Material: IS 2451 CuNi15Zn22 Description: Standard Specification for Copper Alloys - Nickel Silver - Ingots and Casting Group Name: Non-Ferrous Copper Alloy Sub Group: IS 2451 Copper Alloys - Nickel Silver - Ingots and Casting Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Grade Standard: IS-INDIA