Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
Posted by
smcdonal
on 2000-06-17 07:49:23 UTC
Doug Harrison wrote:
4140 is what I had on hand and therfore was FREE. How do I harden 4130?
Do I quench in oil or water. Thanks to all doe the help on this!
Second question does anyone here have the temp for drawing the 4130 or
4140 back to 52 RC after it is hardened?
Regards
Stan
4140 is what I had on hand and therfore was FREE. How do I harden 4130?
Do I quench in oil or water. Thanks to all doe the help on this!
Second question does anyone here have the temp for drawing the 4130 or
4140 back to 52 RC after it is hardened?
Regards
Stan
Discussion Thread
lawrence jackman
2000-06-16 21:00:54 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
Doug Fortune
2000-06-16 21:17:53 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
lawrence jackman
2000-06-16 21:23:32 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
Doug Harrison
2000-06-17 06:33:12 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
smcdonal
2000-06-17 07:49:23 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
Jon Anderson
2000-06-17 07:53:34 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
Doug Harrison
2000-06-17 08:22:41 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
lawrence jackman
2000-06-17 08:41:30 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?
lawrence jackman
2000-06-17 08:44:07 UTC
Re: [CAD_CAM_EDM_DRO] 4130 4140 how to heat treat ?