汽车装饰物和配件上的镍和铬电镀标准

[中文适用范围]： 该文件已被宣布为“稳定”，并且将不再接受货币定期审查。用户负责验证参考资料和持续适用性或技术要求。新技术可能存在。该标准涵盖了对黑色或铜合金基体金属上的电沉积镍/铬涂层以及锌或铝合金上的铜/镍/铬的多种类型和等级的要求，用于机动车辆和船舶控制装置的装饰装饰和硬件的精加工和腐蚀保护和配件。提供了四种涂层等级，与使用条件相关，每种涂层都有望提供令人满意的性能，即：非常严重、严重、中等和轻微。附录 A 中提供了这些使用条件的定义和典型示例。本文件中包含的信息通常符合 ASTM B 46《镍加铬电镀涂层规范》中包含的信息。 [外文原描述]： This standard covers requirements for several types and grades of electrodeposited nickel/chromium coatings on ferrous or copper alloy basis metals and copper/nickel/chromium on zinc or aluminum alloys for the finishing and corrosion protection of decorative ornamentation and hardware of motor vehicles and marine controls and fittings. Four grades of coatings are provided to correlate with the service conditions under which each is expected to provide satisfactory performance, namely: very severe, severe, moderate, and mild. Definitions and typical examples of these service conditions are provided in Appendix A . 2x Information contained in this document generally conforms to the information contained in ASTM B 456, Specification for Electrodeposited Coatings of Nickel plus Chromium.Cross Reference: ASTMA219,ASTMB183,ASTMB242,ASTMB252,ASTMB253-68,ASTMB281,ASTMB287,ASTMB320,ASTMB368,ASTMB380,ASTMB456,ASTME105,J207