Feb 17, 2009 #1 apf Mechanical Jan 22, 2009 8 Would there be any reasons not to use nickel aluminium bronze and inconel in the same environment.
Feb 17, 2009 #2 SJones Petroleum Apr 22, 2001 3,930 In what sense: electrically connected? What environment? Coupled in seawater, the NAB will be the anode and will suffer enhanced corrosion. How much depends on many additional factors. Steve Jones Materials & Corrosion Engineer http://www.linkedin.com/pub/8/83b/b04 Upvote 0 Downvote
In what sense: electrically connected? What environment? Coupled in seawater, the NAB will be the anode and will suffer enhanced corrosion. How much depends on many additional factors. Steve Jones Materials & Corrosion Engineer http://www.linkedin.com/pub/8/83b/b04
Feb 17, 2009 #3 EdStainless Materials May 20, 2004 16,283 NAB has pretty good corrosion resistance, but a couple with 625 would drive selective dealloying. If they are not coupled it should be fine. = = = = = = = = = = = = = = = = = = = = Plymouth Tube Upvote 0 Downvote
NAB has pretty good corrosion resistance, but a couple with 625 would drive selective dealloying. If they are not coupled it should be fine. = = = = = = = = = = = = = = = = = = = = Plymouth Tube
Feb 17, 2009 Thread starter #4 apf Mechanical Jan 22, 2009 8 They would be coupled together to form a valve body and seal and would be in contact with seawater. Upvote 0 Downvote
Feb 18, 2009 #5 strider6 Materials May 4, 2007 616 why did u, or the supplier, choose a 625 for a seawater service? S Corrosion Prevention & Corrosion Control Upvote 0 Downvote
why did u, or the supplier, choose a 625 for a seawater service? S Corrosion Prevention & Corrosion Control
Feb 18, 2009 Thread starter #6 apf Mechanical Jan 22, 2009 8 We normally would be using Monel 400 but have no stock. We need to find a replacement material fast and have 625 in stock. Upvote 0 Downvote
We normally would be using Monel 400 but have no stock. We need to find a replacement material fast and have 625 in stock.
Feb 19, 2009 #7 EdStainless Materials May 20, 2004 16,283 I would not suggest that 625 has good enough crevice corrosion resistance for a seawater valve seat. Try looking for one of "C" type alloys. = = = = = = = = = = = = = = = = = = = = Plymouth Tube Upvote 0 Downvote
I would not suggest that 625 has good enough crevice corrosion resistance for a seawater valve seat. Try looking for one of "C" type alloys. = = = = = = = = = = = = = = = = = = = = Plymouth Tube
