Material: IS 3091 Description: Standard Specification for Aluminium Bronze Ingots and Casting for Overhead Fittings in Electric Traction Group Name: Non-Ferrous Copper Alloy Sub Group: IS 3091 Aluminium Bronze Ingots and Casting for Overhead Fittings in Electric Traction Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Grade Standard: IS-INDIA