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huh? help wrenches(6 posts)

huh? help wrencheskenyonCycleist
Apr 21, 2003 9:51 PM
carbon steel? what thee heck are they talking about?

http://www.excelsports.com/new.asp?page=8&description=Dura%2DAce+Cassette+9+Speed&vendorCode=SHIM&major=1&minor=10
re: huh? help wrenchesAkirasho
Apr 21, 2003 10:19 PM
... all steels are alloys of lead, carbon and other assorted goodies... their description in and of itself is somewhat meaningless (commercially pure titanium is too soft for cogs... it has to be alloyed (as well as virtually all other metals used in bicycle construction) as well).

http://www.schoolscience.co.uk/content/4/chemistry/steel/msch3pg1.html

Was there a specific concern with this product?

Be the bike.
re: huh? help wrencheskenyonCycleist
Apr 22, 2003 2:49 PM
thanks...just curious about the metal..always thought carbon ws used separately from steel..etc.
Carbon as an alloying element in steelKerry
Apr 22, 2003 5:08 PM
We're not talking carbon fiber. C is added to steel as an alloying element, so carbon steel is a reference just like chrome molybdenum steel, etc. You can Google this and find all about it.
re: huh? help wrenchesCrankist
Apr 22, 2003 7:21 AM
Perhaps the carrier rivets.
Most cogs are probably steel.micha
Apr 22, 2003 8:59 AM
Perhaps two or three cogs are Ti. But even those have some sort of steel hardening on the contact surfaces.