Profile: National Welders Supply Co., Inc. manufactures & distributes cryogenic, industrial, medical, specialty, and refrigerant gases. We offer welding & industrial supplies, robotic, laser & cutting machine automation, safety supplies and various other services. The SA-250 welder provides constant current output for stick welding and DC TIG welding with a scratch start. The SA-250 also provides 3 KVA of 115/230V, 60Hz, AC generator power for lights, power tools, and many other applications. We offer various gas equipment including cylinder carts & stands, cutting machines, cutting & welding torches, oxygen lance holders & bars, hoses & fittings, specialty gas equipment, welding outfits and regulators.