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X2CrNiMo18-14-3 Austenitic Steel – Solution Annealed (EN 10217‑7) – Superior Corrosion & Temperature Resistance

The austenitic steel X2CrNiMo18-14-3 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 400 °C) also in the welded condition.

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Additional services: To ensure our customers' processes and/or products attain – and even exceed – their performance expectations, we offer a wide range of services within both the technical area and delivery logistics. Our technical services include: • Material consultations through our worldwide sales network • Advice in process optimization based on an in-depth applications knowledge • Joint new product development supported by our extensive R&D program View product groups and services

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Additional services: Your opportunities: production according your drawings machining of high-performance materials prototypes / small series heat treating

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8 - 8.01 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 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

30 %

Poisson's ratio

20.0 °C

0.28 [-]

Shear modulus

20.0 °C

77.3 GPa

Tensile strength

20.0 °C

490 - 690 MPa

Tensile strength, transverse

20.0 °C

490 - 690 MPa

Yield strength Rp0.2

20.0 °C

190 MPa

50.0 °C

180 MPa

100.0 °C

165 MPa

150.0 °C

150 MPa

200.0 °C

137 MPa

250.0 °C

127 MPa

300.0 °C

119 MPa

350.0 °C

113 MPa

400.0 °C

108 MPa

450.0 °C

103 MPa

500.0 °C

100 MPa

550.0 °C

98 MPa

Yield strength Rp0.2, transverse

20.0 °C

190 MPa

Yield strength Rp1.0

20.0 °C

225 MPa

50.0 °C

217 MPa

100.0 °C

200 MPa

150.0 °C

180 MPa

200.0 °C

165 MPa

250.0 °C

153 MPa

300.0 °C

145 MPa

350.0 °C

139 MPa

400.0 °C

135 MPa

450.0 °C

130 MPa

500.0 °C

128 MPa

550.0 °C

127 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

13.5 - 15 W/(m·K)

100.0 °C

14.9 W/(m·K)

200.0 °C

16.7 W/(m·K)

300.0 °C

18.3 W/(m·K)

400.0 °C

19.8 W/(m·K)

500.0 °C

21.3 W/(m·K)

600.0 °C

22.7 W/(m·K)

700.0 °C

24.2 W/(m·K)

800.0 °C

25.6 W/(m·K)

Thermal diffusivity

20.0 °C

3.6 mm²/s

100.0 °C

3.7 mm²/s

200.0 °C

4 mm²/s

300.0 °C

4.4 mm²/s

400.0 °C

4.6 mm²/s

500.0 °C

4.7 mm²/s

600.0 °C

4.9 mm²/s

700.0 °C

5.2 mm²/s

800.0 °C

5.5 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.5E-7 - 7.75E-7 Ω·m

100.0 °C

8.42E-7 Ω·m

200.0 °C

9.04E-7 Ω·m

300.0 °C

9.62E-7 Ω·m

400.0 °C

1.01E-6 Ω·m

500.0 °C

1.06E-6 Ω·m

600.0 °C

1.1E-6 Ω·m

700.0 °C

1.13E-6 Ω·m

800.0 °C

1.16E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

17 - 19 %

Manganese

2 %

Molybdenum

2.5 - 3 %

Nickel

12.5 - 15 %

Nitrogen

0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %


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    1. EN 10222-5 X2CrNiMo18-14-3 Solution‑Annealed Grade for Corrosion‑Resistant Applications
    2. X2CrNiMo18-14-3 Solution Annealed – EN 10250-4 Grade, Superior Corrosion Resistance
    3. EN 10217-7 X5CrNi18-10 Austenitic Steel – Solution Annealed (+AT) for Corrosion Resistance
    4. EN 10217-7 Grade X6CrNiMoTi17-12-2 Solution-Annealed Steel – High‑Temperature Corrosion Resistance & Structural Strength
    5. EN 10217-7 X6CrNiTi18-10 Solution-Annealed Austenitic Steel – Corrosion-Resistant & High-Temperature Performance
    6. X2CrNiMo18-14-3 Austenitic Steel – Solution Annealed (EN 10217‑7) – Superior Corrosion & Temperature Resistance
    7. EN 10216-5 X2CrNiMo18-14-3 Solution-Annealed Steel (+AT) – Superior Corrosion Resistance
    8. EN 10028-7 Grade X2CrNiMo18-14-3 – Solution-Annealed Stainless Steel with Superior Corrosion Resistance
    9. EN 10088-1 Grade X2CrNiMo18-14-3 Solution Annealed (+AT): Superior Corrosion Resistance for Chemical & Pharmaceutical Applications
    10. X2CrNiMo18-14-3 Grade Steel – Solution Annealed with AT – EN 10272 Standard