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    • Standard: ASTM, bs, JIS, ASTM A513-2007, BS EN10219, JIS G3466 Grade: Q195-Q345, Q235 Thickness: 1 - 16 mm Place of Origin: Tianjin, China Application: Structure Pipe Technique: ERW Certification: ISO Surface Treatment: Black Special Pipe: Thick Wall Pipe Alloy Or Not: Non-Alloy Tolerance: ±5% Type: Welded Steel Pipe Secondary Or Not: Non-secondary Product name: China factory erw welded square rectangular…
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