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ASTM A890/A890M-2018
Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
Material Designation Chemical Composition (%)
A890 Grade 1B (J93372) (CD4MCuN) (25Cr-5Ni-Mo-Cu-N)
Min
Max
A890 Grade 1C (J93373) (CD3MCuN) (25Cr-6Ni-Mo-Cu-N)
Min
Max
A890 Grade 2A (J93345) (CE8MN) (24Cr-10Ni-Mo-N)
Min
Max
A890 Grade 3A (J93371) (CD6MN) (25Cr-5Ni-Mo-N)
Min
Max
A890 Grade 4A (J92205) (CD3MN) (22Cr-5Ni-Mo-N)
Min
Max
A890 Grade 5A (J93404) (CE3MN) (25Cr-7Ni-Mo-N)
Min
Max
A890 Grade 6A (J93380) (CD3MWCuN) (25Cr-7Ni-Mo-N)
Min
Max
A890 Grade 7A (J93379) (CD3MWN) (27Cr-7Ni-Mo-W-N)
Min
Max
For Reference Only
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