... deep hole, crack, stainless steel plate cold welding machine, portable laser welding machine Technical Parameters Input power: Single phase.AC.220VPower ... . After repairing / welding, all mould can be used for all kinds of mechanical processing, thermal treatment and nitrogen treatment ... , abrasion, scratch, oversize, et Characters of SZ-1200 for welding1. Small heat affected zone while welding 2. No ...