5kg 0.9mm COBRA ER70S-6 Mild Steel MIG Welding Wire
$59.90
Product Introduction
COBRA ER70S-6 mild steel MIG welding wire, a trusted brand in Australian welding, offers versatile performance for general steel construction, sheet metal, pressure vessels, structural and pipe welding. Its high manganese and silicon content ensures quality welds even on dirty steel, with smooth bead appearance from increased weld pool fluidity.
Product Parameters
| Grade | ER70S-6 |
| Diameter | 0.9mm |
| Weight | 5kg |
| Spool Bore | 52mm |
| Brand | COBRA |
5kg – 0.9mm COBRA ER70S-6 Mild Steel MIG Welding Wire Spool
Designed for professionals and enthusiasts alike, COBRA ER70S-6 Mild Steel MIG Welding Wire delivers exceptional performance in every weld. As a leading brand with deep roots in the Australian welding industry, COBRA ensures reliability and precision, making it the top choice for achieving professional-grade results even on challenging materials.
Core Specifications
| Grade | ER70S-6 |
| Diameter | 0.9mm |
| Spool Weight | 5kg |
| Spool Outside Diameter | 300mm |
| Spool Inside Diameter | 51mm |
| Bore Size | Standard 52mm |
| Brand | COBRA |
| UNIMIG Part # | MS.9B |
| Equivalent to | Cigweld 720090 |
| Key Alloys | High manganese & silicon content |
Core Advantages
Engineered with higher manganese and silicon levels than S2/S4 wires, this wire excels in welding dirty or contaminated steel (note: clean materials are still recommended for optimal results). The high silicon content enhances weld pool fluidity, creating smooth, aesthetically pleasing beads with minimal spatter. Its versatility makes it ideal for both novice and experienced welders seeking consistent, high-quality outcomes.
Applications
- General steel construction
- Sheet metal fabrication
- Pressure vessel manufacturing
- Structural welding projects
- Pipe welding applications
Performance Highlights
COBRA ER70S-6 wire ensures stable arc ignition and steady feed, reducing downtime and improving efficiency. Its low fume emission and excellent bead appearance make it suitable for both indoor and outdoor use. The 5kg spool size balances portability with extended welding sessions, perfect for workshops and job sites.
Quality Assurance
Backed by COBRA’s legacy of excellence, this wire meets rigorous industry standards. Each spool undergoes strict quality control to ensure consistent diameter, alloy composition, and weld integrity, guaranteeing reliable performance every time.
Differentiation
Unlike standard mild steel wires, COBRA ER70S-6 offers superior tolerance to surface contaminants, making it a practical choice for real-world welding scenarios. Its Australian heritage ensures adherence to global quality benchmarks, outperforming generic alternatives in durability and weld consistency.
FAQ
Q: What materials is this wire compatible with?
A: Ideal for mild steel, including low-carbon and medium-carbon steels.
Q: Can it be used with all MIG welders?
A: Yes, compatible with standard MIG welding machines with 0.9mm drive rolls.
Q: Does it require special shielding gas?
A: Recommended for use with argon-carbon dioxide (CO?) mixtures (e.g., 80/20 Ar/CO?).
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