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Usually domestic, we use stainless steel flange, it is the common lathe to produce the flange, there will be some positive and negative error. Therefore, people are called theoretical weight, at present, the domestic general use of theoretical weight as the flange standard. In addition, we can also
Austenitic stainless steel is softened by solid solution, the steel wire is generally heated to 950 around, heat preservation for a period of time, so that carbide and various alloying elements fully homogeneous dissolved in the Huaux, and then rapid quenching water cooling, carbon and other alloyin
