Two test ingots: 1. Showing hair line cracking caused by unwanted gases
- Made:
- 1971
Two test ingots: 1. Showing hair line cracking caused by unwanted gases, 2. Sound structure obtained by vavcum degassing. 1971
Two test ingots: 1. Showing hair line cracking caused by unwanted gases, 2. Sound structure obtained by vavcum degassing. 1971