... 3) L:2~11.8m 4) Material:Q195,Q cold forming square pipe 1.size:10*10mm-600*600mm2.thickness:0.5mm-60mm4 ... 11.8m4. High Quality: ISO900:2000, API5L, API5CL Product square steel pipesStandardGB/T3091-2001,BS1387,ASTM A53, ASTM A106, EN10219MaterialQ195,Q215 ... packed in bundles, in loose or seaworthy packing , wrapped with steel strip or at sellers optionUsageConstruction, bridge, highway, machinery, and ...