ASTM A53 Gr. B/En10219-S235, S275, S355jr, S235, S275, S355j0, S235, S275, S355j2 ERW Carbon Steel Welded Pipe. Wide Material Range: Available in ASTM, GB, DIN, JIS standards with grades like Q195, Q235, X42-X80. Flexible Dimensions: Outer diameter 21.3-660mm, wall thickness 1.5-18mm, and customizable lengths. Diverse Surface Finishes: Options include Black, Bare, Lightly Oiled, Hot Dip Galvanized, and 3PE coating. Rigorous Quality Control: Features 100% visual and function inspection with Eddy current and ultrasonic testing. Comprehensive Customization: Supports full customization, minor customization, and flexible options from samples or designs. Fast Lead Time: Standard materials ship within 5 weeks; peak/off-peak seasons within 15 working days. Versatile Applications: Suitable for Oil & Gas, Construction, Chemical Processing, Water Supply, and Cast Iron. OEM/ODM Services: Manufacturer offers both OEM and ODM services with traceable raw materials.