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...
Plate heat exchanger plates are divided into two types: unilateral flow and diagonal flow according to the flow form of the heat exchange medium. Correspondingly, the plate heat exchanger sealing...
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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