USA UNS S41400
ASTM
Specification or Grade
414
Corresponding Standard ASTM A473-2018
Stainless Steel Forgings
Classification Martensitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value - - - - - 11.5 1.25
Maximum Value 0.15 1 1 0.04 0.03 13.5 2.5
Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
A ≤298
T ≥795 ≥620 ≥15 ≥45 ≤321
H ≥860 ≥690 ≥15 ≥45 ≤321

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