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ASTM A469 Grade 8 Quenched & Tempered Stainless Steel – Stress‑Relieved, High‑Strength & Corrosion‑Resistant

Properties

General

Property	Temperature	Value	Comment
Density	23.0 °C	7.9 - 8.2 g/cm³	Typical for Austenitic Stainless Steel

Mechanical

Property	Temperature	Value	Comment
Charpy impact energy	23.0 °C	55 J
Elastic modulus	23.0 °C	195 GPa	Typical for Austenitic Stainless Steel
Elongation A50	23.0 °C	16 %
Poisson's ratio	23.0 °C	0.3 [-]	Typical for Austenitic Stainless Steel
Reduction of area	23.0 °C	45 %
Shear modulus	23.0 °C	77 GPa	Typical for Austenitic Stainless Steel
Tensile strength	23.0 °C	825 MPa
Yield strength Rp0.02	23.0 °C	690 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	1.7E-5 - 1.9E-5 1/K	Typical for Austenitic Stainless Steel
Melting point		1230 - 1480 °C	Typical for Austenitic Stainless Steel
Specific heat capacity	23.0 °C	440 J/(kg·K)	Typical for Austenitic Stainless Steel
Thermal conductivity	23.0 °C	11 - 21 W/(m·K)	Typical for Austenitic Stainless Steel

Electrical

Property	Temperature	Value	Comment
Electrical resistivity	23.0 °C	8.5E-7 Ω·m	Typical for Austenitic Stainless Steel

Chemical properties

Property	Value
Carbon	0.28 %
Chromium	1.25 - 2 %
Manganese	0.6 %
Molybdenum	0.3 - 0.6 %
Nickel	3.25 - 4 %
Phosphorus	0.02 %
Silicon	0.3 %
Sulfur	0.015 %
Vanadium	0.05 - 0.15 %

ASTM A479 Grade XM-19 Annealed Stainless Steel – Comprehensive Property Profile ASTM A511 Grade 29-4 Annealed – Key Mechanical & Physical Properties

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