Phanuphong Steel and Plates is a well-respected manufacturer and supplier of Carbon Steel WPHY 70 Pipe Fittings, proudly catering to clients in Bangkok, Thailand. With a focus on high-strength piping solutions, the company offers precision-engineered WPHY 70 fittings that adhere to international standards like ASTM A860. Equipped with state-of-the-art manufacturing facilities and a commitment to quality, Phanuphong delivers durable, pressure-resistant fittings that are perfect for critical applications. Their WPHY 70 fittings find extensive use in the oil & gas, petrochemical, and energy sectors. Clients trust Phanuphong for reliable performance, timely deliveries, and outstanding technical support in challenging industrial settings.
Carbon Steel WPHY 70 Pipe Fittings are crafted from high-strength low alloy steel, which includes carbon (up to 0.28%), manganese, and trace elements like phosphorus, sulfur, and vanadium. These fittings meet the ASTM A860 standard and are usually normalized or quenched and tempered to boost their mechanical properties. They boast a minimum yield strength of 485 MPa (70,000 psi) and a tensile strength that ranges from 570 to 760 MPa. Designed for durability and toughness, WPHY 70 fittings are built to withstand mechanical stress, making them perfect for high-pressure and high-temperature pipeline systems.
| 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 |
Phanuphong’s Carbon Steel WPHY 70 Pipe Fittings are essential in high-pressure pipeline systems across a variety of industries, including oil & gas transmission, petrochemical processing, power generation, and offshore drilling. These fittings—like elbows, reducers, tees, and caps—are designed to ensure leak-proof connections and dependable flow control in demanding conditions. Their strength and resistance to corrosion make them ideal for both onshore and offshore applications, including subsea pipelines and refineries.
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.
Copyright 2025 Phanuphong Steel. All rights reserved