• ISO 9001
• EU CE
• SGS / BV
• Factory Direct

WELDED SQUARE AND RECTANGULAR STEEL TUBE

Q235B Q345B DIN Standard Welded Steel Pipe Factory Direct Supplier

Q235B Q345B DIN Standard Welded Steel Pipe, outer diameter customized, wall thickness customized, length 6m/9m/12m — hot rolled and cold drawn processes ensure dimensional accuracy for fluid and structural applications. Multiple surface options including black, bright, galvanized, and painted finishes deliver corrosion protection across diverse environments. Factory-direct supply with original mill test certificates and third-party inspection via SGS/BV ensures full traceability and customs compliance for global shipments.

MOQ

Flexible · mixed container

Certification

ISO · CE · SGS · BV

Customization

Non-standard sizes

Export

50+ countries