COBALARC MANGCRAFT HARDFACING ELECTRODE 4.0MM 5KG
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Availability: Low inventory, stocking up soon!
Product Code: 611504 | Brand: CIGWELD Cobalarc | Diameter: 4.0mm | Pack Weight: 5kg
Overview
The Cobalarc Mangcraft Hardfacing Electrode (4.0mm, 5kg) is a smooth-running, manual metal arc (MMA/stick) electrode engineered to deposit austenitic manganese steel weld metal. Purpose-built for rebuilding and reinforcing 11–14% manganese steel components, this electrode is a trusted choice among fabricators, mine site welders, and heavy equipment maintenance crews across mining, quarrying, construction, and agricultural industries.
Key Features
- Austenitic Manganese Steel Deposit – Matches the base composition of manganese steel castings for excellent metallurgical compatibility
- Smooth, Stable Arc – Consistent arc characteristics for clean, even weld beads even in less-than-ideal site conditions
- Work Hardens Under Impact – The weld deposit progressively hardens in service as it absorbs repeated impact loads, dramatically extending component life
- Tough & Impact Resistant – Retains ductility and crack resistance, making it ideal for high-shock, high-load applications
- AC/DC Versatility – Runs on both AC (minimum 45 OCV) and DC+/DC- polarity, suited to a wide range of welding machines including portable site units
- 4.0mm Diameter, 5kg Pack – A practical size and pack weight for workshop use, field repairs, and stock replenishment
Typical Applications
Cobalarc Mangcraft is specifically formulated for:
- Rebuilding worn austenitic manganese steel components back to original dimensions
- Applying a "buffer" or reinforcing layer prior to overlaying with a more abrasion-resistant hardfacing product
- Building up and repairing crusher jaws and mantles, impact hammers, excavator buckets and teeth, rail crossings and points, grizzly bars, dredge and dragline components, and other high-impact manganese steel wear parts
Why Choose Cobalarc Mangcraft?
Manganese steel is prized in high-impact environments because it work-hardens on the surface while remaining tough underneath. Standard mild steel electrodes can't replicate this behaviour and often crack or fail under repeated impact. Cobalarc Mangcraft is designed to match the parent metal's unique properties, ensuring rebuilt sections perform — and wear — just like the original casting, reducing downtime and repair costs on critical equipment.
Quick Specifications
| Attribute | Detail |
|---|---|
| Electrode Type | Austenitic Manganese Steel (Hardfacing) |
| Diameter | 4.0mm |
| Pack Weight | 5kg |
| Current Type | AC (45 OCV min) / DC+ / DC- |
| Manganese Content | 11–14% |
| Finish | Work hardens under impact; grind to finish (not machinable) |
Ideal for: mining and quarrying maintenance, crusher rebuilds, rail infrastructure, earthmoving and construction equipment repair, and any application involving worn manganese steel castings.
Note: Cobalarc Mangcraft is not recommended for multi-pass welding beyond a few layers on mild steel — for full abrasion-resistant overlays, pair with a suitable chromium carbide hardfacing product after building up with Mangcraft.
