MIG/ MAG welding filler wire to IRS- M46- 2020 solid, Class- Vl, wire size- 1. 2 mm Grade ER308L as per spec- AWS A5. 9/ 5. 9M: 2017 net weight per spool not more than 12. 50 kg. Make- GMM MIG- 308L Modi or equivalent, Classic, Usha, Asian or similar.