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Why would a knife be made from surgical steel?
Its big and expensive and i don't know if it would have a logical purpose but its sharp as hell and awesome. Anyways, its made from "surgical steel" and all i have found on the internet is that its probably 316L (w/e that means). I have another knife made from 440 stainless steel and as far as i know that is pretty much the hardest stainless metal. So why would the more expensive one be made from "surgical steel"?
Unfortunately it's the other way around. They use 316L and few other steels for cutlery because a) the steel is cheaper, and not more expensive, b) it's so soft that it is very easy to machine, thus savings on the equipment(good steel requires more expensive tools) and wear and teat of the equipment.
In metallurgy and knifemaking there is no such thing as "surgical steel" It's the marketing term invented to confuse and convince buyers they're buying something good. 316L might have its uses elsewhere but for knives it is real junk. It's not even low carbon steel, having 0.03% C...
440 if ti doesn't specify the group (A, B, C) is most likely cheapest of those 3, 440A. Used by Cutco, Fury and low end Henckel/Wusthofs. Still, compared to 316L those are level above.
Basically anything with less than 0.5% C in it is way too soft for the knife.
Here's 316L vs, 440A steel composition comparison graph - http://www.zknives.com/knives/steels/steelgraph.shtml?nm=316L%2C440A
As you can see even 440A contains a lot more Carbon.
For more on knife steels - http://www.zknives.com/knives/articles/knifesteelfaq.shtml
And kitchen knife steel FAQ - http://www.zknives.com/knives/kitchen/misc/articles/kkchoser/kksteel.shtml
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