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EN 10217-7 X2CrNi19‑11 Austenitic Steel – Solution Annealed for Superior Corrosion Resistance

The austenitic steel X2CrNi19-11 is available in the solution annealed condition. Welded circular tubes of this steel are used for compression load and for corrosive load at room temperature, low temperatures and elevated temperatures. The material is resistant to intercrystalline corrosion (up to 350 °C) also in the welded condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 - 7.92 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-269.0 °C

201.3 GPa

-195.0 °C

205.1 GPa

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

27.0 °C

190.2 GPa

100.0 °C

190 - 194 GPa

200.0 °C

182 - 186 GPa

300.0 °C

174 - 179 GPa

400.0 °C

166 - 172 GPa

500.0 °C

158 - 165 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

800.0 °C

134 GPa

Elongation

20.0 °C

40 %

Elongation, transverse

20.0 °C

35 %

Poisson's ratio

-269.0 °C

0.31 [-]

-195.0 °C

0.29 [-]

20.0 °C

0.29 [-]

27.0 °C

0.27 [-]

Shear modulus

20.0 °C

75.7 GPa

Tensile strength

20.0 °C

460 - 680 MPa

Tensile strength, transverse

20.0 °C

460 - 680 MPa

Yield strength Rp0.2

20.0 °C

180 MPa

50.0 °C

165 MPa

100.0 °C

145 MPa

150.0 °C

130 MPa

200.0 °C

118 MPa

250.0 °C

108 MPa

300.0 °C

100 MPa

350.0 °C

94 MPa

400.0 °C

89 MPa

450.0 °C

85 MPa

500.0 °C

81 MPa

550.0 °C

80 MPa

Yield strength Rp0.2, transverse

20.0 °C

180 MPa

Yield strength Rp1.0

20.0 °C

215 MPa

50.0 °C

200 MPa

100.0 °C

180 MPa

150.0 °C

160 MPa

200.0 °C

145 MPa

250.0 °C

135 MPa

300.0 °C

127 MPa

350.0 °C

221 MPa

400.0 °C

116 MPa

450.0 °C

112 MPa

500.0 °C

109 MPa

550.0 °C

108 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

20.0 °C

1.61E-5 1/K

100.0 °C

1.6E-5 - 1.67E-5 1/K

200.0 °C

1.65E-5 - 1.72E-5 1/K

300.0 °C

1.7E-5 - 1.77E-5 1/K

400.0 °C

1.75E-5 - 1.81E-5 1/K

500.0 °C

1.8E-5 - 1.84E-5 1/K

600.0 °C

1.88E-5 1/K

700.0 °C

1.91E-5 1/K

800.0 °C

1.94E-5 1/K

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

472 - 500 J/(kg·K)

100.0 °C

487 J/(kg·K)

200.0 °C

503 J/(kg·K)

300.0 °C

512 J/(kg·K)

400.0 °C

520 J/(kg·K)

500.0 °C

530 J/(kg·K)

600.0 °C

541 J/(kg·K)

700.0 °C

551 J/(kg·K)

800.0 °C

559 J/(kg·K)

Thermal conductivity

20.0 °C

13.9 - 15 W/(m·K)

100.0 °C

15.4 W/(m·K)

200.0 °C

17.2 W/(m·K)

300.0 °C

18.7 W/(m·K)

400.0 °C

20.2 W/(m·K)

500.0 °C

21.6 W/(m·K)

600.0 °C

23 W/(m·K)

700.0 °C

24.4 W/(m·K)

800.0 °C

25.8 W/(m·K)

Thermal diffusivity

20.0 °C

3.7 mm²/s

100.0 °C

3.9 mm²/s

200.0 °C

4.2 mm²/s

300.0 °C

4.5 mm²/s

400.0 °C

4.7 mm²/s

500.0 °C

4.8 mm²/s

600.0 °C

5 mm²/s

700.0 °C

5.3 mm²/s

800.0 °C

5.6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.3E-7 - 7.35E-7 Ω·m

100.0 °C

8E-7 Ω·m

200.0 °C

8.68E-7 Ω·m

300.0 °C

9.33E-7 Ω·m

400.0 °C

9.89E-7 Ω·m

500.0 °C

1.04E-6 Ω·m

600.0 °C

1.08E-6 Ω·m

700.0 °C

1.12E-6 Ω·m

800.0 °C

1.15E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

18 - 20 %

Manganese

2 %

Nickel

10 - 12 %

Nitrogen

0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %


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