ISO 9001:2015 Certified Flange Manufacturer

'SHAPING INDUSTRIES WITH THE FINEST STEEL'

ISO 9001:2015 Certified  ·  30+ Years Manufacturing

Global Manufacturer of
Stainless Steel & Alloy Flanges

ASME B16.5 / B16.47 flanges in SS 304/316, Duplex, Inconel, Monel, Hastelloy & 20+ alloys. Ready stock available. Competitive pricing. Dispatched to 65+ countries worldwide.

No Minimum Order Quote Within 24 Hours Custom Sizes Available
30+
Years of Experience
65+
Export Countries
20+
Alloy Grades
ISO
9001:2015 Certified
24h
Quote Response
0
Min. Order Qty

India's Trusted Flange Manufacturer & Global Exporter


Tesco Steel & Engineering is a member of the TESCO Group of India — a leading manufacturer and exporter of industrial flanges with over three decades of proven experience. We supply procurement managers, EPC contractors, and project engineers across oil & gas, petrochemical, power generation, and process industries worldwide with precision-forged, fully certified flanges in every standard grade and exotic alloy.

From standard ASME B16.5 Class 150 to 2500 raised-face weld neck flanges in SS 304/316 to large-bore ASME B16.47 Series A/B flanges in Duplex 2205, Inconel 625, and Hastelloy C276 — we manufacture, stock, test, and dispatch with the speed and reliability that global projects demand. Our in-house quality control, traceable mill certificates, and optional third-party inspection give your team the documentation confidence every critical project requires.

ASME B16.5 ASME B16.47 ASME B16.48 ASTM A182 ISO 9001:2015 EN 10204 3.1 MTC PMI Tested TPI Available

Flange Types We Manufacture

All types available in NPS ½″–60″  ·  Class 150–2500  ·  ASME B16.5, B16.47, B16.48  ·  RF, FF, RTJ & ring groove face finishes

Industries We Serve

Trusted by engineering procurement teams across the most demanding industrial sectors worldwide

Oil & Gas
Petrochemical
Power Generation
Chemical & Pharma
Shipbuilding & Marine
Desalination
Fertilizer
Pulp & Paper
LNG & Cryogenic
Nuclear
Water Treatment
Subsea & Offshore

Why Procurement Teams Choose Tesco Steel

Speed, quality, and competitive pricing — all three, on every order.

Strict Quality Control

Every flange undergoes dimensional inspection, hardness testing, and PMI verification. EN 10204 3.1 mill certificates provided as standard. Third-party inspection by Bureau Veritas, SGS, Intertek, or Lloyd's Register available on request.

Competitive Pricing

Manufacturing in India is significantly cost efficient — with zero compromise on ASME/ASTM standards compliance or documentation quality.

Ready Stock & Fast Dispatch

Common grades — SS 304/316, A105, F11/F22 — are stocked and ship within 3–7 business days. Exotic alloy orders in 2–4 weeks. Immediate dispatch for urgent site requirements. All export documentation and freight handled in-house.

Custom Sizes & Grades

Non-standard bore sizes, custom face dimensions, special drilling patterns, bimetal configurations, and dual-certified materials. No drawing too complex — we quote all custom flanges within 24 hours. No minimum order quantity.

Global Export Expertise

65+ countries served. Experienced in ISPM-15 wood packing, seaworthy crating, certificates of origin, Form A, and all trade documentation required for GCC, EU, USA, and APAC import compliance.

Technical Sales Support

Our team includes metallurgists and piping engineers who recommend the correct material grade, pressure class, and face type for your service conditions — before you commit to an order. No guesswork, no costly re-orders.

Materials & Alloy Grades Available

From commodity carbon steel to ultra-corrosion-resistant superalloys — every grade forged, tested, and certified with full traceability

Stainless Steel

304, 304L, 316, 316L, 304H, 316H, 310, 310S, 317L, 321, 347, 904L

ASTM A182 F304/F316/F321  ·  ASME B16.5

Duplex & Super Duplex Steel

2205 (UNS S31803/S32205), 2507 (UNS S32750), Zeron 100 (S32760)

ASTM A182 F51 / F53 / F55  ·  PREN >40 / 42

Carbon Steel & LTCS

A105, A350 LF2 Cl.1/Cl.2, A694 F52/F65, A694 F60

ASTM A105 / A350  ·  Charpy impact tested to −46°C

Alloy Steel

F5, F9, F11 Cl.2, F22 Cl.3, F91 (9Cr-1Mo-V), F92

ASTM A182  ·  High-temperature service to 600°C+

Inconel (Ni-Cr Alloys)

600, 625 (N06625), 690 (N06690), 718 (N07718), Incoloy 825

ASTM B564  ·  Corrosion & oxidation resistance to 1000°C

Hastelloy

C276 (N10276), C22 (N06022), B2 (N10665), C4

ASTM B564  ·  Outstanding wet corrosion & chloride SCC resistance

Monel

Monel 400 (N04400), Monel K500 (N05500)

ASTM B564  ·  Seawater, brine & HF acid resistant

Titanium

Grade 2 (commercially pure), Grade 5 (Ti-6Al-4V), Grade 7

ASTM B381  ·  Highest strength-to-weight ratio; seawater immune

Cupro-Nickel & Alloy 20

70/30 & 90/10 Cu-Ni  ·  Alloy 20 (N08020 / Carpenter 20 / 20Cb-3)

ASTM B151 / B462  ·  Marine & H₂SO₄ / phosphoric acid service

Request a Quote for Your Material & Grade

Don't see your grade? We source and supply rare alloys on request.

