【求助】ANSI/NSF 51-2002 Food Equipment Materials

没有找到2002版的
有1997版和2012版，还有找到 一份粗译对照稿
关于不锈钢铬含量不得低于16%的要求在标准的4.2.1.2条里有提及
4.2.1 Stainless steel
4.2.1.1 Stainless steel used in food equipment shall be of a type in the:
- SAE 200 series alloys;
- SAE 300 series alloys; or
- SAE 400 series alloys. 9
4.2.1.2 When used in a food zone, stainless steel shall have a minimum chromium content of 16%. Stainless steel with a chromium content of less than 16% may be used for cutlery, blades, and similar applications requiring a sharp edge, provided that the alloy has been hardened or tempered by an appropriate post-heat treatment process.

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