AISI 4340 Annealed

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Description

Equivalent Materials

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Properties

General

Density

7.8 g/cm³ at 23 °C

Mechanical

Elastic modulus

210 GPa at 23 °C

Elongation

22 % at 23 °C

Poisson's ratio

0.29 [-] at 23 °C

Typical for Nickel Chromium Molybdenum Steel

Tensile strength

R_m

750 MPa at 23 °C

Yield strength

470 MPa at 23 °C

Thermal

Coefficient of thermal expansion

1.2E-5 1/K at 23 °C

Melting point

T_m

1382 - 1529 °C

Typical for Nickel Chromium Molybdenum Steel

Specific heat capacity

c_p

450 J/(kg·K) at 23 °C

Thermal conductivity

34 - 54 W/(m·K) at 23 °C

Typical for Nickel Chromium Molybdenum Steel

Chemical properties

Element

Weight %

Comment

95.1 - 96.3 %

1.7 - 2 %

0.7 - 0.9 %

0.6 - 0.8 %

0.38 - 0.43 %

This material data has been provided by MakeItFrom.com.

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.