Grade A743 CN3M
USA UNS J94652
Corresponding Standard ASTM A743/A743M-2021
Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
Classification Cast Steel
A743 CN3M Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value - - - - - 20 23 4.5
Maximum Value 0.03 1 2 0.03 0.03 22 27 5.5
A743 CN3M Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
≥435 ≥170 ≥30

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