Active Standard: A240 / A240M - 13c
We wish to add two duplex stainless grades (FDX-25 and FDX-27). These alloys are patented in Finland and applications for patents in several other countries are being sought. UNS numbers will be obtained once these grades pass sub-committee ballots. A user request letter and data from three different heats will accompany the submission of the work item.
Keywordschromium; chromium-nickel stainless steel; chromium-manganese-nickel stainless steel; pressure vessels;
Ballot Item Approved as A240/A240M-2013C and Pending Publication