... are widely used as welding tools in AC and DC welding machine , M.I.G.welding machine , argon arc welder ,tig ... .2. model type: YH 0.17×780 conductor: stranded copper wire and External insulation around the ester jacket : natural rubber 3. ... choose the material of conductor and jacket ,nominal cross sectional area , thickness of conductor , maximum outside diameter. copper or cca welding cable