... resistance, resistance to cracking skin red. Can be ac/dc.Application:used for welding work temperature below 300 ... Mpa)A(%)Guarantee value≥550≥35Welding reference current:(AC/DC) Electrode diamete(mm)2.53.24.05. ... .2. Use as far as possible, because ac dc current, when welding penetration is shallow,3. ... kill. Do not permit electrically live parts or electrodes to contact skin, clothing or gloves if ...