In the bustling industrial landscape of Kinshasa, Yoane Steel has established itself as a trusted partner for high-performance materials. We are proud to be a leading manufacturer and supplier, providing robust solutions for the region’s demanding projects. Our specialty includes Alloy Steel WP91 Pipe Fittings, engineered to meet the rigorous standards required in power generation and heavy industrial applications, ensuring reliability and longevity for our clients across Congo.
The strength of our WP91 fittings comes from their specific composition, which includes chromium, molybdenum, and vanadium. This alloy blend is carefully balanced to deliver exceptional mechanical properties, including high-temperature strength and outstanding creep resistance. This means the fittings can withstand immense pressure and extreme heat over long periods without degrading, making them a fundamentally durable and dependable choice for critical systems.
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 fittings are essential components in environments where failure is not an option. You will commonly find them in the high-pressure piping systems of power plants, both conventional and nuclear, as well as in petrochemical refineries. Their ability to perform under severe thermal stress also makes them ideal for various heavy engineering applications, effectively containing steam and other aggressive media where safety and integrity are the highest priorities.
Yoane 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 Kinshasa, Congo.
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