Performance Level A890 Grade 3A
USA UNS J93371
Other Names
Corresponding Standard ASTM A890/A890M-2018
Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
Classification Cast Steel
Properties Corrosion Resistance
A890 Grade 3A Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 24 4 1.75 0.15
Maximum Value 0.06 1 1 0.04 0.04 27 6 2.5 0.25
A890 Grade 3A Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
≥655 ≥450 ≥25

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