ASTM B 770 : 2021现行
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
出版：American Society for Testing and Materials
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基本信息
标准编号： ASTM B 770 : 2021
标准类别：Standard
出版单位：American Society for Testing and Materials
标准页数：0
标准简介
1.1This specification establishes requirements for sand castings produced from copper-beryllium alloys. The following alloys are covered: Copper Alloy UNS No. Designation Copper Nickel Beryllium C81400 70C 99.1 ... 0.06 C82000 10C 97 ... 0.5 C82200 3C, 14C 98 2.0 0.5 C82400A 165C, 165CTA 97.8 ... 1.7 C82500A 20C, 20CTA 97.2 ... 2.0 C82510 21C 96.6 ... 2.0 C82600A 245C, 245CTA 96.8 ... 2.4 C82800A 275C, 275CTA 96.6 ... 2.6 C96700 72C 67.2 31.0 1.2
