , erection and fabrication work c 98 , erection and fabrication work c 99 , erection and fabrication work c 100 , erection and fabrication work c 101 , erection and fabrication work c 102 , erection and fabrication work c 103 , erection and fabrication work c 104 , erection and fabrication work c 105, erection and fabrication work c, dismantling of flanges on m.s. pipes with a diameter exceeding 12 inches; fabrication and erection of flanges on m.s. pipes with a diameter exceeding 12 inches; dismantling of old platforms; fabrication and erection of old platforms; dismantling of heavy structures; fabrication and erection of heavy structures; fabrication, erection, and alignment of beds for motor pumps/reduction gear motors (3 hp to 30 hp); fabrication, erection, and alignment of beds for motor pumps/reduction gear motors (above 30 hp); dismantling (cutting and removing) the corroded roof/side of the juice clarifier, fabricating a new roof using new/existing plates as per instructions, and conducting a leak-proof water-filling trial; fabrication (cutting and removing) the corroded roof/side of the juice clarifier, fabricating a new roof using new/existing plates as per instructions, and conducting a leak-proof water-filling trial; erection (cutting and removing) the corroded roof/side of the juice clarifier, fabricating a new roof using new/existing plates as per instructions, and conducting a leak-proof water-filling trial; cutting and removing the corroded/weak scroll/conveyor of the mud mixer, fabricating a new one based on the sample, erecting it, and conducting a trial; cutting and removing the corroded/weak down-take of the pans, fabricating and installing a new one using 8/10 mm plates, and performing leak-proof welding; cutting and removing the corroded/weak juice distributor of the pans, fabricating and installing a new one using 6/8 mm plates based on the sample, and performing satisfactory welding; cutting and removing existing internal supports of the pan to replace the weak shell, and re-installing and welding new/existing supports after installing the new shell; replacing corroded foundation channels of n.k. 1100/1300 c/f machines with 250 mm channels and leveling the vapor line; cutting and removing corroded/weak oil guards of crystallizers. fabricate and installation using a new or existing plate. for c-type centrifugal machines, cut away and remove the corroded or weak side cover; fabricate a replacement according to specifications, fit it in the original position, and perform complete welding. fabricate and installation a replacement n.r.v. sheet (using new plate material) for the vertical injection pump, adjust the rod setting, and conduct a leak-proof trial. modify hopper no. 04 to fabricate and installation a chute. remove the corroded or weak ms angle grids from the injection channel; fabricate a new grid using new ms channels and rods, fit it into the channel, and weld it in place. cut away and remove the weak tapered section of the quad body; fabricate a replacement using 12/16 mm thick ms plate, weld it completely, and conduct a satisfactory leak-proof trial. remove the corroded or weak ms grid at the steam inlet of the quad/vapor cell/pan calandria; fabricate and installation a new grid using 6/8 mm thick plate and weld it completely. cut away and remove the corroded or weak down-take pipe of the quad body/vapor cell; fabricate and installation a new pipe using 8/10 mm thick plate, restore all connections (including the cone and distributor), weld them, and conduct a leak-proof trial. fabricate and installation a ring made from 12 mm plate for the pan's weak safety valve and reinforce the top section by welding on a plate. three molasses tanks, each with a capacity of 45,000 quintals, are installed at this mill society; dismantle the 2½-inch cooling coils from all three tanks, lower them for cleaning, cut away any corroded piping, and fabricate and installation new coils. upon completion, fit the coils onto the tank, construct a mounting base for the pump and motor (for cooling purposes), installation the assembly into the tubewell pipeline, and conduct a satisfactory trial run. cut and remove the damaged rail sections installed on the cane unloader; using one's own resources, installation the replacement rails provided by the mill committee, weld them in place, and successfully conduct a trial run. certain shell sections of the 30-tonne and 20-tonne chimneys installed at the mill committee site have corroded; cut and remove these damaged sections using one's own resources, fabricate new shell sections using 10–12 mm thick plates, erect them using one's own resources, and successfully conduct a trial run.

