Asteryx
Industrial
- Oct 16, 2010
- 9
I'm in the process of spec'ing a cast stainless for a marine product which will be submerged during use in salt water in a wide variety of locales, operating temperature range of say -5 to 35 deg C, and exposed to salt atmosphere outside when not in use.
Most/all competing products use 316/L, this is proven more or less adequate.
For better strength and improved corrosion resistance we have been working on using CD3MN / 2205. However, it has occured to me that 2304 might make a more cost effective alternative.
I understand it's not as good as 2205, but the mechanical properties are adequate and the corrosion properties (in the above environment) need only be at least as good as 316. I can find nothing in my research specifically concerning this latter comparison/context, so my request is for comments on that. Queries to steel suppliers so far are frustrating.
Any input?
Most/all competing products use 316/L, this is proven more or less adequate.
For better strength and improved corrosion resistance we have been working on using CD3MN / 2205. However, it has occured to me that 2304 might make a more cost effective alternative.
I understand it's not as good as 2205, but the mechanical properties are adequate and the corrosion properties (in the above environment) need only be at least as good as 316. I can find nothing in my research specifically concerning this latter comparison/context, so my request is for comments on that. Queries to steel suppliers so far are frustrating.
Any input?