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标准与认证

ASTM A240 与 A480 必须一起用吗

王王质检·11/5/2026, 1:59:13 AM👁 132

采购合同只写了 A240，表面和公差要求没写清。是不是要补 A480？

#ASTM#标准#合同

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Replies (1)

赵

赵标准11/7/2026

A240 是材料，A480 是通用要求（尺寸/表面/公差）。合同只写 A240 时，默认通用要求没约束，容易扯皮。