ASTM-A447 › Complete Document History
Standard Specification for Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service
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2011 R21 EDITION - REAPPROVED IN 2021 - May 6, 2021
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Obsolete Revision Information: |
2011 R16 EDITION - REAPPROVED IN 2016 - Sept. 1, 2016
2011 EDITION - Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), fo - Dec. 1, 2011
2010 EDITION - Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), fo - Oct. 1, 2010
1993 R07 EDITION - REAPPROVED IN 2007 - Nov. 1, 2007
1993 R03 EDITION - REAPPROVED IN 2003 - Oct. 10, 2003
1993(E1) EDITION - EDITORIALLY CORRECTED - Dec. 1, 1997
1993 EDITION - Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), fo - Dec. 15, 1993
1993 R98 EDITION - REAPPROVED IN 1998 - Dec. 15, 1993
1987 EDITION - Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), fo - Feb. 27, 1987
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