Interpretation of welded pipe welding residual stress relief
Welding residual stress refers to the temperature difference inside the weldment caused by heating and cooling during welding, which leads to inconsistent deformation and internal stress. Welding residual stress causes deformation, cracking and other welding defects. Welding residual stress can break the weld, and also lead to unacceptable deformation of the workpiece, leading to structural brittle fracture, corrosion resistance and tensile residual stress, Reduce fatigue strength and stability limit.
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