H10Mn2 is a carbon structural steel copper plated submerged arc welding wire.
H08Mn2SiA is a carbon structural steel submerged arc welding wire. By using fluxes SJ101, SJ201, SJ501, HJ431, etc.
H08MnMoA is a low alloy high-strength steel copper plated submerged arc welding wire.
H08CrMoA is a copper plated welding wire for heat-resistant steel, combined with flux SJ101, etc.