Different metal materials can be joined together by welding, if it is a different material of metal can be welded? For example, can stainless steel and copper be welded?

First. can you weld copper to stainless steel

1. stainless steel and copper can be welded together, but pay attention to the welding method, and choose the correct electrode, pay attention to the choice of wire, electrode, depends on the size of the copper tube, including its structural size, welding requirements, and so on. If the diameter of the copper is smaller than 20 mm, it can be welded by high-frequency brazing method.

2. The selected electrode can be welded using the electrode of 202B, and the heating can be done with a flame. This kind of copper tube is self-brazing, so there is no need to add coarse flux, because its melting point is relatively low, but the brittleness is slightly stronger.

3. want to weld stainless steel and copper together, the strength requirements are still relatively high, the melting point needs to be close to 202B, you can choose 203-f welding wire, can achieve better permeability. And there are some requirements in toughness and strength, the temperature is slightly higher, you can choose brass gas welding wire, but when welding, you need to add 201-F flux for welding.

Second. what are the skills of welding?

1. if it is a novice in the welding, the hand movement must be kept stable, and the arms should be tightened to prevent the problem of shaking, so as to ensure that the welding gap is uniform and beautiful.

2. and the selection of welding electrode also needs to combine the performance characteristics of metal materials, stainless steel materials, if the electrode selection is not correct, it will affect the welding results.

3. if you need to replace the electrode, to move to the end, pause a little, and then raise the arc and then lead to the edge of the base material, this time will gradually shrink, after solidification, not easy to appear defects.