How to avoid brittleness in cutting ring fitting?
Cutting ring fitting have greater strength, but if they are used in a high temperature environment, the Cutting ring fitting will become brittle. To avoid this phenomenon, we need to avoid using Cutting ring fitting in a high temperature environment as much as possible.
A cutting ring fitting refers 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 cutting ring method, including the weld seam, the fusion zone and the heat affected zone. The area where melting and solidification occurs in the cutting ring is called the weld seam, which consists of the molten base material and the filler metal.
Embrittlement of cutting ring fittings, the strength of cutting ring fittings is not low, but sometimes in less than a few months of use will be extended weld or near the seam area brittle fracture, this phenomenon is more likely to occur in the special temperature environment. As the weld of stainless steel is heated at high temperature for a period of time, the phenomenon of decreasing impact toughness is called embrittlement.
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