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NO.4 stainless steel sheets
NO.4 is a kind of surface polishing treatment process. Polishing and finishing of stainless steel sheet with a grinding material with a particle size of 150 ~ 180 as specified in GB 2477.
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BA stainless steel sheets
Bright annealing is a surface processing technology, mainly after the annealing in a confined space, the temperature is slowly lowered in the confined space by at least 500 degrees and then naturally cooled, there will be brightness so as not to cause decarburization.
