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ASTM A803 Grade 25-4-4 Solution-Annealed: High-Strength Ferritic Stainless Steel

Properties

General

Property	Temperature	Value	Comment
Density	23.0 °C	7.6 - 7.8 g/cm³	Typical for Ferritic Stainless Steel

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	220 GPa	Typical for Ferritic Stainless Steel
Elongation A50	23.0 °C	20 %
Hardness, Brinell	23.0 °C	270 [-]
Hardness, Rockwell B	23.0 °C	27 [-]
Poisson's ratio	23.0 °C	0.3 [-]	Typical for Ferritic Stainless Steel
Shear modulus	23.0 °C	77 GPa	Typical for Ferritic Stainless Steel
Tensile strength	23.0 °C	620 MPa
Yield strength	23.0 °C	515 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	9.3E-6 - 1.2E-5 1/K	Typical for Ferritic Stainless Steel
Melting point		1425 - 1530 °C	Typical for Ferritic Stainless Steel
Specific heat capacity	23.0 °C	420 - 586 J/(kg·K)	Typical for Ferritic Stainless Steel
Thermal conductivity	23.0 °C	11 - 22 W/(m·K)	Typical for Ferritic Stainless Steel

Electrical

Property	Temperature	Value	Comment
Electrical resistivity	23.0 °C	6E-7 - 7.5E-7 Ω·m	Typical for Ferritic Stainless Steel

Chemical properties

Property	Value
Carbon	0.025 %
Chromium	24.5 - 26 %
Manganese	1 %
Molybdenum	3.5 - 4.5 %
Nickel	3.5 - 4.5 %
Nitrogen	0.04 %
Phosphorus	0.04 %
Silicon	0.75 %
Sulfur	0.03 %
Titanium	0.8 %

ASTM A757 Grade E3N: Normalized & Tempered Martensitic Stainless Steel ASTM A774 TP317L: Premium Austenitic Stainless Steel Properties

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