Trusted by Industrial Buyers Worldwide

Repeat orders from EPC contractors, plant operators, and procurement teams across 65+ countries

★★★★★

"We've been sourcing Inconel 625 weld neck flanges from Tesco Steel across three consecutive offshore projects. Their material traceability, MTC quality, and dispatch speed are consistently better than any other Indian supplier we've evaluated."

🇬🇧 Senior Procurement Manager

EPC Contractor — North Sea Projects, UK

★★★★★

"Competitive pricing, fast quotes, and zero rejections across 14 shipments. We use Tesco Steel for all stainless and duplex flange requirements on our petrochemical projects across the GCC region. Highly reliable partner."

🇦🇪 Materials & Procurement Lead

Petrochemical Engineering Firm — UAE

★★★★★

"Tesco Steel handled a complex urgent order for 400+ custom-bored Super Duplex 2507 spectacle blinds with TPI by Bureau Veritas. Delivered on schedule — certificates were complete and correct first time. Will use again without hesitation."

🇸🇬 Project Piping Engineer

LNG Terminal Construction — Singapore

85%+ repeat client rate  ·  Bulk order specialists  ·  Ready stock for urgent requirements  ·  International export packing standards

Ready to Source Your Flanges?

Send your requirement today — specifications, drawing, or simply a list of sizes & quantities.
Our team responds with a competitive quote within 24 hours.

Send Inquiry Now WhatsApp Us
No Minimum Order Quantity Quote Within 24 Hours Custom Sizes Available Ready Stock for Common Grades Best Price Assurance

Frequently Asked Questions

Common questions from procurement managers, EPC project engineers, and industrial buyers

What types of flanges does Tesco Steel & Engineering manufacture?
Tesco Steel & Engineering manufactures all standard ASME flange types: Weld Neck (WNRF / WNFF / RJWN), Slip-On (SORF / SOFF), Blind, Socket Weld, Threaded, Long Weld Neck, Lapped Joint, Spectacle Blind (Figure-8), Paddle Blind, Plate Flanges, and Flat Flanges. All types are available per ASME B16.5 (NPS ½″–24″), ASME B16.47 Series A & B (NPS 26″–60″), and ASME B16.48.
What materials are Tesco Steel flanges available in?
We supply flanges in Stainless Steel (304, 304L, 316, 316L, 321, 347, 904L), Duplex & Super Duplex (2205, 2507), Alloy Steel (F5, F9, F11, F22, F91), Carbon Steel (A105, A350 LF2), LTCS, Monel (400, K500), Inconel (600, 625, 690, 718), Incoloy 825, Hastelloy (C276, C22), Titanium (Grade 2, Grade 5), Cupro-Nickel (70/30, 90/10), Alloy 20 (N08020 / Carpenter 20), and Bimetal flanges.
Which standards do Tesco Steel flanges comply with?
Our flanges comply with ASME B16.5, B16.47 Series A/B, B16.48, MSS SP-44, and material standards including ASTM A182, A105, A350, B462, B564, B381, and equivalent EN/DIN standards. We provide EN 10204 3.1 Mill Test Certificates, heat/lot traceability, PMI reports, dimensional inspection reports, and third-party inspection certificates.
How quickly can Tesco Steel dispatch a flange order?
Standard grades (SS 304/316, A105, F11/F22) in common sizes are stocked and ship within 3–7 business days. Exotic alloy orders (Inconel, Hastelloy, Super Duplex) typically dispatch in 2–4 weeks depending on size and quantity. We provide quotes within 24 hours of receiving your inquiry or RFQ.
To which countries does Tesco Steel & Engineering export flanges?
We export to 65+ countries including the USA, UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman, UK, Germany, Netherlands, Italy, Australia, Singapore, South Korea, Japan, Malaysia, Indonesia, South Africa, Brazil, and Canada. We manage all export documentation, ISPM-15 packing, certificates of origin, and freight forwarding.
Can Tesco Steel manufacture custom or non-standard flanges?
Yes. We regularly manufacture custom-bored flanges, non-standard face dimensions, special drilling patterns, bimetal configurations, and dual-certified material grades. Send your drawing or specification and we will provide a quote within 24 hours. There is no minimum order quantity for custom items.
What certifications and quality documents does Tesco Steel provide?
Tesco Steel & Engineering is ISO 9001:2015 certified. Standard quality documents include EN 10204 3.1 Mill Test Certificates, dimensional inspection reports, hardness test reports, and PMI (Positive Material Identification) reports. Third-party inspection by Bureau Veritas, SGS, Intertek, or Lloyd's Register is available on request.
What face types and pressure classes are available?
Available face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Large Male/Female (LM/LF), Tongue & Groove (T&G), and Ring Groove (RG). Pressure classes: ASME Class 150, 300, 400, 600, 900, 1500, and 2500. All face finishes per ASME B16.5 requirements (125–250 μin Ra for RF) or per customer specification.