Product Code:SAE AS81021 Title:Copper-Beryllium Alloy (Copper Alloy Numbers C17500 and C17510), Strip Issuing Committee:Ams D Nonferrous Alloys Committee Scope:This specification covers the requirements for the acquisition of two alloys of Copper-Beryllium alloy strip, having higher electrical conductivity than Copper-Beryllium alloy strip normally used (see 6.1). All sizes of strip are covered by this specification.