Heavy Barrel Long Weld Neck Flange - manufacturer, factory, supplier from China

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...
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...
Working principle and application industries of semi-welded plate heat exchanger
Semi-welded plate heat exchangers are specially provided for heating and cooling of corrosive media. They are widely used in ammonia refrigeration, sulfuric acid, caustic soda, petrochemical,...
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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