Steel substrate and a 99% zinc coating.
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Typically supplied annealed and temper passed.
90% zinc and 10% iron.
Type 1 aluminized has a coating of approximately 84%.
Type 2 aluminized has a coating of commercially pure aluminum.
Stainless steels are iron alloys with a minimum of 10.5% chromium.
Alloying elements enhance formability, strength and cryogenic toughness.
Zinc phosphate treated galvanized steel.
Inhibits corrosion and promotes paint adherence.