Grade A494 Grade M30C
USA UNS N24130
Corresponding Standard ASTM A494/A494M-2026
Castings, Nickel and Nickel Alloy
Classification Cast Steel
Properties Good Weldability
A494 Grade M30C Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cu Nb More
Minimum Value - - 1 - - - 26 1 Ni:余量
Maximum Value 3.5 0.3 2 1.5 0.03 0.02 33 3
A494 Grade M30C Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Casting State ≥450 ≥225 ≥25
A494GradeM30C Corresponding Standards(Same grade name, different standards)

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