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The role of ultrasonic flaw detection in non-destructive testing of welding quality
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...
Introduction to Argon Arc Welding Technology
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...
Welding inspection methods
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...
10 common welding methods
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...

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