Located in the heart of Amman, Jordan, Yazan Steel has built a strong reputation as a trusted manufacturer and supplier of high-performance industrial materials. Our expertise is exemplified by our range of Alloy Steel WP91 Pipe Fittings, products engineered to meet the rigorous demands of modern industry. We understand that reliability is paramount, which is why we commit to providing fittings that offer exceptional strength and durability, supporting critical infrastructure projects both locally and across international markets with unwavering quality.
The strength of WP91 lies in its specialized composition, which includes chromium, molybdenum, and vanadium, with a key addition of niobium. This careful balance of elements gives the material its remarkable mechanical properties. These fittings are designed to maintain exceptional tensile strength and superior creep resistance, even when subjected to extreme temperatures and high-pressure environments. This ensures a long service life and reliable performance under conditions that would cause ordinary materials to fail.
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.
These robust characteristics make Alloy Steel WP91 Pipe fittings indispensable in sectors where safety and performance are non-negotiable. You will commonly find them in the high-pressure piping systems of power generation plants, including both conventional and nuclear facilities. They are also crucial in petrochemical refineries and in various demanding industrial settings, effectively managing the flow of superheated steam and other aggressive media. Their reliability helps ensure the continuous and safe operation of some of the world’s most critical infrastructure.
Yazan 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 Amman, Jordan.
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