A: Size Range:
1) Round pipe diameter: 16mm-610mm, thickness: 0.8-20.0mm
2) Square tube: 16 x 16mm-400 x 400mm, thickness: 0.8-20.0mm
3) Rectangle tube: 19 x 10mm-500 x 300mm, thickness: 0.8-20.0mm
B: Surface finish: Black, blank, bright and galvanized
C: Length of each pipe: 500mm-16, 000mm
D: Steel grade: Q195 - Q235A, ST37-2, ST52, S235, S355, SS400, A1010, SAE1045, X40, X60 etc
E: Conforms to international standards, like: ASTM A53, ASTM A500, ASTM A513, BS1387, DIN2391, DIN2394, DIN17175, JIS G3452, EN10210, EN10305 etc

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