Steel used for 1980s Uncle Henry slip joint pocket knives?

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May 20, 2002
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Cleaning out some of my father's gear, I found an Uncle Henry slip joint pocket knife he bought in the 1980s. While I don't have it in front of me, it is a three-bladed pocket knife, nickel bolsters, brass liners, a configuration that was in every man's pocket until perhaps 20 years ago. What stainless steel was used for blades?
 
Most likely 440A in that time frame and up until year ~ 2000 or so. Virtually all of the Schrade UH (Uncle Henry) line have been stainless steel over most of their history. Those knives are marked with 'SCHRADE +' on the tang, with the '+' indicating it's stainless. In more recent years, not long before Schrade shut down forever, they had switched from 440A to 420HC, I believe.

[ Edited to add: There are also some Schrade knives out there in stainless steel, which are simply stamped as 'STAINLESS' on the blade tangs, as opposed to the more-often-seen 'SCHRADE +' stamping. ]

Schrade USA had a reputation for very good heat treat of their blade steels, taking them harder than most of their competition using similar steels. 440A from Schrade USA should serve you well.

Lots of detail about Schrade's blade steels in the thread linked below:

https://www.bladeforums.com/threads/schrade-blade-steels.378164/
 
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