- Joined
- Mar 7, 2005
- Messages
- 1,063
With the low hardness Ontario is running 1095 though it is overkill on carbon content, they could get the same hardness with a medium carbon steel in bainite, which on paper tends to be insanely tough.
A small batch Bainite heat treat (this is the kind sword makers do on a one by one basis right?) on a $10 machete or $35 Marine Raider or whatever does not seem like it is realistic.
I am looking forward to seeing Thom's reports's of his Banite RD as well, as I know little about this heat treat, as the martensite is by far the most prevelent in knives.
As well, consider that most Ontario products are either USGI or authorized. Many are made to US MIL specs. So if the quatermaster wants 190 machetes, that's what Ontario has to make.
Many other machete makers use lower carbon steels, Martindale and Tramontina for example. I don't think there is an advatage to using the lower carbon steels in terms of toughness in that if an Ontario edge ripples under a certain use, probably the MArtindale would too. However, where the lower carbon content comes into play si that the damage is less prone to spread. Medium carbon steel, like 1050-1075 are not nearly as prone to damage propogation as 1095. Even 1084 is better in that regards IMHO.
The lower you drop the carbon level, the more true that is. Try to propogate cracks through wrought iron. That is one why some impact tools used iron heads with hard steel inserts. They handle impact strains (i.e. eye of an axe) better than high carbon steels, and their is no tangible benfit to aded strength. Toughness reigns supreme there.
Also, the RAT line, being more expensive, better finished, may well have better QC than the standard Ontario line, tighter tolerances.
I do not care for the RTAK for various reason, but my RAT-7 knives are solid.