ohland
08-19-2015, 07:59 PM
https://books.google.com/books?id=1qfmAAAAMAAJ&pg=PA113&dq=rifle+tempering+steel+barrels&hl=en&sa=X&ved=0CDAQ6AEwAGoVChMIivXEyKu2xwIVAYuSCh13AA1N#v=on epage&q=rifle%20tempering%20steel%20barrels&f=false
Blast Furnace and Steel Plant, Volume 8 pages 113-114
Recounts New and Improved Methods—Effect of Time in
Tempering—Use of Calcium Cyanamide and Other Improvements
in Case Hardening—"Hump" Method in Heat Treating.
By B. F. WESTON
Blast Furnace and Steel Plant, Volume 8 pages 113-114
Recounts New and Improved Methods—Effect of Time in
Tempering—Use of Calcium Cyanamide and Other Improvements
in Case Hardening—"Hump" Method in Heat Treating.
By B. F. WESTON