B639
B639 (Standard Specification for Precipitation Hardening Cobalt-Containing Alloys Rod, Bar, Forgings, and Forging Stock for High-Temperature Service)· ASTM (Stati Uniti) · 2 materiali
| Designazione | Gruppo di materiali | |
|---|---|---|
| B 639 R30155 | Cobalto | chevron_right |
| B 639 R30816 | Cobalto | chevron_right |