Mr TIG is now FastArc! We are no longer trading as Mr TIG, but we are still the same team, bringing you the same trusted quality, premium brands, and expert service under a new, FastArc name.
| COMPOSITION | VALUE |
| Carbon | 0.07 – 0.15 % |
| Manganese | 1.4 – 1.85 % |
| Silicon | 0.8 – 1.15 % |
| Sulphur | 0.035 % Max |
| Phosphorous | 0.03 % Max |
| Copper | Typical 0.18 % 0.4 % Max |
| MECHANICAL ( with CO₂ ) | AS WELDED |
| 0.2% Proof stress | 430 MPa min |
| Tensile strength | 510 – 570 MPa |
| Elongation on 50mm | 26 min |
| Charpy V-Notch at +20°C | 110 J min |
| Charpy V-Notch at 0°C | 80 J min |
| Charpy V-Notch at -20°C | 47 J min |