| Specification | Material type: hot rolled weld square round rectangle steel pipe; Out diameter: 10-600mm; Thickness: 0.5-30.0mm; Length: 3-12m or as per customers' requirements; Material: Q195—Grade B, SS330, SPC, S185Q215—Grade C,CS Type B, SS330, SPHCQ235---Grade D, SS400, S235JR, S235JO, S235J2Q345---SS500, ST52; Standard: GB/T13793-1992,GB/T14291-2006, GB/T3091-1993,GB/T3092-1993,GB3640-88BS1387/1985,ASTM A53/A36,EN39/EN10219,API 5L,GB/T9711.1-99 etc; Surface treatment: Galvanized,or black; Zinc coating |
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