... 25 mm, stiffness moderate, make wire homogeneous continuous sent to torch inside, tensile strength was 930 mpa, relaxation or 250 ... produce small portable inverter arc welding machine, dc inverter arc welding machine, dc argon arc welding machine, dc inverter and argon arc ... mm, stiffness moderate, make wire homogeneous continuous sent to torch inside, tensile strength was 930 mpa, relaxation or 250 ...