Agency / Dept : uttar pradesh cooperative sugar factories federation ltd UPCSFFL
Tender Value : 1948803
Due Date : Jul 17, 2026
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T18 Ref No : 16258631
new Tender
Location : mangalore , karnataka
Source : GEM Tenders
new Tender

tender for valve gate socket welded 0.5 inch as per specification , valve gate socket welded 0.75 inch as per specification , valve gate flanged rf 2 inch inch as per specification , valve gate flanged rf 3 inch as per specification , valve gate flanged rf 6 inch as per specification , valve gate flanged rf 8 inch as per specification , valve globe flanged rf 2 inch as per specification , valve globe flanged rf 3 inch as per specification , valve globe flanged rf 6 inch as per specification , valve check flanged rf 6 inch as per specification , valve check flanged rf 8 inch as per specification , valve gate socket welded 0.75 as per specification , valve gate flanged rf 2 inch as per specification , valve check flanged rf 2 inch as per specification, supply of gate globe and check valves of various sizes, valve gate socket welded 0.5 inch as per specification, valve gate socket welded 0.75 inch as per specification, valve gate flanged rf 2 inch inch as per specification, valve gate flanged rf 3 inch as per specification, valve gate flanged rf 6 inch as per specification, valve gate flanged rf 8 inch as per specification, valve globe flanged rf 2 inch as per specification, valve globe flanged rf 3 inch as per specification, valve globe flanged rf 6 inch as per specification, valve check flanged rf 6 inch as per specification, valve check flanged rf 8 inch as per specification, valve gate socket welded 0.75 as per specification, valve gate flanged rf 2 inch as per specification, valve check flanged rf 2 inch as per specification

Agency / Dept : mangalore refinery and petrochemicals limited MRPL
Tender Value : 0
Due Date : Jul 30, 2026
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T18 Ref No : 15665591
live Tender
Location : gorakhpur , uttar pradesh
live Tender

tender for flange welded joint etc., flange welded joint (stainless steel)(pipe to pipe) for 25mm n.b. pipe to rdso drg. no. sk-85187 alt. 4, item 1, 2 & 4 confirming to rdso specification no.04-abr-2019 (rev.2). - warranty period: 30 months after the date of delivery -quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs

Agency / Dept : north eastern railway NER
Tender Value : 0
Due Date : Jul 29, 2026
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T18 Ref No : 15906072
live Tender
Location : dibrugarh , assam
live Tender

tender for flange welded joint, flange welded joint 20 mm bore (pipe to equipment). drawing: rdso drg. no. wd-830 62-s-07, alt-6 with latest alteration. spec: as per drawing and rdso spec. no. 04-abr-2019 (rev. 02 of dec-2019) with latest revision and amendments. - warranty period: 30 months after the date of d elivery

Agency / Dept : northeast frontier railway NFR
Tender Value : 0
Due Date : Sep 03, 2026
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T18 Ref No : 16190292
live Tender
Location : silvassa , dadra and nagar haveli
Source : GEM Tenders
live Tender

