Coating Raw Material Coating Type Zinc plated Black zinc plated Yellow zinc plated Zinc nickel Raw Material Hardened steel Stainless Steel A2 Stainless Steel A4 DDKK 2,24,31,302,95,51,713,56,82,123,97,52,324,28,12,524,89,53,025,510,83,436,312,43,83