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LOW FUMING BRONZE ALLOY

AWS A5.8 Class RBCuZn-C

Washington Alloy Low Fuming Bronze is a general-purpose oxyacetylene brazing rod used for steel, copper alloys, cast iron, nickel alloys, and stainless steel. A balanced chemical analysis of copper and zinc, as well as alloying elements of tin, iron, manganese, and silicon, produce weld deposits that are easily attained simply by applying a neutral or slightly oxidizing flame. The high silicon content of Washington Alloy Low Fuming Bronze keeps fumes to a minimum. Preheating is required for some applications and bronze brazing flux is required for the bare rods.

TYPICAL WIRE CHEMISTRY (%)

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AWS Spec

Cu

56.0-60.0

Zn

Bal.

Sn

0.80-1.10

Fe

0.25-1.20

Mn

0.01-0.50

Si

0.04-0.15

Pb

0.50 max.

Al

0.01 max.

Typical mechanical properties of weld metal (C02 shielding gas)

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AWS Spec

Yield Strength (psi)

N/A

Ultimate Tensile Strength (psi)

60,000-68,000

Elongation in 2" (%)

N/A