... customer’s requirementsCoil ID: 508mmCoil weight: 3-6tons.Galvanized steel coil (Hot-dip Galvanized Coils)1, guiding standards: JIS G3302, ASTM ... of galvanized: 60g~275g/m23, inner diameter: 508mm4, weight per coil: 3~7MT5, spangle: zero spangle, small spangle, regular spangle, large ... requirements6, incoming material: SGCC, SPCC DX51D with RAL color coating for GI coils