tender for flg,so,a105,class150,100mm rf , flg,so,a105,class150,50mm rf , flg,so,a105,class150,80mm rf , flg,so,a105,class300,150mm rf , flg,so,a105,class150,25mm rf , flg,so,a105,class150,200mm rf , gskt,flat,class150,caf,25mm rf,3mm , gskt,flat,class150,caf,200mm rf,3mm , gskt,flat,class150,caf,150mm rf,3mm , gskt,flat,class150,caf,100mm rf,3mm , gskt,flat,class150,caf,80mm rf,3mm , gskt,flat,class150,caf,50mm rf,3mm , pipe,cs,a106 gr b,smls,100mm be,80 , pipe,cs,a106 gr b,smls,150mm be,80 , pipe,cs,a106 gr b,smls,25mm pe,80 , pipe,cs,a106 gr b,smls,80mm be,80 , pipe,cs,a106 gr b,smls,50mm pe,80 , pipe,ms,is1239,erw,25mm be,hvy , pipe,ms,is1239,erw,50mm be,hvy , pipe,ms,is1239,erw,80mm be,hvy , pipe,ms,is1239,erw,100mm be,hvy , pipe,ms,is1239,erw,150mm be,hvy , elb,bw,wpl6,kcs,45deg,25mm lr,80,smls , elb,bw,wpl6,kcs,45deg,50mm lr,sch80,smls , elb,bw,wpl6,kcs,45deg,80mm lr,40,smls , elb,bw,wpl6,cs,135deg,100mm lr,sch40,sml , elb,bw,wpl6,45deg,150mm sch40 , elb,bw,wpl6,45deg,200mm sch40 , flg,bld,a105,class150,25mm rf , flg,bld,a105,class150,50mm rf , flg,bld,a105,class150,80mm rf , flg,bld,a105,class150,100mm rf , flg,bld,a105,class150,150mm rf , flg,bld,a105,class150,200mm rf , supply of fastener , tee,eq,bw,cs,smls,100mm std , tee,red,bw,wpl6,smls,150x100mm, supply of pipe fittings of various sizes, flange,slip on,ibr material spec astm a105 material carbon steel pressure designation class 150 facing raised face size 100 mm design spec ansi b16.5 schedule 40, flange,slip on astm a105 carbon steel class 150 raised face finish 250 aarh size 50 mm ansi b16.5, flange,slip on astm a105 carbon steel class 150 raised face finish 125 aarh size 80 mm ansi b16.5, provision of 16 inch nozzle on tank shell including neck, flange, welding and testing of rf pad, flange,slip on astm a105 carbon steel class 150 size 25 mm asme b16.5, flange,slip on astm a105 carbon steel class 150 size 200 mm ansi b16.5, gasket flat ring caf 25 mm class150 3mm ansi b16.21 b16.5, gasket flat ring caf 200 mm class150 3mm ansi b16.21 b16.5, gasket flat ring caf 150 mm class150 3mm ansi b16.21 b16.5, gasket flat ring caf 100 mm class150 3mm ansi b16.21 b16.5, gasket flat ring caf 80 mm class150 3mm ansi b16.21 b16.5, gasket flat ring caf 50 mm class150 3mm ansi b16.21 b16.5, pipe astm a106 gr b seamless 100mm be sch80, pipe astm a106 gr b seamless 150mm be sch80, pipe astm a106 gr b seamless 25mm pe sch80, pipe astm a106 gr b seamless 80mm be sch80, pipe astm a106 gr b seamless 50mm pe sch80, pipe ms is1239 erw 25mm heavy, pipe ms is1239 erw 50mm heavy, pipe ms is1239 erw 80mm heavy, pipe ms is1239 erw 100mm heavy, pipe ms is1239 erw 150mm heavy, elbow bw astm a420 wpl6 45 deg lr 25mm sch80 seamless, elbow bw astm a420 wpl6 45 deg lr 50mm sch80 seamless, elbow bw astm a420 wpl6 45 deg lr 80mm sch40 seamless, elbow bw astm a420 wpl6 135 deg lr 100mm sch40 seamless, elbow bw astm a420 wpl6 45 deg 150mm sch40, elbow bw astm a420 wpl6 45 deg 200mm sch40, flange blind astm a105 class150 25mm rf, flange blind astm a105 class150 50mm rf, flange blind astm a105 class150 80mm rf, flange blind astm a105 class150 100mm rf, flange blind astm a105 class150 150mm rf, flange blind astm a105 class150 200mm rf, supply of nuts bolts studs washers as per asme b18.2 a193 b7 a194 2h, tee equal bw astm a234 wpb 100mm std, tee reducing bw astm a420 wpl6 150x100mm

Agency / Dept : hindustan petroleum corporation limited HPCL
Tender Value : 0
Due Date : Jul 20, 2026
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T18 Ref No : 16191580
live Tender
Location : bangalore , karnataka
Source : GEM Tenders
live Tender

tender for std. dn160 cf blank flange , std. dn160 ofhc copper gasket , std. dn63 cf blank flange , std. dn63 cf ofhc copper gasket , aluminum-edged seal, dn 50 iso- kf , aluminum-edged seal, dn 40 iso- kf , aluminum edged seal, dn25 iso-kf , aluminum edged seal,dn16 iso- kf , std.dn50 iso-kf clamping ring with wing nut , std. dn40 iso-kf clamping ring with wing nut, compatible for metal seal , std. dn25 iso-kf clamping ring with wing nut, compatible for metal seal , std. dn16 iso-kf clamping ring with wing nut, compatible for metal seal , elbow reducer dn63 cf to dn50 iso-kf , elbow reducer dn63 cf to dn40 iso-kf , elbow reducer dn63 cf to dn25 iso-kf , std conical reducerdn63 cftodn50 iso-kf , std. dn63 iso-k flexible corrugated hose , std. dn40 cf rotatable flange with weld neck , std. 25 iso-kf centering ring with o ring , dn 50 iso-kf centering ring with o ring , std.dn63 iso- ktodn25 iso-kf straight reducer , std. dn63 iso-k to dn 40 iso-kf straight reducer, vacuum accessories, vacuum accessories

