I always thought was a bit weird about First Blood (1982) was that Rambo uses his knife near the fire, as a torch or something. Isn't this will ruins the steel?
#50340 - 09/26/0511:37 AMRe: Keep firing a steel knive/tool?
NeighborBill
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Registered: 03/02/03
Posts: 385
Loc: Oklahoma City
If you get it hot enough, you will ruin the temper, making the steel softer. It'll bend and/or dull very quickly.
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#50341 - 09/26/0512:01 PMRe: Keep firing a steel knive/tool?
Anonymous
Unregistered
If you heat the knife you change the hardness and brittleness of the steel. Some heat is ok, but the bit which is easiest to effect is the tip, or the edge. As I found out he hard way, you can overheat a fine edged tip on a buffing machine while trying to remove burrs. But resharpenning can grind off the effected metal.
I wouldnt be using any of my knives as a torch, but I wouldnt have a Rambo type knife in the first place.
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