Silicon Bronze is a copper based filler metal primarily used for MIG, TIG and oxyacetylene welding of copper, copper-silicon and copper-zinc base metals to themselves and to steel. Silicon bronze can be used for on plain or galvanized steel sheet metal. It can also be used for surfacing areas subjected to corrosion.
Typical Applications
Joining copper alloys
Galvanized steel overlays
AWS Specification
AWS A5.7-84
AWS Classification
ErCuSi-A
Welding Current
AC - DCEP (Electrode Positive)
Typical Wire Chemistry
Si 3.0
Mn 1.5
Al 0.01
Pb 0.02
Fe 0.50
Sn 1.0
Zn 1.0
Typical Mechanical Properties (As Welded)
Tensile Strength, psi 50,000
Welding Positions
All positions
Shielding Gas
Ar or Ar / CO2 mix
Available Diameters
.023", .030", .035", & .045" - GMAW
.045", 1/16", 3/32" & 1/8" - GTAW
Operating Range In Amps
.023" 35 - 70
.030" 50 - 100
.035" 100 - 150
.045" 150 - 200
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