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JIS G4307 SUS420J2: Cold-Rolled, Annealed, Quenched & Tempered Martensitic Stainless Steel

Properties

General

Property	Temperature	Value	Comment
Density	20.0 °C	7.6 - 7.7 g/cm³	Typical for Martensitic Stainless Steel

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	220 GPa	Typical for Martensitic Stainless Steel
Elongation	20.0 °C	18 %
Poisson's ratio	20.0 °C	0.3 [-]	Typical for Martensitic Stainless Steel
Tensile strength	20.0 °C	539 MPa
Yield strength	20.0 °C	226 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	20.0 °C	1E-5 - 1.5E-5 1/K	Typical for Martensitic Stainless Steel
Melting point		1375 - 1450 °C	Typical for Martensitic Stainless Steel
Specific heat capacity	20.0 °C	460 J/(kg·K)	Typical for Martensitic Stainless Steel
Thermal conductivity	20.0 °C	14 - 31 W/(m·K)	Typical for Martensitic Stainless Steel

Electrical

Property	Temperature	Value	Comment
Electrical resistivity	20.0 °C	6E-7 Ω·m	Typical for Martensitic Stainless Steel

Chemical properties

Property	Value
Carbon	0.26 - 0.4 %
Chromium	12 - 14 %
Iron	82.18 - 87.74 %
Manganese	1 %
Molybdenum	0.75 %
Nickel	0.6 %
Phosphorus	0.04 %
Silicon	1 %
Sulfur	0.03 %

Technological properties

Property
Processing history	cold-rolled, annealed, quenched and tempered

JIS G4307 SUS4105 – Premium Cold‑Rolled, Annealed, Quenched & Tempered Stainless Steel SEW 410 G-X70Cr29 Cast Steel: Premium Martensitic Grade for Food, Pulp & Chemical Industries

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