ASTM F1136-1988(1998)E1 标准详情
- 标准号:ASTM F1136-1988(1998)E1
- 中文标题:紧固件用铬/锌防蚀镀层的规格
- 英文标题:standard specification for chromium/zinc corrosion protective coatings for fasteners
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1988
1.1 This specification covers the basic requirements for three grades of chromium/zinc inorganic coatings for threaded fasteners. 1.2 These coatings are applied by conventional dip-spin or dip-drain methods. 1.3 The coating process does not induce
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