Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, focusing on top-notch Alloy Steel WP12 Pipe Fittings. Known for our commitment to excellence and reliability, we cater to a diverse array of industries, including power generation, petrochemicals, and oil & gas. Our WP12 pipe fittings are designed to meet international standards, ensuring outstanding performance even in high-temperature and high-pressure situations. We provide a comprehensive selection of elbows, tees, reducers, and caps, customized to meet your specific piping needs, all supported by expert technical assistance and prompt delivery throughout South Africa and beyond.
Alloy Steel WP12 Pipe Fittings mainly consist of chromium (1.00–1.50%) and molybdenum (0.44–0.65%), along with carefully controlled levels of manganese, phosphorus, sulfur, and silicon. This unique chemical makeup gives them remarkable strength, toughness, and resistance to corrosion, particularly at elevated temperatures. In terms of mechanical properties, WP12 fittings boast a tensile strength of around 415 MPa, a yield strength of 205 MPa, and a minimum elongation of 20%. These characteristics, along with heat treatment, significantly boost their durability and reliability in high-stress environments, making them perfect for demanding industrial applications that require long-lasting performance and structural integrity.
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 WP12 | 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 WP12 | 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 WP12 Pipe Fittings are extensively utilized in critical systems where high pressure, temperature, and corrosive conditions are prevalent. Typical applications include power plants, refineries, chemical processing facilities, and offshore oil platforms. These fittings play a vital role in constructing boilers, heat exchangers, pressure vessels, and piping systems in both thermal and nuclear plants. Their capacity to endure extreme operating conditions makes them ideal for steam lines, superheater tubes, and reheater tubes. The WP12 grade guarantees leak-proof connections and structural integrity, ensuring safe, efficient, and durable industrial operations across various high-demand environments.
ThabisoSteel 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 Cape Town, South Africa.
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