B639
B639 (Standard Specification for Precipitation Hardening Cobalt-Containing Alloys Rod, Bar, Forgings, and Forging Stock for High-Temperature Service)· ASTM (米国) · 2 材料
| 名称 | 材料グループ | |
|---|---|---|
| B 639 R30155 | コバルト | chevron_right |
| B 639 R30816 | コバルト | chevron_right |
B639 (Standard Specification for Precipitation Hardening Cobalt-Containing Alloys Rod, Bar, Forgings, and Forging Stock for High-Temperature Service)· ASTM (米国) · 2 材料
| 名称 | 材料グループ | |
|---|---|---|
| B 639 R30155 | コバルト | chevron_right |
| B 639 R30816 | コバルト | chevron_right |