How to distinguish welding defects? How to verify?

Time:2023-10-07 Views:417
How to distinguish welding defects? How to verify?
(1) The weld size does not meet the requirements, such as the weld seam being too high, too wide, too narrow, the height difference being too large, and the transition from the weld seam to the base metal not being smooth.

(2) Welding surface defects: such as undercut, overlap, concave, overflow, incomplete penetration, surface pores, surface cracks, etc.

(3) Internal defects in the weld seam: such as porosity, slag inclusion, cracks, incomplete fusion, tungsten inclusion, incomplete penetration of double-sided welding, etc.

(4) The performance of the welded joint does not meet the requirements: due to overheating, burning, and other reasons, the mechanical properties and corrosion resistance of the welded joint are reduced.


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