Agency / Dept : indian space research organisation ISRO
Tender Value : 453315
Due Date : Jul 30, 2026
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T18 Ref No : 16155300
live Tender
Location : kota , rajasthan
Source : GEM Tenders
live Tender

tender for supply of pipe cs api 5l 4 inch , pipe ag api 4 inch to 8 inch , pipe ug api 4inch to8 , weld fittings 150 a class as per asme b 6.5 , stub pipe 4inch to 8inch , valve 150a class as per asme b 6.5 spr 4 to 8 inch , sorf flange weld 4 to8 , fl jt 150 a class as per asme b 6.5 spr 4 to 8inch , pl blasting sa2.5 , pl wrapping coating , pl jumper 25x3 cu , pl radiography pl 6inch , supply and fixing nrv 150 a class as per asme b 6.5 up to 6inch , supply and fixing plug vlv up to 6inch , supply and fixing bend 150 a class as per asme b 6.5 4 to 8inch , supply and fixing gi sorf flange 4 to 8inch , supply and fixing reducer150 a class as per asme b 6.5 4to8inch , excv up to 4.5 ord dis out , supply and fixing manufacture sand , pcc plin 1 is 2 is 4 cs , rmc m30 cs-ms , steel reinforcement , brk msn pl cs cl75 , plaster 18mm thick 1 is 5 , wet mix macadam , rcc dismantling, development of prover unloading points at tlfg, refer scope of work along with terms and conditions

Agency / Dept : bharat petroleum corporation limited BPCL
Tender Value : 0
Due Date : Jul 18, 2026
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Every year, central and state government departments release thousands of high-value contracts specifically dedicated to Flange Welding. Whether it involves bulk material supply, executing specialized operational services, or end-to-end turnkey project execution, the demand for capable vendors in the Flange Welding sector is massive.

At Tender18, we help businesses cut through the noise and exclusively target the exact work categories they specialize in. Instead of browsing through generic procurement sites, our platform isolates high-potential opportunities that match your specific industry capabilities.

Work Dynamics in the Flange Welding Sector

Government requirements for this specific vertical generally fall into distinct procurement patterns:

  • Product & Material Supply: Tenders focused strictly on sourcing, testing, and delivering high-quality items that meet the exact technical specifications of the buyer.
  • Service Level Agreements (SLAs): Long-term hiring of expert agencies for routine maintenance, manpower deployment, or continuous operational management.
  • Execution & Turnkey Projects: Comprehensive contracts where the bidder is responsible for everything from raw material procurement to final site installation and testing.

By focusing purely on your core strength in Flange Welding, you can build a highly profitable and stable pipeline of government clients.

Stop wasting time filtering through irrelevant notices. Our Flange Welding Tender Information Service is engineered for precision. We track exact product codes, service names, and specialized work terms across all government portals nationwide. When a buyer publishes a requirement that matches your specific business profile, our system alerts you instantly.

Deep Technical Insights & Documentation For Flange Welding Tenders

Bidding for specific works requires studying strict technical parameters. We provide immediate access to the core documents you need to evaluate the project:

  • Detailed Specifications & Drawings: Download the exact engineering guidelines, material testing standards, and quality benchmarks demanded by the buyer for Flange Welding.
  • Financial BOQ Spreadsheets: Access the official blank pricing formats where you need to input your unit rates, tax configurations, and total bid value.
  • Real-Time Technical Amendments: If the buying department changes the product specifications, alters the service scope, or shifts the delivery timeline, we instantly update the parent file so you are never caught off-guard.

Winning a contract for Flange Welding depends entirely on how perfectly your technical capabilities match the buyer’s demands. Even if you have the best product or service, a poorly formatted document or a missing compliance certificate will lead to instant technical rejection. Tender18’s Tender Bidding Service eliminates this risk by taking complete ownership of your digital submission.

