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4 Welding Defects. Lack of fusion is the failure to fuse together either the base metal and weld metal or subsequent beads in multipass welding because of failure to raise the temperature of base metal or previously deposited weld layer to melting point during welding. External Welding Defects.
Mechanical Engineering Different Types Of Welding Defects from mechanicalinventions.blogspot.com
There are a range of weld defects that affect submerged arc welding. Toe s Root a Cold or delayed Underbead and Heat-affected zone For all your welding. All you have to do is finish filling the weld joint until it is flush or below the maximum allotted weld reinforcement depending on material and thickness.
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Ad Improve Your Business ROI - Get A Better Deal On Welding Helmet. Underfill is probably the best welding discontinuity you could have. Hydrogen embrittlement Solidification cracking Pores and pinholes Poor impact strength Undercutting Slag inclusions Uneven weld beads Hydrogen embrittlement. External Welding Defects.
