Hebei Huayang Steel Pipe Co., Ltd is one of the leading manufacturers and suppliers of erw steel pipe apl 5l x42 psl1 dn400- dn500 in China. Please feel free to buy cheap erw steel pipe apl 5l x42 psl1 dn400- dn500 from our factory. All customized products are with high quality and low price.
Key Specifications of API 5L X42 PSL1 ERW Steel Pipe
| Item | Description |
|---|---|
| Pipe Type | ERW Steel Pipe |
| Standard | API 5L |
| Grade | X42 PSL1 |
| Outside Diameter | DN400–DN500 |
| Minimum Yield Strength | ≥ 290 MPa |
| Tensile Strength | 415–565 MPa |
| Typical Use | Oil, gas, and structural pipelines |
| Manufacturer | Huayang Steel Pipe |
Huayang produces ERW pipes in this size range with stable output and consistent quality control.




Material Characteristics and Manufacturing Strength
API 5L X42 PSL1 is a low-alloy carbon steel grade offering higher yield strength than Gr.B while maintaining good weldability. In DN400–DN500 diameters, it is commonly used for medium-pressure transmission pipelines and structural pipeline systems. Huayang adopts high-frequency ERW welding, precise forming control, and online ultrasonic and eddy current testing, ensuring a dense weld seam, uniform wall thickness, and mechanical properties fully compliant with API 5L PSL1 requirements.
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