Analysis of the strength of cutting ring tube fitting
Cutting ring tube fitting to a joint where two or more parts are to be combined by welding. Or refers to a joint where two or more parts are joined by the ferrule method, including the weld seam, the fusion zone and the heat affected zone.
The area where melting and solidification occurs in the ferrule is called the weld seam, which consists of the molten base material and the filler metal.
The strength of the cutting ring tube fitting is not low, but sometimes brittle fracture occurs in the extended weld or near seam area within a few months of use, and this phenomenon is more likely to occur in certain temperature environments. As the weld of stainless steel is heated at high temperatures for a period of time, the phenomenon of a decrease in impact toughness is called embrittlement.
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