Austarc 77

Smooth running basic type iron powder electrode used for all positional welding except vertical down. This electrode is used where the highest standards are required. Weld features include high ductility, x-ray quality and sub zero temperature impact to -50°C.

Technical Data

Typical All Weld metal chemical Analysis

C: 0.05

Mn: 1.28

Si: 0.30

S: 0.011

P: 0.022

Fe: Bal

Typical All weld metal Mechanical Analysis

Yield Stress; 455 MPa

Tensile Strength: 24%

CVN Impact Values: 123J @ -50°C



For critical welding applications including repair and maintenance of heavy plate and highly restrained work pieces such as penstocks, turbines, pressure vessels, heavy girders, earth moving plants etc.