black steel pipe80
Product Name: Black Steel Pipe Thickness: 0.4mm~30mm Outer Diameter: Round 0.3mm~650mm; Square 8*8mm~500*500mm Length: As per customer’s requirement Technique: Cold Rolled, Hot Rolled Grade: Q195~Q235, 10#~45#, Gr.A~Gr.C,DIN~S235JR Standard: BS1387,ASTM A53, ASTM A500, ASTM A513M-06B, GB/T6728