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Home > welding rods > Electrode wear welding defects
Electrode wear welding defects
2013-05-07 by xiugai

1, Welding Supplies the appearance of defects: the appearance of defects (surface defects) means without the aid of instruments, the defect can be found from the surface of the workpiece. The common cosmetic defects have undercut, weld flash, dents and welding deformation, and sometimes the surface porosity and surface cracks. The root of the single-sided welding incomplete penetration and so on.
2, porosity and slag
A stomatal pores welding, the gas in the molten pool did not escape before the solidification of the metal remaining in the hole formed in the weld. Gases may be melting slag slag welding refers to the phenomenon of slag remaining in the weld.
3, Mig Welding Rod the cracks in the weld atom bonded destroyed, generating a new interface is formed a gap called crack.
Lack of penetration is not penetration unmelted base metal, weld metal into joints roots.
5 unfused unfused unmelted combined defects in the weld metal and the base metal material, or between the weld metal. Its where the location, lack of fusion can be divided into the groove lack of fusion, lack of fusion root incomplete fusion of three layers.



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