Hot-Dip Galvanizing or HDG is a process in which zinc bonds to steel at the molecular level to produce a four-layer corrosion-resistant finish. The first three layers are zinc-iron alloy layers that are actually harder than the base steel. The fourth or top layer is pure zinc.

It can be used in automobile, home appliances, Apparatus, machinery industries, etc.
Standard: SGCC . DX51D, JIS G3302, ASTM A653

Surface finish: Regular spangle, small spangle, zero spangle