ASTM B413-1997a(2008) 标准详情
- 标准号:ASTM B413-1997a(2008)
- 中文标题:精炼银的标准规范
- 英文标题:Standard Specification for Refined Silver
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1997
1.1 This specification covers refined silver in cast bar form in three grades as follows: 1.1.1 Grade 99.90 (UNS P07020)-Silver having a minimum fineness of 999.0 commonly referred to as "commercial bar" or "bullion." 1.1.2 Grade 99.95 (UNS
* 特别声明:资源收集自网络或用户上传,本网站所提供的电子文本仅供参考,请以正式出版物为准。仅供个人标准化学习,研究使用。如有侵权,请及时联系我们!
