ERCuSi-A Bronze Alloy Welding Wire

Specifications

AWS A5.7 / ASME SFA5.7 Class ERCuSi-A

Typical Chemical Composition Typical Mechanical Properties

Copper * Balance Tensile Strength 50,000 psi, min.

Zinc 1.0 max. Elongation, in 2 in. 65%

Tin 1.0 max. Brinnell Hardness 80 to 100

Manganese 1.5 max.

Iron 0.5 max.

Silicon 4.0 max.

Aluminum 0.01 max.

Lead 0.02 max.

Others 0.50 max.

*includes Silver

Gas Selection

GTAW 100% Helium 40-45 cfh GMAW 100% Argon 45-55 cfh

100% Argon 40-45 cfh