Copper alloy and brass wires and brazing alloy and Ag-brass alloy 1) Type of production:HS201, HS211, HS221, HL104, HL1052) ... 890 degree centigrade. Suited for welding and /or brazing copper, steel , nickel copper alloy , grey cast iron as well as Kentanium.HL104: ... for gas flame and / or high frequency brazing copper, steel, nickel copper alloy, grey cast iron as well as Kentanium.Hl105: Suited ...