USA UNS S41425
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 Cu Mo N
Minimum Value - - 0.5 - - 12 4 - 1.5 0.06
Maximum Value 0.05 0.5 1 0.02 0.005 15 7 0.3 2 0.12
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
Quenching and tempering at relatively high temperatures - Hot rolling (T) ≥825 ≥655 ≥15 ≥45 ≤321

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