Flat Products
Galvannealed Coil
Galvannealed Coil (GA Coil) is produced by passing a hot-dip zinc-coated steel strip directly into an inline induction or gas-fired annealing furnace (~500–550°C), causing iron from the steel base to diffuse into the zinc coating. This creates an integrated iron-zinc alloy coating (~9–12% Fe) with a matte grey finish that is spangle-free, harder than pure […]
