As one of the professional China tungsten electrode manufacturers and suppliers, Hanz Material Technology is able to supply you with high quality tungsten electrode. Welcome to make contact with us.Product Standard: ISO 6848 ANSI/AWS A5.12/A5.A2M-98 Size:Diameter: 0.5~25mmLength: 150mm, 175mm, 178mm and any other length at customer's request.Recommended Tungsten Electrodes for Various Welding Currents:Diameter of ElectrodeDC(A)AC(A)inmmStraight Polarity(-)Reverse Polarity(+)Unbalanced WavesBalanced Waves0.04"1.015~8010~8020~601/16"1.660~15010~1850~12040~1000.079"2.0100~20012~2070~16060~1303/32"2.4150~25015~2580~20080~1501/8"3.2220~35020~35150~270120~2005/32"4.0350~50035~50220~350170~2603/16"4.8420~65045~65240~420220~3401/4"6.4600~90065~100360~560250~450