... Parting line, Chips & Pin holes. 2.Advantages: No Pits, No Distortion. SZ-08 Best surface overlaying electrode welding machine / Electrical spark ... The temperature of the spark point is approximately 25,0000°C, however, no heat accumulation occurs during diffusion and deposition ... material, only contact area temperature will be approximately 25,0000°C. 3. Transfer: transfers a small quantity of the ...