... ),ZINCALUME STEEL COIL.GALVALUME STEEL,Cold rolled steel, Electrolytic Galvanized steelGRADESGCC,ENG10142, DX51D, ASTM A653,SECC,SEDCZINC COATING60-275gCOIL WEIGHT3---12MTINTERNAL DIAMETER(ID)508mmTHICKNESS0.14---2 ... TON per yearQUALITY QURANTEE10 YEARS OF OUTDOOR USING FOR PE prepainted galvanized steel coil,prepainted galvanized steel,ppgi