ER70S6 Welding Wire China Factory | Premium Carbon Steel Gas Shielded Arc Welding Suppliers
High-performance ER70S-6 500MPa carbon steel welding wire from a leading China factory. Ideal for CO2 or 80%Ar 20%CO2 shielding, offering low spatter, high cladding efficiency, and all-position versatility. Contact professional suppliers for superior weld quality.
About this product
Product information from the supplier.
The ER70S-6 Welding Wire is a premium 500MPa level carbon steel filler material specifically engineered for high-performance gas shielded arc welding. Designed for versatility, it is perfectly compatible with CO2 or mixed gas (80% Ar + 20% CO2), ensuring a stable arc and exceptional cladding efficiency. This professional-grade wire is optimized for all-position welding, delivering a clean, aesthetically superior weld with minimal spatter and low porosity sensibility.
To ensure maximum durability and electrical conductivity, our ER70S-6 wire features a high-quality copper coating. This essential layer not only prevents surface oxidation and rusting in humid environments but also significantly reduces friction and wear on the contact tip, extending the lifespan of your equipment. Whether you are working with thin, medium, or thick plates, this welding wire provides a cost-effective solution with low power consumption and superior crack resistance.
Detailed Parameters
| Material Grade | 500MPa Carbon Steel | AWS Classification | ER70S-6 |
|---|---|---|---|
| Shielding Gas | CO2 or Ar+CO2 (80%Ar + 20%CO2) | Welding Positions | PA, PB, PC, PD, PE, PF |
| Surface Treatment | Premium Copper Plating | Application Range | Thin, Medium, and Thick Plates |
| Key Properties | Low Hydrogen & Low Nitrogen | Performance | High Cladding Efficiency |
| Arc Stability | High Stability / Fast Melting | Weld Appearance | Smooth / Low Spatter |
Key Advantages
Anti-Corrosion Coating
High-grade copper plating prevents rust and prolongs shelf life, ensuring reliability in various atmospheric conditions.
High Efficiency
Fast melting speed and high production efficiency combined with low power consumption to reduce operational costs.
Superior Weld Quality
Produces beautiful weld shapes with minimal spatter and low sensitivity to weld metal porosity.
All-Position Versatility
Engineered for flawless performance across PA, PB, PC, PD, PE, and PF welding positions.
Crack Resistance
Very low hydrogen and nitrogen content ensures strong joints with minimal deformation after welding.
Low Friction Flow
The smooth surface reduces contact resistance and wear on the contact tip, enhancing delivery silkiness.
Product Gallery





Management Platforms
Raw Material Control
Strict auditing of carbon steel feedstock to ensure chemical purity and 500MPa strength consistency.
Advanced Production
Utilizing cutting-edge drawing and coating technology for uniform diameter and precise plating.
Quality Inspection
Rigorous finished product testing for arc stability, spatter levels, and mechanical properties.
Process Optimization
Continuous refinement of the copper plating process to maximize electrical conductivity.
Inventory Management
Controlled storage environments to maintain the integrity of the anti-oxidation copper layer.
After-Sales Support
Professional technical guidance for optimizing gas mixtures and welding parameters.
Investment Return Comparison
| Performance Metric | Standard Carbon Wire | ER70S-6 Premium Wire |
|---|---|---|
| Spatter Level | Moderate to High | Ultra-Low |
| Contact Tip Life | Standard Wear | Extended (Low Friction) |
| Welding Speed | Baseline | High (Fast Melting) |
| Post-Weld Cleanup | Significant Grinding | Minimal Finishing |
| Operational Cost | Standard | Low (Energy Efficient) |
Frequently Asked Questions
The copper plating serves three main purposes: it prevents the steel wire from rusting, reduces friction to prolong the life of the contact tip, and enhances electrical conductivity for a more stable arc.
It is designed for use with 100% CO2 or a mixed gas consisting of 80% Argon and 20% CO2 for improved weld appearance and reduced spatter.
Yes, it provides excellent process performance in all positions, including PA, PB, PC, PD, PE, and PF.
Due to its very low hydrogen and nitrogen content, the ER70S-6 wire offers superior crack resistance and results in minimal deformation after the welding process.
Absolutely. It has a wide application range, making it suitable for welding thin, medium, and thick carbon steel plates.
It combines low power consumption, high production efficiency, and reduced need for post-weld grinding, significantly lowering the overall cost per weld.
Ready to Upgrade Your Welding Efficiency?
Contact UsNeed a quick quotation for ER70S-6? Chat with us on WhatsApp or email info@steeltoolschina.com.
See the full ER70S-6 MIG welding wire range, or browse all copper coated welding wire.



