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petdave -> RE: Metrosexuality ? (6/1/2008 9:18:10 PM)
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quote:
ORIGINAL: FullCircle
Steel is steel and the hardness of steel compared with hair follicles and skin fragments is quite large I'd think. Therefore the quality of steel would have an infinitesimal contribution in this calculation. To produce low quality steel is possible but razor blades aren’t exactly made out of the highest quality of steel and never were. The way we produce steel hasn’t changed significantly in the years we’ve been doing it.
Um, wrong on all counts.
There is a huge difference between "mild steel" and "tool steel" for example. You have high- and low-carbon steels. "Stainless" steels. Different methods of heating, cooling, and alloying the steel so that the molecules form the shapes and bonds best suited to the task at hand, and while we're at it, "steel" is used to denote a very wide variety of alloys. i can take a steel reciprocating saw blade, and cut through a piece of mild steel of equal thickness as though it were cardboard. i can take a tool steel hammer and anvil and beat a mild steel panel into shape, or literally shatter a high-carbon steel.
Metallurgy has a tremendous amount to do with how well a blade will take an edge, and also how long that edge will last when performing a particular job. Professional chefs don't pay more than $100 apiece for Wusthof and Global kitchen knives just as a status symbol.
The extremely thin, narrow blades in multi-blade cartridge razors actually require very exacting metallurgy. Try to machine, say, a cheap Chinese screwdriver into a piece that compact and you'll have something more akin to tinfoil, but pitted.
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