MIG Wires
SUPERLINK MIG-309
A copper-coated solid MIG wire for GMAW welding. ER309L type. Produces a stable spray/globular arc with low spatter, smooth bead profile, and self-releasing slag (for SS types). Suitable for single and multi-pass welding. Use Ar + CO₂ or pure Ar shielding gas.
Technical specifications
| C | Cr | Ni | Mn | Si |
|---|---|---|---|---|
| ≤0.12% | 23.0–25.0% | 12.0–14.0% | 1.0–2.5% | 0.30–0.65% |
| Tensile strength | ≥510 MPa |
|---|---|
| Yield strength | ≥345 MPa |
| Elongation | ≥30% |
| Diameter |
|---|
| 0.8mm |
| 0.9mm |
| 1.0mm |
| 1.2mm |
Welding procedure & parameters
DCEP. SS types: shielding gas 100% Ar or 98% Ar + 2% O₂. MS types: 75–80% Ar + 20–25% CO₂ or 100% CO₂. Wire dia: 0.8, 0.9, 1.0, 1.2mm. Voltage: 18–26V. WFS: 4–14 m/min. Short circuit or spray transfer mode.
Typical applications
Dissimilar steel welding (CS to SS), cladding overlay on carbon steel, buffer layer for 316L cladding.
Storage & handling notes
Store sealed/dry. For SS wires: use 100% Ar or Ar+O₂ only — CO₂ degrades corrosion resistance. Ensure clean base metal.
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