Structural Pipe Standard: ASTM/A252, DIN1629/1630, EN10297-1, EN10210-1, GB/T8162- 1999, SY/T5768 ASTM A500. Size: ∮ 10mm - 1422mm.
Square and rectangular tube Standard: ASTM A500, EN10210. Steel grade: A, B, C and S355J2H. Size: ∮ 10mm - 406mm.
Hot dip galvanized pipe Standard: ASTM/A53, BS1387. Size: ∮ 10mm - 1422mm