Performance Level A890 Grade 1A
USA UNS J93370
Other Names
Corresponding Standard ASTM A890/A890M-1999(R2003)
Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
Classification Cast Steel
Properties Corrosion Resistance
A890 Grade 1A Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value - - - - - 24.5 4.75 2.75 1.75
Maximum Value 0.04 1 1 0.04 0.04 26.5 6 3.25 2.25

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