15kg 0.8mm COBRA ER70S-6 Mild Steel MIG Welding Wire

$99.00

Product Introduction

COBRA ER70S-6 mild steel MIG welding wire is ideal for professional welding, suitable for general steel construction, sheet metal, pressure vessels, structural and pipe welding. It handles dirty steel well with smooth bead appearance due to high silicon content.

Specifications

Grade ER70S-6
Diameter 0.8mm
Weight 15kg
Spool OD/ID 300mm/51mm
Brand COBRA
SKU: a57a60187bf6 Categories: , ,
Description

15kg – 0.8mm COBRA ER70S-6 Mild Steel MIG Welding Wire Spool

Core Specifications

Grade ER70S-6
Diameter 0.8mm
Spool Weight 15kg
Spool Outside Diameter 300mm
Spool Inside Diameter 51mm
Standard Bore 52mm
Brand COBRA
Part Number MS.8C
Equivalent Model Cigweld 720114
Key Alloys High Manganese & Silicon

Product Description

COBRA ER70S-6 is a premium mild steel MIG welding wire designed for professional-grade performance. Trusted by Australian welders for decades, this 0.8mm diameter wire delivers consistent, high-quality welds even on contaminated or dirty steel surfaces. Its advanced formulation ensures smooth bead appearance and reliable penetration, making it ideal for both industrial and workshop applications.

Core Advantages

  • Superior Weld Quality: High silicon content enhances weld pool fluidity for smooth, aesthetically pleasing beads
  • Versatility: Performs excellently on mild steel with minimal pre-cleaning requirements
  • Industry-Proven: Backed by COBRA’s legacy in Australian welding technology
  • Consistent Feeding: Optimized spool design ensures trouble-free wire feeding
  • Cost-Effective: Reduces rework through reliable performance on challenging materials

Applications

Perfect for general steel construction, sheet metal fabrication, pressure vessel manufacturing, structural welding, and pipe welding. Ideal for both professional fabricators and serious hobbyists seeking industrial-grade results.

Performance Highlights

The ER70S-6 formulation provides excellent arc stability and reduced spatter. Its higher manganese content ensures strong, ductile welds with excellent mechanical properties. The 0.8mm diameter offers precise control for thin to medium gauge steel applications.

Quality Assurance

Manufactured to rigorous industry standards, COBRA welding wire undergoes strict quality control processes. Each spool is carefully inspected to ensure consistent diameter, winding tension, and chemical composition, guaranteeing reliable performance in critical applications.

Differentiation

Unlike standard S2/S4 wires, COBRA ER70S-6 contains elevated manganese and silicon levels that:

  • Improve welding performance on contaminated surfaces
  • Enhance weld fluidity for better bead formation
  • Provide superior arc stability across varying currents

FAQ

Q: What thickness range is this wire suitable for?
A: Optimal for 1-8mm mild steel thicknesses with appropriate amperage settings.

Q: Can this wire be used with all MIG welders?
A: Compatible with standard MIG welders using 52mm bore spool holders.

Q: Is pre-cleaning required before welding?
A: While performance on dirty steel is improved, best results occur with proper surface preparation.

Q: What shielding gas is recommended?
A: Ideal for use with 80/20 Argon-CO2 or 90/10 Argon-CO2 mixtures.

Interested in bulk pricing or technical support? Contact our team for personalized assistance with your welding requirements.

Shipping and Delivery

Packaging & Transportation

Weldsuper Nozzles

Weldsuper nozzles are precision parts that require professional protection.
 
Each nozzle is individually vacuum-sealed and fixed with shock-absorbing foam to avoid collision, dust and moisture.
 
Sturdy outer packaging with clear fragile marks is used for safe transportation.
 
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