Active Standard: A890 / A890M - 12a
Barium levels in the range of 1 to 5 ppm are expected to improve corrosion resistance and mechanical properties. Current Ba range is 0.0010 to 0.0100%. Proposal changes Ba range to 0.0002 to 0.0100%.
Keywordsaustenite; duplex stainless steel; ferrite; stainless steel; steel castings;
Ballot Item Approved as A890/A890M-2013 and Pending Publication