Thank you for your inquiry. We are Desta Steel, a trusted name in Addis Ababa dedicated to providing robust and reliable industrial solutions. Our Alloy Steel WP11 Pipe Fittings are a cornerstone of our product line, specifically engineered to meet the demanding requirements of high-temperature and high-pressure systems, ensuring exceptional performance and longevity for our clients across Ethiopia and beyond.
The composition of these WP11 fittings includes chromium and molybdenum, giving them excellent strength and resistance to corrosion and oxidation. This specific alloying results in superior mechanical properties, including high tensile strength and good creep resistance, which allows them to maintain integrity under sustained stress and elevated temperatures, making them a dependable choice for critical applications.
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 WP11 | 0.05-0.2 | 0.3-0.8 | 0.5-1 | ≤0.030 | ≤0.030 | 1-1.5 | 0.44-0.65 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP11 | 415 – 585 | ≥205 | ≥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 fittings are indispensable in industries where system integrity is non-negotiable. You will typically find them in power generation plants, petrochemical refineries, and high-pressure processing units, expertly handling the transport of steam, oil, and gas. Their resilience makes them perfect for pipelines and boilers that operate under severe thermal conditions, ensuring safety and efficiency in some of the most challenging industrial environments.
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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