Check the archives under "stress corrosion cracking" or at
for my opinion. By the way, the US government has spent millions investigating stress corrosion cracking incidents over the years and it sneaks up on engineers all the time, so Robergel is only so much to blame for the design. Now why they let it go on for years ....
Joe Bender-Zanoni Great Notch NJ
Chuck Schmidt wrote:
>>Hi CR folks,
>>For the all out Italian bike restoration...
>>I'm doing some organizing, sorting, and discovering in my piles of stuff. I found some 295mm 15/16 gauge double butted Stella Spokes that are quite gorgeous. They have nipples with them too. They came out of boxes labled Crominox. I think they are chrome plated stainless, but I'm not sure.
>Sounds to me like Crominox is a plating over carbon steel spokes not
>stainless (inox) steel spokes. Anyone know for sure?
>"The CROMINOX-Coat avoids nickel allergies and fulfils the N34 standard
>of the Danish tests and has the appearance of stainless steel 316 and
>316L. The hardness of the deposit is 600 Vickers, the thickness can be
>from 1 to 10µ and can be white or black-chrome plated, gold- or
>silver-plated, etc. CROMINOX is deposited using plating racks or in
>barrels. It can be applied to brass or copper. CROMINOX is a very good
>protection against corrosion and its colour makes CROMINOX a very
>attractive decorative application."
>By the way, I remember when stainless steel spokes did not have a great
>reputation for durability before DT stainless steel spokes became
>popular in the mid 1970s. Anyone know why?
>South Pasadena, Southern California