GI coil standard :GB/T12574; JIS G3312; EN10147; ASTM A755M thickness:0.15mm-1.5mm width:600mm-1250mm zinc:60g-275g CERTIFICATEGI:ISO9001:2008STANDARDGI :ASTM A653, JIS G3302 SGCC/SGCH ,GB/T 2518, European standardGRADEGI : SS grade 33-80; SGCC, SGCH, SGCD1-SGCD3, SGC340-SGC570, SGCC, DX51dMODEL NO.GI :(0.12-1.5)*1250MM or underTYPEGI :steel coil, steel sheets/ plates, corrugated steel sheets/ ...