Austarc 77
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.
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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
Applications
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.