ASTM A500 HOLLOW SECTION Size: 10x10to500x500mm x 0.2to40mm Material: Q195,Q215,Q235 Length:1m to 12m Brand name:YongTai 1Goods: hollow section 2Outside Diameter(mm): 10mmx10mm-500mmx500mm 3Normal Diamater(mm):1/2, 3/4,1.1-1/4,1-1/2,2.2-1/2,3,4,5,6,7,8,9,10,11,12,14,16 4Thickness(mm):0.2-40mm 5Length: 0.5-14m 6Origin:Tianjin,China 7Material standard: A53 GRA/B, Q195,Q215,Q235,10#,20#,45#,16Mn ...