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Weldmig CuSi3 (C9) is a copper wire containing 3% Silicon and 1% Manganese used for welding materials of similar compsition eg. copper alloys, brass & steel. It is commonly used within the motor industry for wekding of zinc coated steel.
BS 2901 1990 PT3 C9 CuSi3
Chemical Analysis (WT%)
Cu 96, Mn 1.00, Si 3.00
Welding process: Mig
Gas: Ar, Ar-Helium

