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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

hoosier
.224 member

Reged: 11/07/11
Posts: 32
Loc: Indiana,USA

Re: 4140 steel and color case hardening compatibility
22/09/13 07:49 AM

It seems that I read somewhere that the way to color 4140 is a chemical process that imparts color to the steel without any surface hardening due to the properties of 4140 not being friendly to the heat involved involved in color case hardening. I don't recall where I came across that info or what the chemical process was but it seem like it required about 300 degrees F. so it would not draw heat treated 4140 to a softer state.

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BigMike

Post Extras

Entire topic
Subject	Posted by	Posted on
4140 steel and color case hardening compatibility	Crusader68	20/09/13 08:16 PM
Re: 4140 steel and color case hardening compatibility	doubleriflejack	21/09/13 06:14 AM
Re: 4140 steel and color case hardening compatibility	transvaal	22/09/13 01:29 AM
Re: 4140 steel and color case hardening compatibility	Ckhobart	22/09/13 04:20 AM
Re: 4140 steel and color case hardening compatibility	hoosier	22/09/13 07:49 AM
Re: 4140 steel and color case hardening compatibility	Crusader68	22/09/13 03:53 PM
Re: 4140 steel and color case hardening compatibility	Crusader68	01/10/13 09:23 AM
Re: 4140 steel and color case hardening compatibility	Birdhunter50	20/09/13 09:50 PM

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