Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-strength steel products for demanding pipeline and energy applications. One of its advanced offerings is Carbon Steel WPHY 70 Pipe Fittings, engineered for high-pressure pipeline systems where strength, toughness, and reliability are essential. Manufactured in accordance with ASTM A860 standards, these fittings are designed to match high-yield pipeline grades and perform under severe service conditions. Marzouk Steel applies strict quality control and advanced manufacturing processes to deliver WPHY 70 fittings that meet international standards and support safe, long-term pipeline operation.
Carbon Steel WPHY 70 Pipe Fittings are produced from high-quality carbon steel with controlled chemical composition and micro-alloying elements. This grade offers high yield and tensile strength, excellent toughness, and strong resistance to deformation under high internal pressure. Heat treatment ensures uniform mechanical properties, good weldability, and dimensional stability. These fittings are designed to maintain structural integrity and reliable performance in high-pressure and high-stress pipeline environments.
| Specification: | ASTM A860 WPHY 70 Fittings |
| Schedule: | Schedule 5 TO Schedule XXS. |
| Size: | Normal Pipe Size (NPS) 1⁄₂ to Normal Pipe Size (NPS) 48” |
| Type: | Butt Weld (BW), Seamless (SMLS) Welded |
| Thickness: | Sch 5S, 20S, S10, S20, S30, 10S, S80, S100, S120, STD, 40S, S40, S60, XS, 80S, S140, S160, XXS and etc. |
| Type Of Dimension: | BS1640, EN 10253 – 4, DIN 2605, JIS B2312, ANSI B16.9, MSS SP-75, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2313 |
| Standard | EN, ISO, DIN, JIS, NPT |
| Type | Elbow, Stub End, Bend, Tee, Reducer, Cap, Adapter, Wye, Cross, |
| Connection Type | Threaded/ Clamp End / End Bell / Weld/ Flange/ |
| Pressure-Temperature Class | 150LB, 300LB, 600LB, 1500LB, 2500LB. |
| C | Mn | P | S | Si | Ni | Cr | Mo | Cu | Ti | V | Cb | Al | |
| ASTM A860 WPHY 70 Fittings | 0.20 | 1.00-1.45 | 0.03 | 0.01 | 0.15-0.40 | 0.50 | 0.30 | 0.25 | 0.35 | 0.05 | 0.10 | 0.04 | 0.06 |
Tensile Strength (mpa) | Yield Strength (mpa) | |
ASTM A860 WPHY 70 Fittings | 485 | 570 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| NPS | O.D. | 90 Degree Elbow | 45 Degree Elbow | 180 Degree Return | ||||
|---|---|---|---|---|---|---|---|---|
| (inch) | Long Radius Elbow | Short Radius | Long Radius Elbow | Long Radius Elbow | ||||
| (millimeter) | (inch) | Center to Face (inch) | Center to Face (inch) | Center to Face (inch) | Radius (inch) | Center to Center (inch) | Back to face (inch) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Marzouk Steel is a top manufacturer and supplier of high-quality Carbon Steel WPHY 70 Pipe Fittings products in Tunis, Tunisia. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
Carbon Steel WPHY 70 Pipe Fittings are widely used in high-pressure oil and gas transmission pipelines, petrochemical plants, and energy infrastructure projects. They are commonly applied in pipeline bends, elbows, tees, reducers, and caps where high strength is required. These fittings are suitable for onshore and offshore pipeline systems, compressor stations, and refineries. Engineers and project managers rely on WPHY 70 fittings for their durability, safety, and dependable performance in demanding pipeline and industrial applications.
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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