USA UNS S41400
ASTM
Specification or Grade
414
Corresponding Standard ASTM A276/A276M-2017
Standard Specification for Stainless Steel Bars and Shapes
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
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Hot rolled or cold rolled Annealing (A) ≤298
Hot rolled or cold rolled Quenching and Tempering at Relatively High Temperatures (T) ≥790 ≥620 ≥15 ≥45

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