TIG TORCH SETS. TIG TORCH PARTS & ACCESSORIES. TIG TORCH CONSUMABLES. Spray Transfer: 100% Argon on Thin Sections; 75% Argon 25% Helium on Thicker Sections. Silicon Bronze is a copper alloy Rod containing 3% silicon and used for TIG or Oxyacetylene Welding of copper, brass, bronze, steel and cast iron.
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