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EN 10269 Grade X4CrNi18-12 – Solution Annealed with Enhanced Treatment

Trademark X4CrNi18-12 is comparable to X 5 CrNi 18 12 acc. to DIN 17440 : 1985-07. Application in chemical industry as well as for the production of screws, nuts and cold extrusion parts. In terms of its corrosion resistance there is no major difference to steel 1.4301 which is classified as highly corrosion resistant. Generally resistant in aggressive media that are poor in chloride up to pH-value 4.5. Resistance to intercrystalline corrosion only in delivery condition. This material is used in construction trade for fastening elements. Further application for mounting elements at increased and lower temperatures.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 - 7.93 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 202.24 GPa

100.0 °C

190 - 194.36 GPa

200.0 °C

182 - 186 GPa

300.0 °C

174 - 179 GPa

400.0 °C

166 - 172 GPa

500.0 °C

157.59 - 165 GPa

600.0 °C

149.24 - 150 GPa

700.0 °C

142 GPa

800.0 °C

134 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation

20.0 °C

45 %

Poisson's ratio

20.0 °C

0.29 [-]

100.0 °C

0.29 [-]

200.0 °C

0.3 [-]

300.0 °C

0.3 [-]

400.0 °C

0.31 [-]

500.0 °C

0.32 [-]

600.0 °C

0.33 [-]

Shear modulus

20.0 °C

78.33 GPa

100.0 °C

75.08 GPa

200.0 °C

71.07 GPa

300.0 °C

67.21 GPa

400.0 °C

63.34 GPa

500.0 °C

59.64 GPa

600.0 °C

56.08 GPa

Tensile strength

20.0 °C

500 - 700 MPa

50.0 °C

480 MPa

100.0 °C

450 MPa

150.0 °C

420 MPa

200.0 °C

400 MPa

250.0 °C

390 MPa

300.0 °C

380 MPa

350.0 °C

380 MPa

400.0 °C

380 MPa

450.0 °C

375 MPa

500.0 °C

360 MPa

550.0 °C

335 MPa

600.0 °C

300 MPa

Yield strength Rp0.2

20.0 °C

190 MPa

50.0 °C

177 MPa

100.0 °C

155 MPa

150.0 °C

140 MPa

200.0 °C

127 MPa

250.0 °C

118 MPa

300.0 °C

110 MPa

350.0 °C

104 MPa

400.0 °C

98 MPa

450.0 °C

95 MPa

500.0 °C

92 MPa

550.0 °C

90 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

900.0 °C

1.97E-5 1/K

1000.0 °C

2E-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)

900.0 °C

565 J/(kg·K)

1000.0 °C

571 J/(kg·K)

Thermal conductivity

20.0 °C

14.3 - 15 W/(m·K)

100.0 °C

15.8 W/(m·K)

200.0 °C

17.5 W/(m·K)

300.0 °C

19 W/(m·K)

400.0 °C

20.5 W/(m·K)

500.0 °C

21.9 W/(m·K)

600.0 °C

23.3 W/(m·K)

700.0 °C

24.6 W/(m·K)

800.0 °C

26 W/(m·K)

900.0 °C

27.4 W/(m·K)

1000.0 °C

28.8 W/(m·K)

Thermal diffusivity

20.0 °C

3.8 mm²/s

100.0 °C

4 mm²/s

200.0 °C

4.2 mm²/s

300.0 °C

4.6 mm²/s

400.0 °C

4.8 mm²/s

500.0 °C

4.9 mm²/s

600.0 °C

5 mm²/s

700.0 °C

5.3 mm²/s

800.0 °C

5.6 mm²/s

900.0 °C

5.9 mm²/s

1000.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.1E-7 - 7.3E-7 Ω·m

100.0 °C

7.76E-7 Ω·m

200.0 °C

8.49E-7 Ω·m

300.0 °C

9.14E-7 Ω·m

400.0 °C

9.71E-7 Ω·m

500.0 °C

1.02E-6 Ω·m

600.0 °C

1.07E-6 Ω·m

700.0 °C

1.1E-6 Ω·m

800.0 °C

1.14E-6 Ω·m

900.0 °C

1.17E-6 Ω·m

1000.0 °C

1.19E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.06 %

Chromium

17 - 19 %

Manganese

2 %

Nickel

11 - 13 %

Nitrogen

0.1 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 - 0.03 %


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