Corrosion of Stainless Steels
Corrosion of Stainless Steels
(OP)
i need to know, what is the most corrosive resistent stainless steel. we are debating between 316 and 304. 316 is subject to more pitting and crevice corrosion. also what is the best method of testing them. we need to determine about how long they will go without corroding.
as to what we plan to use this for, it is used to hold gears in a water motor that run a lawn sprinkler. it will be in a water motor that will be submerged in water (all types) for lenghts of time. i read that the sea water (fog) test is the best method. i also need to know if this test is best and how long should you run this test for.
as to what we plan to use this for, it is used to hold gears in a water motor that run a lawn sprinkler. it will be in a water motor that will be submerged in water (all types) for lenghts of time. i read that the sea water (fog) test is the best method. i also need to know if this test is best and how long should you run this test for.





RE: Corrosion of Stainless Steels
The FAQ's in this forum tell how pitting resistance is proportional to chemistry. Resistance to crevice corrosion obeys the same formula.
RE: Corrosion of Stainless Steels
RE: Corrosion of Stainless Steels
304 is softer, and would probably have less corrosion resistance. What about 440 stainless?
Robert Hall
RE: Corrosion of Stainless Steels
It can be hardened like carbon or alloy steel.