I understand that some of you are using stainless steel electrode for the
cathode.
What grade of stainless steel do you recommend for it pls ?
I also understand that most of the stainless steel has a percentage of
nickel in it, and
I thought that we should avoid nickel.
Gaston
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i.e.: Here are some info. taken from various WEB pages about stainless
steel:
"What is stainless steel?
Stainless steel is defined as a series of steel alloys which include at
least 10% chromium. Dozens of stainless steel alloys exist. By far the most
common alloy used in door production is #304 which is composed of 18%
chromium and 8% nickel. The #316 alloy is used with success in highly
chlorinated environments such as public swimming pools or pulp mills and is
composed of 16% chromium, 10% nickel, and 3% molybdenum. Contact Ambico in
order to help you to select the stainless alloy most appropriate to your
project
In addition to chromium, nickel, molybdenum, titanium, niobium and other
elements may also be added to stainless steels in varying quantities to
produce a range of stainless steel grades, each with different properties.
There are a number of grades to chose from, but all stainless steels can be
divided into five basic categories
austenitic : 18% chromium and 8% nickel
ferritic : chromium content between 12 and 18%, but with low
carbon content
duplex chromium (between 18 and 28%) and moderate amounts of
nickel (between
4.5 and 8%).
martensitic : They are plain chromium steels containing between 12 and
18% chromium.
precipitation hardening : These steels have been formulated so that
they can be supplied in a solution treated condition, (in which they are
machinable) and can be hardened, after fabrication, in a single low
temperature "ageing" process."
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