"plate astm a36"

TUV GB5310は炭素鋼の継ぎ目が無い管に電流を通した

Corrosion Resistant Galvanized Carbon Steel Seamless Pipe And Tube Product Details Commodity hot dipped and pre-galvanized steel pipe OD 10-600mm(round) thickness 1.2-30mm length 3-12m or as per customers' requirements material Q195—Grade B, SS330, SPC, S185 Q215—Grade C,CS Type B, SS330, SPHC Q235-...