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材料		钢
通用技术条件		GB/T 32076.1
硬度	范围	345HV~445HVa
公差	产品等级	C
公差	标准	GB/T 3103.3
表面处理		不经处理；非电解锌片涂层技术要求按 GB/T 5267.2；热浸镀锌技术要求按 GB/T 5267.3；如需其他技术要求或表面处理，应由供需协议b
表面缺陷		表面不得有不规则的或有害的缺陷，表面不得有突出的毛刺
验收及包装		GB/T 90.1、GB/T 90.2
a 热浸镀锌垫圈硬度范围为：270HV~445HV。 b 在不影响机械性能的条件下，供需协议可使用其他涂镀层。不允许使用镉或镉合金镀层。

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