... or EN10142DX51D ,SGCH and so on The thickness of the Galvanized Steel Coil is from 0.18 ... the Galvanized steel Coil: Normal spangle, large spangle, small spangle, matt surface, chromated or not Zinc coating:Z10 to ... & waterproof paper around circumference and bore protection.the pallents no more than 3 tons Internal diameter ... -8 tons MOQ:25 tons each type offer the galvanized steel coil/gi coil/hot dipped ...