1045 heat treat?

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JMJones said:
One reason i like 1045 over 4140 or the like is that it is water hardening. That allows me to not quench the eye without the oil fire that is caused with partial oil quenches.
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I'm curious. Are your hammers single faced like the cutlers/Japanese/sawyers heads? You could also be referring to axes or hawks too, I guess.
 
I offered, so here they are:

Tempering temp Hardness
400 53
600 47
800 38
1000 28

Values are approximate and were converted by carbidedepot.com's hardness chart from brinell hardness w/ 3000 kg load on 10 mm ball. The values were also taken from a chart for 1040, and may be slightly higher, maybe a point or 2 at most, likely less. 1045 is a plain medium carbon steel, and the hardness drops fast once tempering gets going.
 
Good info, thanks. I got a couple bars of it when branching out from knifemaking into some decorative iron work and decided to make my own tools. 1045 was highly recommended, so was 4140 but I figured 1045 would have a simpler heat treat.
 
Rick Marchand said:
I'm curious. Are your hammers single faced like the cutlers/Japanese/sawyers heads? You could also be referring to axes or hawks too, I guess.
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Yes cutler/japanese hammers, I guess I should have been more clear. I sold a bunch of them here and on ebay earlier this year and they were fun to make. I nice distraction from knives for a bit.
 
1045 is dead simple to find, but a lot of supply shops will say "Huh?" when you ask for it that way. Ask for "PGS"- precision ground shafting- and they'll say "Whaddya need? Got a rack full over there."
 
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