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EN 10028-7 X2CrNi19-11 – Solution-Annealed Steel (Post-Annealing Treatment)

The austenitic steel X2CrNi19-11, a modification of 1.4301, shows due to the lowered C-content an increased resistance to intercrystalline corrosion also in sensitized condition. Application in chemical apparatus engineering and in pharmaceutical industry, especially for demands on high wall-thickness and concurrent suitability for mirror-polishing. In nuclear reactor engineering, for parts in food industry exposed to organic or fruit acids, in oil, soap and synthetic fibre industry. Generally up to pH-value 4,5 resistant in aggressive media that are poor in chloride. Approved for pressure vessel construction up to 300 °C, otherwise subject to authorization.

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

45 %

Elongation A80

20.0 °C

45 %

Elongation A80, transverse

20.0 °C

45 %

Elongation, transverse

20.0 °C

45 %

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

500 - 700 MPa

50.0 °C

466 MPa

100.0 °C

410 MPa

150.0 °C

380 MPa

200.0 °C

360 MPa

250.0 °C

350 MPa

300.0 °C

340 MPa

350.0 °C

340 MPa

Tensile strength, transverse

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

20.0 °C

200 MPa

50.0 °C

180 MPa

100.0 °C

147 MPa

150.0 °C

132 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

200 - 220 MPa

Yield strength Rp1.0

20.0 °C

240 - 250 MPa

50.0 °C

218 MPa

100.0 °C

181 MPa

150.0 °C

162 MPa

200.0 °C

147 MPa

250.0 °C

137 MPa

300.0 °C

127 MPa

350.0 °C

121 MPa

400.0 °C

116 MPa

450.0 °C

112 MPa

500.0 °C

109 MPa

550.0 °C

108 MPa

Yield strength Rp1.0, transverse

20.0 °C

240 - 250 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

Max service temperature, long

0 - 300 °C

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

0.1 - 0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %


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