... for wire steel wire rod ER50-6, AWS70S - 6 fully comply with international standards, the main chemical composition (%) ... arc welding machine, dc inverter arc welding machine, dc argon arc welding machine, dc inverter and argon arc combination machine, mig gas shielded welding, ac ... for wire steel wire rod ER50-6, AWS70S - 6 fully comply with international standards, the main chemical composition (%) ...