MetalworkingFun Forum › Machining › General Metalworking Discussion v
.311 hole in 4140 that needs heat treating

Thread Modes
.311 hole in 4140 that needs heat treating
TomG Offline
Alt. Whipping Boy
*******
Posts: 3,798
Threads: 184
Joined: Jun 2012
Location: Farmington Hills, Michigan
#6
03-01-2016, 10:27 AM
Yes Darren, the box is opened before the part is quenched in oil. There is already adequate carbon in 4140, so adding charcoal isn't necessary.

Tom
[Image: TomsTechLogo-Profile.png]
Reply
Thanks given by:


Messages In This Thread
RE: .311 hole in 4140 that needs heat treating - by TomG - 03-01-2016, 10:27 AM



Users browsing this thread: 9 Guest(s)