CPM S90V, CPM 3V or CPM M4 for Knife/Machete

Chum said:
As Cashmore points out, it's not a matter of being able to sharpen a steel in the field, it's a matter of being able to repair chips and rolls in the field.

You want to be able to fix the blade with a file, not a sharpening stone.

As for wood processing blades... blades don't dull very easily from chopping into wood. You can chop and split wood all day with 5160, 1055 any medium carbon steel, and you won't effect the edge much at all... unless it chips or rolls (as mentioned above.)

S90V for a chopper? Ridiculous! Enjoy the chips (not wood chips.) Really, anything much beyond 55HRC is going to be difficult to repair with a file.
Click to expand...

Stop carrying a file and start carrying a diamond stone
 
in the field a working edge is somethign much different then a freashly sharpened blade and with machetes and choppers being far less needy for ultra edge
geometry of the edge is more key here to prevent chip and roll. edge failing is much different ball game then simple edge dulling. and touch ups in the field are just that quick fixes to keep you going (its not a competition after all)

it woudl be much better to error on the side of over built rather then under but higher cutting ability "if it does not fail"
when i make troop knives they dont cut like my kitchen knives but i cant put a kitchen knife through a car door. know the task, spec the steel, built to use (dont over extend the capability) remember that a tool that does everything ok does not one thing great
 
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