ASTM A815 Grade S41008 Heat-Treated

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Description

Related Standards

Equivalent Materials

Properties

General

Density ρ

7.6 - 7.7 g/cm³ at 20 °C

Typical for Martensitic Stainless Steel

Mechanical

Elastic modulus E

220 GPa at 20 °C

Typical for Martensitic Stainless Steel

Elongation A50 A50

22 % at 20 °C

Hardness, Brinell HB

183 [-] at 20 °C

Poisson's ratio ν

0.3 [-] at 20 °C

Typical for Martensitic Stainless Steel

Tensile strength Rm

415 MPa at 20 °C

Yield strength YS

205 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

1E-5 - 1.5E-5 1/K at 20 °C

Typical for Martensitic Stainless Steel

Melting point Tm

1375 - 1450 °C

Typical for Martensitic Stainless Steel

Specific heat capacity cp

460 J/(kg·K) at 20 °C

Typical for Martensitic Stainless Steel

Thermal conductivity λ

14 - 31 W/(m·K) at 20 °C

Typical for Martensitic Stainless Steel

Electrical

Electrical resistivity ρel

6E-7 Ω·m at 20 °C

Typical for Martensitic Stainless Steel

Chemical properties

Element

Weight %

Comment

Cr

26 - 29 %

Ni

3.5 - 5.2 %

Mn

2 %

Mo

1 - 2.5 %

Si

0.6 %

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This material data has been provided by ASTM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.