1.1 This specification establishes the requirements for Copper Alloy UNS Nos. C19002, C19010, C19015, ,C19020, C19025, C63800, C64725, C70250, C70260, C70265, and C70310 sheet and strip. 1.2 The values stated in either This specification establishes the requirements for sheets and strips of copper-aluminum-silicon-cobalt, copper-nickel-silicon-magnesium, copper-nickel-silicon, copper-nickel-aluminum-magnesium, and copper-nickel-tin alloys with Copper Alloy UNS Nos. C