For companies in Addis Ababa and throughout Ethiopia building robust industrial systems, Desta Steel stands as a trusted partner for high-performance components. We specialize in supplying top-quality Alloy Steel WP91 Pipe Fittings, crucial for projects where strength and resilience under extreme conditions are non-negotiable. Our commitment is to provide reliable solutions that meet the stringent demands of Ethiopia’s growing energy and power sectors, ensuring your operations are built on a foundation of durability and local expertise you can count on.
The strength of WP91 fittings comes from a sophisticated composition primarily of chromium and molybdenum, enhanced with vanadium, niobium, and boron. This specific recipe gives the material its exceptional mechanical properties, including very high tensile strength and outstanding creep resistance. This means it can withstand immense pressure and extremely high temperatures over long periods without deforming, making it a fundamentally robust choice for the most challenging industrial environments where failure is not an option.
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.
You will typically find WP91 fittings hard at work in the most demanding parts of power plants, forming critical connections in high-pressure steam lines and main steam piping. Their ability to perform reliably in extreme heat and pressure also makes them indispensable in petrochemical refineries and other heavy industrial settings. Essentially, they are the go-to component for any system that requires dependable performance under sustained thermal stress, ensuring both safety and long-term operational efficiency where it matters most.
Desta 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 Addis Ababa, Ethiopia.
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