TATA MIG WIRE (CO2 SPOOL) ER70S-6 is a carbon steel solid wire designed for Gas Metal Arc Welding (GMAW/MIG) applications. Manufactured by Tata Steel, this wire is widely used in industries such as automotive, construction, and heavy fabrication due to its high weld quality, smooth arc performance, and minimal spatter 31215.
2. Key Features
Material Composition:
C-Mn steel with copper coating for smooth wire feeding and corrosion resistance 12.
Higher deoxidizers (Si, Mn) than ER70S-3, improving wetting and bead shape 7.
Performance:
Low spatter and easy slag removal 7.
Radiographic quality welds with excellent mechanical properties 12.
Compatibility:
Works with 100% CO₂ or Argon-CO₂ mixes (e.g., 80% Ar / 20% CO₂) 312.
3. Technical Specifications
| Attribute | Details |
|---|---|
| AWS Classification | ER70S-6 (conforms to AWS A5.18, ASME SFA 5.18) 712. |
| Diameter Options | 0.8 mm, 1.0 mm, 1.2 mm 312. |
| Spool Sizes | 12.5 kg (0.8 mm), 15 kg (1.2 mm) 312. |
| Tensile Strength | 500–680 MPa (varies with shielding gas) 12. |
| Elongation | 22–24% (minimum) 12. |
4. Applications
Automotive: Body panels, frames, and exhaust systems 15.
Construction: Structural steel, beams, and heavy fabrications 12.
Shipbuilding & LPG Cylinders: High-strength welding for pressure vessels 12.
Robotic Welding: Suitable for automated and semi-automatic setups 12
