The ASME IX (ASME 9) codes and approval designate specific standards for welding process, as follows:
Gas Metal Arc Welding (MIG/MAG) – Designation: OFW
Flux Cored Wire – Designation: GMAW
Gas Tungsten Arc Welding (TIG) – Designation: GTAW
Plasma Arc Welding – Designation: PAW
Oxyfuel Gas Welding – Designation: OFW
Shielded Metal Arc Welding (MMA) – Designation: SMAW
Submerged Arc Welding – Designation: SAW
Visit the Artec Engineering Ltd website for more information on Coded Welders in Emsworth, Hampshire, UK