Stainless steel composition process-Austenitic steel，it has good weldability and is non - magnetic all - austenite. In the annealed state, they are characterized by maintaining very high toughness values even at very low temperatures. They tend to have high workhardening capacity, especially high carbon content. Some of the microstructure can be converted into deformed martensite. All austenitic steels are prone to thermal cracks during welding. In many austenitic materials, the chemical composition is adjusted to increase the delta ferrite content in the welded metal to 10%, thus reducing the formation of thermal cracks. Therefore, many steels called austenite may contain ferrite or martensite content in their structure, depending on their mechanical or heat treatment.
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