Tin Free Steel
1) Single or double reduced black plate having a thin coating of chromium and chromium oxide applied electrolytically. Weirton's trade name is Weirchrome and the coating weight is 5 mg/sq. ft. or 0.000003 inches thick. 2) Carbon steel that is coated with chromium rather than tin. Weirton's trade name is Weirchrome and the coating weight is 5 mg/sq. ft. or 0.000003 inches thick.
