ASTM A790 Grade S31200 Heat-Treated

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Description

Related Standards

Equivalent Materials

Properties

General

Density ρ

7.8 g/cm³ at 20 °C

Typical for Duplex Stainless Steel

Mechanical

Elastic modulus E

200 GPa at 20 °C

Typical for Duplex Stainless Steel

Elongation A50 A50

25 % at 20 °C

Hardness, Brinell HB

280 [-] at 20 °C

Poisson's ratio ν

0.3 [-] at 20 °C

Typical for Duplex Stainless Steel

Tensile strength Rm

690 MPa at 20 °C

Yield strength YS

450 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

1E-5 1/K at 20 °C

Typical for Duplex Stainless Steel

Max service temperature Tmax

300 °C

Typical for Duplex Stainless Steel

Melting point Tm

1375 - 1450 °C

Typical for Duplex Stainless Steel

Specific heat capacity cp

440 - 502 J/(kg·K) at 20 °C

Typical for Duplex Stainless Steel

Thermal conductivity λ

13 - 30 W/(m·K) at 20 °C

Typical for Duplex Stainless Steel

Chemical properties

Element

Weight %

Comment

Cr

24 - 26 %

Ni

5.5 - 6.5 %

Mn

2 %

Mo

1.2 - 2 %

Si

1 %

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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.