Yousef Steel, a trusted manufacturer and supplier based in Riyadh, Saudi Arabia, offers top-notch Alloy Steel WP91 Pipe Fittings that are crafted to meet international standards. These fittings are meticulously designed to ensure exceptional performance in high-pressure and high-temperature settings. Renowned for their strength, durability, and resistance to corrosion, they are produced using cutting-edge technology and rigorous quality control measures. Alloy Steel WP91 Pipe Fittings find their applications in power plants, refineries, petrochemical industries, and various heavy engineering sectors where reliability and longevity are paramount.
The fittings are primarily made up of chromium, molybdenum, and other alloying elements, along with carbon and manganese, which significantly boost their mechanical strength and oxidation resistance. This specific composition grants them excellent creep resistance and tensile strength, making them ideal for high-temperature applications. On a mechanical level, they showcase impressive yield strength, outstanding hardness, and remarkable toughness, all while ensuring good weldability. Their capacity to endure extreme pressure and temperature variations guarantees safe and dependable operation in critical industrial settings.
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 widely utilized in industries that demand strong connections and lasting durability. In power generation facilities, they are commonly found in boilers, superheaters, and heat exchangers. Refineries and petrochemical sectors rely on them for managing high-temperature fluids and gases under challenging operating conditions. They also play a vital role in chemical processing, oil and gas pipelines, and heavy machinery systems where strength and performance are essential. Their ability to maintain structural integrity even in the most demanding service conditions makes them a go-to choice for critical industrial applications around the globe.
Yousef 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 Riyadh, Saudi Arabia.
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