hot-cut edge bevel

Hello,Im wanting to make a tool for hot cutting steel.My question:At what angle shoud the egde be beveled?More than a cold chisle?Thanks.

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My favorite hardy hot cutter has an included angle of about 40 degrees. I have some slitting chisels that have an included angle of about 25 degrees and are about 1/4" thick at about 3/8" back from the cutting edge. These tools are generally made from Atlantic 33 or S1. I suppose 5160 would work about as well, but it will loose any hardness once you get it hot enough to glow. I even have one slitting chisel that used to be my sole slitter for hammer heads that was made from OCS (old Car Spring), maybe something like 1095. That's the kind of material that you stike 3 times and then quench. They still soften up.
You can make the angles more blunt than the above if you don't care about the edge you produce. My favorite cold cut hardy tool has an edge with an included angle of about 60 or 70 degrees. I use it to cut hot metal from time to time.
Pete Stanaitis
Sparks Alot wrote:

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Thanks,Pete.I'm making a cutter that i plan to mount in a tree-stump in the manner of a hardy tool.I'm not sure what type of steel i'm using,as it's a cam-shaft from a suzki.Thanks
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