galvanized square steel pipe 1.Thickness:0.6 - 10 mm 2.Size:15*15-400*400mm 3.Grade:Q195,Q215, ... and automotive partsPacking :In square bundlesO,D.(mm)W,T.(mm)O.D.(mm)W.T.(mm)15*151.2-3.0120*1202.5 ... .75400*4006.0-25 Introduction of company SINO EAST STEEL ENTERPRISE CO., LTD located in Tianjin Industrial Park ,Daqiuzhuang .we have extreme ...