Supplier of Duplex & Super Duplex Steel ASTM A182 Forged Fitting
At Vardhman Steel Overseas, we are a leading manufacturer and exporter of Duplex and Super Duplex Forged Pipe Fittings in India, offering a wide selection of elbows, tees, unions, nipples, couplings, bushings, and plugs designed to perform exceptionally in harsh environments. These forged fittings are manufactured using top-grade duplex and super duplex stainless steels including ASTM A182 F51, F52, F53, F54, F55, F57, F59, F60, F61 and UNS designations such as S31803, S32205, S32550, S32750, and S32760. These duplex forged fittings are renowned for their excellent corrosion resistance, pitting resistance, high tensile strength, and chloride stress corrosion cracking resistance, making them ideal for aggressive environments such as offshore oil & gas, chemical processing, desalination plants, and marine engineering. Conforming to standards like ASME B16.11, MSS SP-79, MSS SP-83, and ASTM A182, our duplex and super duplex forged fittings are available in Socket Weld and Threaded (NPT/BSP) ends, and pressure ratings of Class 2000, 3000, 6000, and 9000. Each fitting undergoes stringent quality assurance tests including hydro testing, PMI testing, hardness testing, and intergranular corrosion testing, ensuring reliable performance in extreme service conditions. At Vardhman Steel Overseas, we are committed to delivering premium-grade Duplex & Super Duplex Forged Fittings backed by prompt delivery, third-party inspections, and comprehensive documentation.
Duplex / Super Duplex Forged Fitting Specification
| Specification | Details / Grades | Available Types |
|---|---|---|
| Standard | ASTM A182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 UNS S31803, S32205, S32550, S32750, S32760 |
|
| Dimensions | ASME B16.11, MSS SP-79, SP-83, SP-95, BS 3799 | |
| Size Range | 1/8" to 4" (DN6 to DN100) | |
| Pressure Class | Class 2000, 3000, 6000, 9000 LBS | |
| Connection Types | Threaded (NPT/BSPT), Socket Weld | |
| End Connections | Bevel End, Plain End, Threaded End | |
| Manufacturing Process | Forged, Machined, Solution Annealed, Pickled & Passivated | |
| Test Certificates | EN 10204 3.1 / 3.2, NACE MR0103/MR0175, IBR, PMI | |
| Inspection | Third-Party Approved (TPI), IBR, EIL, BV, DNV | |
| Specialized In | Fittings for Offshore, Marine, Desalination, Chemical, Oil & Gas | |
| Grades | F51, F52, F53, F54, F55, F57, F59, F60, F61 / UNS S31803, S32205, S32550, S32750, S32760 | |
| Available with IBR, NACE & EIL Approval | ||
Types of Forged Fittings
Explore our precision-engineered Forged Fittings built for high-pressure and compact piping installations.
Forged Elbow
Available in 45° and 90° angles with Socket Weld & Threaded ends for directional change
Forged Tee
Used to connect three pipes in T-shaped formation, available in equal and reducing designs
Forged Reducer
Connects pipes of different diameters with secure and pressure-resistant joints
Forged Cap
Seals the end of piping or pressure vessels with high mechanical strength
Forged Stub End
Designed for lap joint flanges in systems needing frequent dismantling
Forged Nipple
Short pipe length with threaded or welded ends for joining valves or fittings
Forged Fittings Dimensions Table (ASME B16.11)
| NPS (in) | Elbow 90° Center to End (mm) | Tee Center to End (mm) | Wall Thickness (mm) | |||||
|---|---|---|---|---|---|---|---|---|
| Class 3000 | Class 6000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 9000 | |
| 1/8 | 16 | 19 | 19 | 22 | 3.8 | 4.1 | 6.1 | 7.5 |
| 1/4 | 19 | 22 | 22 | 25 | 4.0 | 4.3 | 6.6 | 8.0 |
| 3/8 | 21 | 25 | 25 | 29 | 4.5 | 4.8 | 7.1 | 8.6 |
| 1/2 | 25 | 29 | 29 | 35 | 5.3 | 5.6 | 8.1 | 9.7 |
| 3/4 | 29 | 35 | 35 | 41 | 5.8 | 6.1 | 8.6 | 10.2 |
| 1 | 38 | 41 | 41 | 51 | 6.3 | 6.6 | 9.1 | 10.7 |
| 1 1/4 | 44 | 51 | 51 | 60 | 6.7 | 7.0 | 9.6 | 11.2 |
| 1 1/2 | 51 | 60 | 60 | 64 | 7.3 | 7.6 | 10.2 | 12.0 |
| 2 | 60 | 64 | 64 | 67 | 7.8 | 8.1 | 11.2 | 13.3 |
| 2 1/2 | 76 | 83 | 83 | 86 | 8.8 | 9.1 | 12.7 | 14.8 |
| 3 | 86 | 95 | 95 | 99 | 9.3 | 9.6 | 13.7 | 15.9 |
| 4 | 106 | 114 | 114 | 118 | 10.9 | 11.2 | 15.7 | 18.0 |
Features & Benefits
Our robust Duplex & Super Duplex Steel Forged Fittings offer excellent performance in aggressive environments. Vardhman Steel Overseas provides fittings in grades like ASTM A182 F51, F53, F55, F60 and UNS S31803, S32205, S32750, S32760, known for their outstanding resistance to chloride stress corrosion, pitting, and crevice corrosion, making them ideal for offshore, marine, and chemical processing industries.
- Exceptional Corrosion Resistance – Superior resistance to pitting, crevice, and chloride stress cracking.
- High Strength & Toughness – Twice the strength of austenitic stainless steels.
- Suitable for Aggressive Media – Ideal for marine, oil & gas, desalination, and chemical use.
- Secure Socket Weld & Threaded Connections – For high-integrity pressure systems.
- Certified for Critical Applications – IBR, NACE MR0175, and other global standards compliant.
- Available in Class 2000 / 3000 / 6000 / 9000 – Pressure rating flexibility for tough operations.
- Heat & Pressure Resistant – Withstands high thermal and mechanical loads.
- Accurate Threading & Machining – Conforms to ASME B16.11 & MSS-SP standards.
- Quick Availability – Ready stock of standard sizes and fittings.
- Ideal for Critical Piping Systems – Power plants, offshore platforms, and refineries.