Flawless Compliance & Portal Execution For Flange Welding Tenders

Under this service, Tender18 assigns a Dedicated Experienced Technical Person to your profile. This expert handles the heavy lifting of the entire bidding cycle:

  • Capability Mapping: We thoroughly cross-check your past completion certificates, ISO standard proofs, and financial turnover against the strict eligibility criteria required for Flange Welding bids.
  • Secure System Integration: Our technical desk seamlessly links your Class III Digital Signature Certificate (DSC) with the required e-procurement servers to securely encrypt your technical and financial envelopes.
  • Error-Free Financial Uploads: We audit your quoted BOQ pricing sheets for any formula or formatting errors before the final upload, ensuring your bid is successfully locked before the portal's closing hours.

Government buyers are aggressively using the Government e-Marketplace (GeM) for the direct procurement of Flange Welding. If your business profile is not accurately mapped on this portal, you remain practically invisible to these purchasing officers. Recognized as a trusted and expert GeM consultant, Tender18 offers specialized support to build, optimize, and maintain a highly visible vendor account for your business.

With an industry-leading support success ratio of over 95%, we handle the complex marketplace compliance so you can focus entirely on executing your orders

Expert Profile Management & Catalogue

Our dedicated consultants ensure your GeM presence is structurally perfect:

  • Precise Catalogue Listing: We upload and categorize your specific offerings under the exact search terms and parameters used by government buyers looking for Flange Welding, ensuring maximum search visibility.
  • OEM Dashboard & Assessment: For original manufacturers and creators, we guide you through the mandatory Quality Council of India (QCI) vendor assessments to successfully unlock your official OEM panel.
  • Profile Compliance & Caution Money: We manage your statutory documentation, brand approvals, and caution money limits to keep your account immune from technical suspensions.

Strategic Live Bid Participation

Beyond setup, we actively drive your market participation. Our team expertly handles the digital paperwork and rate configurations for GeM Custom Bids and Reverse Auctions (RA) related to Flange Welding, maximizing your chances of securing L1 status.

1.

How do I find government contracts exclusively matching my work in Flange Welding?

The easiest way is through the Tender18 platform. Instead of searching department by department, our system uses advanced keyword matching to gather all live supply, service, and execution tenders related directly to your core business in one place.

2.

Do I need specific testing or quality certificates to apply for these contracts?

It heavily depends on the nature of the work. For supply contracts, buyers often ask for ISO certifications, BIS marks, or specific lab testing reports. For service contracts, they may ask for labor licenses or past performance certificates (work orders).

3.

What is a BOQ and why is it important for my bid?

The Bill of Quantities (BOQ) is the official financial Excel sheet where you enter your competitive prices. Any mistake in this file—like adding extra rows, changing formulas, or saving it in the wrong format—will cause the portal server to reject your entire bid.

4.

Are samples required to be submitted physically before the digital bid opens?

For many product-based Flange Welding tenders, buying departments do ask bidders to submit physical samples to their office before the digital technical evaluation date. This requirement is always clearly mentioned in the official NIT document.

5.

How does the Dedicated Tender Expert from Tender18 help me?

Our assigned expert manages your total portal compliance. They extract the hidden rules from long tender PDFs, create a precise document checklist for your team, map your digital signature, and securely upload your technical and financial files onto the government servers.

6.

What is the role of a Digital Signature Certificate (DSC)?

A Class III DSC is a secure USB device that contains your digital identity. You cannot upload a bid without it. It is used to securely encrypt and lock your sensitive price data and technical documents so no one can view them before the official opening date.

7.

As an MSME, can I get financial benefits when bidding for Flange Welding?

Yes, the government strongly supports MSMEs. By uploading a valid Udyam Registration Certificate in the technical envelope, small businesses are frequently exempted from paying the initial Tender Document Fee and the Earnest Money Deposit (EMD).

8.

Why should I list my services or products on GeM for this category?

GeM is now the primary digital marketplace for all government agencies. If you are properly cataloged for Flange Welding, officers can view your profile and generate direct purchase orders or invite you to participate in exclusive Custom Bids.

9.

What makes Tender18 a reliable GeM support partner?

As a highly trusted and expert GeM consultant, Tender18 holds a proven support success ratio of over 95%. From flawless profile creation and complex catalogue mapping to OEM panel approvals and live Reverse Auction (RA) support, we handle it all seamlessly.

10.

What does "L1" mean in these government contracts?

"L1" stands for "Lowest Bidder 1". In government procurement, after all technical envelopes are approved, the financial sheets (BOQs) are opened. The bidder who has quoted the lowest compliant price for Flange Welding is declared L1 and is generally awarded the contract

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