Material: BS EN 1982 CuSn5Zn5Pb5-B (CB491K) Description: Standard Specification for Copper and Copper Alloys - Ingot and Casting Group Name: Non-Ferrous Copper Alloy Sub Group: BS EN 1982 Standard Specification for Copper and Copper Alloys - Ingot and Casting Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Grade Standard: BS-BRITISH STANDARD