Austarc® 16TC Hydrogen-Controlled Electrodes – 2.5mm, 12.5kg Carton (16TC25C)
The Austarc® 16TC 2.5mm is a premium hydrogen-controlled, twin-coated welding electrode designed for all positional welding (except vertical down). Manufactured with a unique twin-coating extrusion process, it delivers exceptional arc stability, smooth running, and precise weld control. Ideal for carbon, carbon-manganese, and low alloy high-strength steels, it produces high-quality, notch-tough weld deposits even in sub-zero temperatures down to -40°C.
Key Features
Hydrogen-controlled for low diffusible hydrogen deposits
Twin-coated design concentrates arc-stabilizing elements for superior arc control
Smooth running and reliable on AC and DC power sources
Delivers high-quality welds with excellent notch toughness
Suitable for sub-zero applications down to -40°C
Typical Applications
Pipe welding and single-sided weld joints
Highly restrained structural steel joints
Maintenance and repair of heavy steel components
Buffer layer prior to hard surfacing build-up
Structural steel and critical fabrication projects
Specifications
Diameter: 2.5 mm
Pack Size: 12.5 kg carton (5 × 2.5 kg packs)
Welding Positions: All positions except vertical down
Sub-Zero Capability: -40°C impact resistant
Power Source Compatibility: AC/DC
Part Number / SKU: 16TC25C




