QQ-T-201F, FEDERAL SPECIFICATION: TERNEPLATE, FOR ROOFING AND ROOFING PRODUCTS (12 NOV 1986)

QQ-T-201F, FEDERAL SPECIFICATION: TERNEPLATE, FOR ROOFING AND ROOFING PRODUCTS (12 NOV 1986)., This specification covers type I carbon steel base metal and type II stainless steel base metal coated with a lead-tin alloy for roofing materials.