WebMar 20, 2024 · Cold cracks e.g. delayed cracking, fatigue cracks. Hot Crack e.g. Solidification cracking. Hot cracking appears at the solidification stage of the welding. The main reason for hot cracks is the lack of ductility at elevated temperatures. Hot cracking is found mostly at the center of the weld as, during solidification, this is the area that ... WebApr 20, 2015 · If damage is widespread, replace all affected metal with new metal to match existing or substitute compatible metal. For Cracked Sealant: Remove sealant. Clean metal using a solvent such as mineral spirits. Check width of joint to make sure it is at least 1/4 inch wide. If is less than 1/4 inch, carefully move the metal edges to allow a 1/4 ...
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Weld Cracking - Lincoln Electric
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