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Spiral Welded Steel Pipes by API or GB/T9711.1-1997 Standard, OD 219 to 2,820mm,

Tianjin Ruitong Iron & Steel Co. Ltd

Spiral Welded Steel Pipes by API or GB/T9711.1-1997 Standard, OD 219 to 2,820mm,

Spiral Welded Steel Pipes by API or GB/T9711.1-1997 Standard, OD 219 to 2,820mm,

Key Specifications/Special Features: Standards: API or GB/T9711.1-1997 Grades: Q195, Q215, Q235, Q345, X42, x52 X60, X65 and X70 Outside diameter: 219 to 2,820mm Wall thickness: 3 to 26mm Length: ...

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