ELECTRODE, 2.5MM, AUSTARC 77, 2.2KG

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.

Typical 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.

Applications:

• Turbines
• Repair and Maintenance
• Pressure Vessels
• Heavy Girders
• Earth Moving Plants

Processes:

• SMAW
• MMAW

Classification:

• AS/NZS 4855-B – E49 18-1 A U H5
• AWS A5.1: E7018-1 H8

Specifications:

Typical All Weld Metal Chemical Analysis

• C: 0.06
• Mn: 1.40
• Si: 0.36
• P: 0.015
• S: 0.006
• Fe: Bal

Typical All Weld Metal Mechanical Analysis

• Yield Strength: 455 Mpa
• Tensile Strength: 534 MPa
• Elongation: 30%
• CVN Impact Values: 123J @ -50°C