Silicon Bronze Washington Alloy Filler Wire ERCuSi

$20.25$21.28

AWS A5.7 ERCuSi-A
AWS A5.27 RcuSi-A
ASME SFA5.7
ASME SFA 5.27 ERCuSi-A

Washington Alloy Silicon Bronze is a copper-based filler metal containing 3% silicon and small amounts of manganese, tin, and zinc. Primarily used for MIG, TIG, and oxyacetylene welding of copper, copper-silicon, and copper-zinc base metals to themselves and to steel.

The oxyacetylene gas flame should be slightly oxidizing. Keep the weld puddle small in order to promote fast solidification and minimize cracking. A high boric acid flux should be used both before and during welding. Preheating is NOT recommended.

Applications:

Excellent for plain or galvanized steel sheet metal as well as other coated steels. Washington Alloy Silicon Bronze is also used for surfacing areas subjected to corrosion.

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Additional information

Wire Diameter

.045, 1/16, 3/32