What are the causes of cracks in the shell of tower equipment?
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What are the causes of cracks in the shell of tower equipment?
1. Corrosion occurs. 2. Stress variation.
Reasons for occurrence: 1. Operating in a low-temperature environment without using low-temperature steel, or using such steel but failing to carry out heat treatment as required for it； 2. Improper material selection ； 3. Corrosion ； 4. Low quality of material heat treatment
Corrosive media, selection of base materials, selection of welding materials, the effect of post-weld heat treatment in eliminating stress, and so on.
Corrosive media, stress corrosion, selection of base materials, selection of welding materials, the effect of post-weld heat treatment in reducing stress, and so on.
Answer: 1. Excessive deformation of the equipment casing. 2. Internal stresses generated by welds or rivets. 3. The head material was bent without being annealed, or although it was annealed, the bending radius was too small. 4. Impact from liquid media. 5. Defects in the casing material.
Stress relief, corrosion, welding quality, weld material properties, heat treatment, defects in equipment materials,
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