1. Electrode arc welding Welding rod arc welding is a process that uses a stable burning arc established between the welding rod and the workpiece to melt the welding rod and the workpiece to obtain...
Argon arc welding is a welding technology that uses argon as a protective gas. Also called argon gas shielded welding. It is to pass argon protective gas around the arc welding to isolate the air...
1. Renovation of the detection surface: Spatter, oxide scale, pits and rust on the welding working surface should be removed. The smoothness is generally lower than ▽4. The trimming width of the flaw...
1. Destructive testing
(1) Mechanical property experiments include tensile tests, hardness tests, bending tests, fatigue tests, impact tests, etc.;
(2) Chemical analysis tests include chemical...
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