Heat treating.........

charlie15

you have 4130 carbon steel in softened state, 1.05mm thick, after forming how do you heat treat and hardened[?] What temp to heat and what do you dip it in too hardened[?] [:I][:I][:I][:I][:I]

"Well i'll be a suck egg mule"...Arthur Hunnicutt.

David Lee

Heat the item evenly to 1550-1600 F. Oil guench to room temp. Heat back up to 450 F and let it air cool.

janddw@charter.net

s.gun

Try Dixie Gun Works or maybe Brownell's for "KASENIT"

This is a good method of hardening the surface of small parts.Maybe only a few thousants deep,but it does very much to strengthen a small Gun Part.Mine came with instruction as to how to use it.



1-Powder

2-Patch

3-Ball

4-Remove the Rod

5-Do Not Forget the Cap.

orca44mag

Hi,
Keep in mind the forming you are doing will also impart some degree
of hardening. If alot of forming is to be done, you may want to anneal it (soften) prior to final hardening. This will prevent stress
fractures after tempering.

rhmc24

First off, 4130 is not just carbon steel. Sounds like chrome-moly to me. D Lee may be right but don't use Kasenit on 4130. Kasenit is fine for plain iron. It does a good job giving the part an exterior case hardening. If you use it on other steel, just heating red and quenching you don't know what you will get, possibly glass hard thru and thru and likely brittle. If it is 4130 and you follow D Lee's suggestion, 15-1600 degrees is red hot and you can get close to 450 by burning motor oil with the part in the flame. If you have some of the steel in unfinished form, do some experimenting.