How do you add welding powder? Specific how to operate? Ask elder brothers to help!
Is used for brazing, you also need to understand the specific operation
For brazing, welding to powder preheating, such as pipe burning after welding, so simpleAskWith the flat or round rodI use flat welding rod to heat the sticky powder. Why not stick it? Shall we use round welding rod?Chasing the answerRound, flat, called silver electrode, welded copper tube
My home two days ago on the repair of the refrigerator, but also welded copper pipe, the compressor is broken, to change, I see the master is used, the flame of the gun operation
