Luke Steel, located in Houston, Houstan, is a reputable manufacturer and supplier of top-notch Alloy Steel WP91 Pipe Fittings. Known for its dedication to quality, the company provides reliable and durable piping solutions that adhere to international standards. With cutting-edge manufacturing techniques and rigorous quality checks, Luke Steel guarantees that each fitting delivers outstanding performance in challenging applications. The company serves a variety of industries, including oil and gas, power generation, and petrochemicals, ensuring timely deliveries and expert support to meet the diverse needs of clients both in the United States and around the world.
Alloy Steel WP91 Pipe Fittings are primarily made up of chromium (8-9.5%), molybdenum (0.85-1.05%), and vanadium (0.18-0.25%), along with smaller amounts of carbon, manganese, phosphorus, sulfur, silicon, and nitrogen. These elements work together to provide excellent heat and corrosion resistance. In terms of mechanical properties, WP91 fittings boast a high tensile strength of at least 585 MPa, impressive yield strength of a minimum of 415 MPa, and good elongation characteristics, typically exceeding 20%. This makes them perfect for high-pressure and high-temperature settings where maintaining structural integrity is crucial.
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 | 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 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | ≥590 | ≥415 | ≥20 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Alloy Steel WP91 Pipe Fittings are commonly utilized in situations that require high strength, temperature resilience, and corrosion protection. You’ll often find them in power plants, refineries, and chemical processing facilities, where they are ideal for superheater and reheater tubes, steam lines, and boiler components. Their durability makes them well-suited for high-pressure piping systems in both fossil fuel and nuclear power plants. Additionally, WP91 fittings are employed in oil and gas transmission lines, thermal plants, and various other industrial sectors that demand reliable, long-lasting performance under extreme conditions, ensuring safety, efficiency, and minimal maintenance over time.
Luke Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Houstan, USA.
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