... buy. Application: suitable for ship steel (A, B, D, E, A36, D36, E36) and the same grade strength of low alloy steel ... portable inverter arc welding machine, dc inverter arc welding machine, dc argon arc welding machine, dc inverter and argon arc combination machine, mig gas shielded ... buy. Application: suitable for ship steel (A, B, D, E, A36, D36, E36) and the same grade strength of low alloy steel ...