Austarc® 77 Iron Powder Hydrogen-Controlled Electrodes – 2.5mm, 2.2kg Pack (7725)
The Austarc® 77 2.5mm electrode is a high-performance iron powder, hydrogen-controlled welding rod designed for critical positional welding applications. It delivers smooth arc performance, high ductility, and X-ray quality welds, suitable for sub-zero temperature conditions down to -50°C. Perfect for repair, maintenance, and heavy industrial fabrication, it ensures strong, reliable welds on highly restrained or heavy steel components.
Key Features
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Hydrogen-controlled for low diffusible hydrogen
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Iron powder enhanced for high deposition rate and smooth running
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X-ray quality welds with excellent ductility
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Suitable for AC and DC welding
Typical Applications
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Pipe spooling and pressure vessels
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Turbines and heavy girders
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Earth-moving, mining, and petrochemical equipment
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On-site maintenance and industrial repair
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Structural steel and engineering fabrication
Specifications
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Diameter: 2.5 mm
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Pack Size: 2.2 kg
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Welding Positions: All positions except vertical down
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Sub-Zero Capability: -50°C impact resistant
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Power Source Compatibility: AC/DC
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Part Number / SKU: 7725



