Zinc-iron alloy plating: Strontium zinc
Long-term corrosion protection performance
Strontium zincAlloying 0.3 to 0.6 wt% of iron with the zinc suppresses excessive sacrificial corrosion losses of the zinc, and thus dramatically increases the time it is protected against corrosion. This enables 3 to 4 times higher corrosion resistance than is possible with ordinary zinc plating.
Glossy color tone
Alloying zinc with iron makes it easy to produce a black tone because the plating base becomes a brownish color.
By alloying different metals on a single metal, the crystal grains of the alloy plating become extremely fine and a color tone with a rich glossy finish is obtained.
Treatment is available in a white or black finish.