Marzouk Steel, based in Tunis, Tunisia, is a leading manufacturer and supplier of premium steel products, serving industries that demand strength, precision, and reliability. Among its specialized offerings are Alloy Steel WP12 Pipe Fittings, designed for high-pressure, high-temperature, and critical piping systems. Manufactured using advanced forging techniques with strict quality control, WP12 fittings offer exceptional strength, toughness, and corrosion resistance. Marzouk Steel ensures that each WP12 fitting meets international standards, providing engineers and fabricators dependable solutions for power plants, petrochemical facilities, oil and gas pipelines, and industrial plants requiring secure, leak-proof, and long-lasting piping connections.
Alloy Steel WP12 Pipe Fittings are made from high-grade chromium-molybdenum (Cr-Mo) alloy steel, designed for superior tensile strength, hardness, and thermal stability. Their chemical composition, including carbon, chromium, and molybdenum, enhances toughness, fatigue resistance, and corrosion protection. WP12 fittings are heat-treated to optimize yield strength, tensile strength, and impact resistance. Engineered to maintain structural integrity under high-pressure and high-temperature conditions, these fittings are ideal for demanding industrial, petrochemical, and power generation applications where reliability and long-term performance are essential.
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 widely used in industries requiring durable and reliable piping connections. They are commonly applied in boilers, heat exchangers, turbines, petrochemical plants, oil and gas pipelines, and heavy industrial machinery. Engineered to withstand high pressures, extreme temperatures, and cyclic mechanical loads, WP12 fittings ensure secure, leak-proof connections. Engineers and fabricators rely on these fittings for critical applications where safety, durability, and operational efficiency are paramount. Their combination of mechanical strength, toughness, and corrosion resistance guarantees dependable performance in the most demanding industrial and energy-related environments.
Marzouk 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 Tunis, Tunisia.
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