ASTM A860 WPHY42-S Equal Tee High-Strength Steel Butt Welding Fitting For High-Pressure Pipeline Systems
ASTM A860 WPHY42-S Equal Tee - High-Strength Steel Butt-Welding Fitting for High-Pressure Pipeline Systems
YUHONG Group, with over 35 years of industrial expertise and a global supply network serving 85 countries, is a trusted manufacturer of high-performance piping components. Our ASTM A860 WPHY42-S Equal Tees are engineered for critical high-pressure gas and oil transmission systems, combining superior strength with excellent low-temperature toughness. We ensure full compliance with international standards, rigorous quality control, and complete traceability, delivering reliable solutions for demanding energy infrastructure projects worldwide.
Chemical Composition Requirements
| Element | Composition % |
| Carbon, max | 0.2 |
| Manganese | 1.00-1.45 |
| Phosphorus, max | 0.03 |
| Sulfur, max | 0.01 |
| Silicon | 0.15-0.40 |
| Carbon Equivalent (CE), max | 0.42 |
Mechanical Properties Requirements
| Property | Requirement |
| Yield Strength, min | 42 ksi [290 MPa] |
| Tensile Strength | 60-85 ksi [415-585 MPa] |
| Elongation in 4D, min | 25% |
| Hardness, max | 22 HRC (235 HBW) |
Standard Test Requirements
| Test Type | Requirement |
| Impact Test (Charpy V-Notch) | 30 ft-lbf [40 J] min (10×10 mm) |
| Test Temperature | -50°F [-46°C] |
| Tension Test | Per heat/lot |
| NDE Requirements | Radiographic examination of all welds |
Key Product Advantages
- High Strength-to-Weight Ratio: The WPHY42 grade provides a minimum yield strength of 42 ksi [290 MPa], offering excellent mechanical properties for high-pressure applications while maintaining relatively light weight compared to higher-grade materials.
- Excellent Low-Temperature Toughness: Certified impact testing at -50°F [-46°C] ensures reliable performance in low-temperature environments, preventing brittle fracture in critical pipeline applications.
- Superior Weldability and Formability: The controlled chemical composition with maximum 0.42% carbon equivalent provides excellent weldability and formability characteristics, facilitating easy installation and field welding.
- Stringent Quality Assurance: All fittings undergo comprehensive testing including radiographic examination of welds, impact testing, and tension testing, ensuring material integrity and performance reliability.
- Full Compliance with Industry Standards: Manufactured in accordance with ASTM A860 requirements and compatible with ASME B16.9/MSS-SP-75 dimensional standards, ensuring interoperability and quality consistency.
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