Phanuphong Steel and Plates is a well-respected manufacturer and supplier based in Bangkok, Thailand, known for providing a diverse selection of high-quality steel products and fittings tailored for demanding industrial applications. One of their standout products, the Alloy Steel WP11 Pipe Fittings, is celebrated for its remarkable strength, durability, and adherence to international standards. These fittings are engineered to perform reliably under high-pressure and elevated temperature conditions, making them perfect for critical sectors like oil, gas, petrochemicals, and power generation. Phanuphong Steel is committed to delivering top-notch material quality, prompt delivery, and cost-effective solutions, establishing themselves as a trusted partner for industrial and infrastructure projects around the globe.
The Alloy Steel WP11 Pipe Fittings are primarily made from chromium and molybdenum, with carefully controlled levels of carbon, manganese, phosphorus, sulfur, and silicon to boost their mechanical performance and resistance to corrosion. In terms of mechanics, they boast excellent tensile and yield strength, along with outstanding toughness, hardness, and resistance to creep and oxidation at high temperatures. These fittings are designed for reliable weldability and long-lasting durability, making them ideal for high-pressure and high-temperature settings. Their balanced composition and strong mechanical properties ensure consistent performance in demanding industrial piping 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 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.
Alloy Steel WP11 Pipe Fittings find extensive use in power plants, refineries, petrochemical industries, and chemical processing facilities where high-pressure and high-temperature operations are the norm. They are perfect for applications such as boilers, superheaters, heat exchangers, steam pipelines, and turbine systems, providing safe and durable connections. With their impressive mechanical strength and corrosion resistance, these fittings are ideal for fabrication, structural, and critical piping applications. Thanks to their long service life and dependable performance under tough conditions, Alloy Steel WP11 Pipe Fittings are the go-to choice for industries that require reliability and durability.
Phanuphong 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 Bangkok, Thailand.
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