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Alloy steel WP91 Pipe Fittings are built for outstanding performance under tough engineering conditions. Featuring a composition rich in alloying elements such as chromium and molybdenum, WP91 fittings deliver excellent resistance to high temperature, corrosion and pressure. They are perfect for critical applications in oil and gas power generation, chemical processing, etc. These fittings are essential in complex piping systems. Guaranteeing accurate sizing and smooth integration, they are optimized to boost efficiency and structural integrity. Alloy steel WP91 pipe fittings comply with strict standards, offering a dependable solution for installations that are hard to find.
Specifications : ASTM A234 / ASME SA234
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | ≥590 | ≥415 | ≥20 |
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP91 | 0.08-0.12 | 0.3-0.6 | 0.2-0.5 | ≤0.02 | ≤0.015 | 8-9.5 | 0.85-1.05 |
At Sumakhsteel, we’re proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically positioned across the USA, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote on your requirement.
These Alloy Steel WP91 Pipe Fittings are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Alloy Steel WP91 Pipe Fittings serve applications as varied as the industries that rely on them, led chiefly by the aerospace, railway, construction and automotive industries, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes Alloy Steel WP91 Pipe Fittings can be recycled. They include alloying elements such as chromium and molybdenum, which are valuable and can be efficiently reclaimed via conventional metal recycling methods. Recycling alloy steel fittings contributes to preserving natural resources, lowering energy use, and reducing environmental harm when compared with manufacturing new materials from raw ores. Careful handling and sorting of alloy steel parts during decommissioning or end-of-life stages guarantee effective recycling, reinforcing sustainable practices across industrial sectors.
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Email: sales@sumakhsteel.com
