I am thinking about fabricating a pair of dies for my 25# Little Giant hammer. Currently I am thinking about making the dies from either 1045 or 4140....heat treated of course. The dies need to be hardend to between 42~46 HRC. Anyone have any insights on either of those materials?
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Power Hammer Dies
- Thread starter Crosche
- Start date
Coincidental you mention this because I was looking for some kind of online tool that one could pick 2 alloys & show a comparative HT hardness/toughness overlay plot on common axis. If anyone has seen anything like this, I'd like to know. I could replicate in Excel but kind of pita. Anyways, hopefully this demonstrates the interplay between hardness, toughness & corresponding tempering temp. Your application may favor a certain combination or one over the other. And then of course there is machineability of the part itself if that's an issue.
4140
O1 tool steel
4140
O1 tool steel
I made cold forging dies out of annealed 4140. Heat treat was done twice to a dark to medium cherry with no tempering. My dies were 2.5 inches thick so lots of material to absorb the after affects of the hit(100 tons).
Check this out..... https://www.littlegianthammer.com/about.php
@Crosche we need some pics and a video of this trip hammer in action.....
@Crosche we need some pics and a video of this trip hammer in action.....