large diameter Lsaw Carbon Steel Pipe

  Product name:large diameter Lsaw Carbon Steel Pipe
　　Standard: ASTM, DIN, JIS, GB, BS
　　Technique: Welded
　　Surface Treatment: Polished
　　Application: Structural Steel Bar
　　Length: 5m to 12m
　　Outer Diameter: 25 - 356 mm
　　Origin: China
　　Type: Round
　　Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
　　Od: 34mm to 325mm
　　Wall Thickness: 2.5mm to 80mm
　　Surface: Bare/Oil/Paint/Varnish
　　Trademark: Shengtian
　　Specification: Telecom tower