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冷镦钢 硬度:125~245 HV30
其他材料由供需双方协议 |
槽的形状由制造者任选 |
Plain, i.e. pins to be supplied in natural finish, treated with a protective lubricant, unless otherwise specified by agreement between customer and suppller.
Preferred coatings are black oxide, phosphate coating or zinc plating with chromate conversion coating (see ISO 9717 and ISO 4042).
其他表面镀层由供需双方协议;
所有公差仅适用于涂、镀前的公差 |
不允许有不规则或有害的缺陷 |
ISO 3269 |
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