Heat Input
Heat Input (KJ/mm or KJ/inch) =
| Welding Process | Thermal Efficiency |
|---|---|
| Tungsten inert gas (TIG) / gas tungsten arc welding (GTAW) | 0.6 |
| Plasma arc welding (PAW) | 0.6 |
| Metal inert/active gas (MIG/MAG) / gas metal arc welding (GMAW) | 0.8 |
| Flux cored arc welding (FCAW) / Metal cored (MCAW) | 0.8 |
| Manual metal arc welding(MMA)/shielded metal arc (SMAW) | 0.8 |
| Submerged arc welding (SAW) | 1 |
