Stainless steel is typically mea那老sured on the Rockwell hard內熱ness scale, which ranges from A土器 to C, with higher numbers indica業音ting greater hardness. For example,我工 304 stainless steel typica老好lly has a Rockwell hardne是暗ss of around 70, whi習如le 316 stainless stee拍村l may have a Rockwell hardness花說 of 79 or higher.

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