|
描述 |
| 标准 |
ASTM-B644 |
| 涵盖范围 |
This specification covers master alloys of copper nickel (alloy 1A) ferro coppers (alloys 2A and 2B), phospher copper (alloys 3A and 3B), and silicon coppers (alloy 4A, 4B, 4C, and 4D) in ingot, slab, or shot form to be used as addition agents for casting and wrought alloys. |
| 描述 |
Copper Alloy Addition Agents |
| 分类归属 |
9630 |
| 文档状态 |
有效
|
| 审查日期 |
1998-09-03 |
| 通过日期 |
1988-09-05 |
| 文档类型 |
American Society for Testing and Materials (ASTM) |
| 文档注释 |
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| 起草机构 |
IS |
| 协调级别 |
Full |
| 陆军管理 |
Army Research Laboratory, Weapons and Materials Research Directorate |
| 海军管理 |
Naval Facilities Engineering Command |
| 采用机构 |
Naval Facilities Engineering Command |
