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
Hydrogen-controlled for low diffusible hydrogen
Iron powder enhanced for high deposition rate and smooth running
X-ray quality welds with excellent ductility
Suitable for AC and DC welding
Typical Applications
Pipe spooling and pressure vessels
Turbines and heavy girders
Earth-moving, mining, and petrochemical equipment
On-site maintenance and industrial repair
Structural steel and engineering fabrication
Specifications
Diameter: 2.5 mm
Pack Size: 2.2 kg
Welding Positions: All positions except vertical down
Sub-Zero Capability: -50°C impact resistant
Power Source Compatibility: AC/DC
Part Number / SKU: 7725




