1kg – 2.4mm ER70S-4 Mild Steel TIG Filler Welding Wire | Premium Industrial Grade

Product Description

Hampdon Industrial’s ER70S-4 TIG filler wire delivers exceptional welding performance for mild steel applications. Engineered for low to medium surface contaminants like rust or mill scale, this premium wire offers superior cleaning action, fluid weld puddle control, and a flatter bead profile compared to standard S2 grade. Ideal for professional fabricators and industrial welders seeking consistent, defect-free results.

Core Selling Points

Performance Advantages

Our high-purity ER70S-4 wire eliminates common welding issues with exceptional flow characteristics, preventing cracks and fusion defects. The optimized alloy composition ensures stable arc performance and superior metallurgical bonding, making it perfect for critical structural and fabrication projects.

Applications

Designed for mild steel welding in manufacturing, construction, automotive repair, and industrial maintenance. Excellent for both thin and thick section joining where surface contaminants may be present.

Quality Certification

Each pack includes a batch number certificate of conformance, ensuring compliance with industry standards. Our rigorous production process guarantees consistent quality and performance with every rod.

Why Choose Our ER70S-4 Wire?

Unlike inferior wires, our product combines higher cleaning power with precise alloy control, delivering smoother welds with minimal post-processing. The individually marked rods ensure traceability, while the industrial-grade packaging protects wire integrity during storage and transport.

FAQ

Q: What thicknesses can this wire weld?
A: Ideal for 3-12mm mild steel sections with proper TIG technique.

Q: Is pre-cleaning required?
A: Effective on lightly rusted/mill scale surfaces, though heavy contamination still requires preparation.

Q: Compatible with DC TIG machines?
A: Yes, optimized for DCEN (direct current electrode negative) operation.

Request a Quote

For bulk pricing, technical specifications, or sample requests, contact our sales team today. As a leading Chinese manufacturer, we offer competitive factory-direct pricing and reliable global shipping.