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EN 10217-7 Grade X6CrNiMoTi17-12-2 Solution-Annealed Steel – High‑Temperature Corrosion Resistance & Structural Strength

The austenitic steel X6CrNiMoTi17-12-2 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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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.96 - 8 g/cm³

Mechanical

PropertyTemperatureValueComment

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

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation

20.0 °C

35 %

Elongation, transverse

20.0 °C

30 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

500 - 730 MPa

Tensile strength, transverse

20.0 °C

500 - 730 MPa

Yield strength Rp0.2

20.0 °C

210 MPa

50.0 °C

182 - 202 MPa

100.0 °C

166 - 185 MPa

150.0 °C

152 - 177 MPa

200.0 °C

137 - 167 MPa

250.0 °C

127 - 157 MPa

300.0 °C

118 - 145 MPa

350.0 °C

113 - 140 MPa

400.0 °C

108 - 135 MPa

450.0 °C

103 - 131 MPa

500.0 °C

100 - 129 MPa

550.0 °C

98 - 127 MPa

Yield strength Rp0.2, transverse

20.0 °C

210 MPa

Yield strength Rp1.0

20.0 °C

245 MPa

50.0 °C

201 - 234 MPa

100.0 °C

181 - 208 MPa

150.0 °C

162 - 195 MPa

200.0 °C

147 - 185 MPa

250.0 °C

137 - 175 MPa

300.0 °C

127 - 167 MPa

350.0 °C

121 - 161 MPa

400.0 °C

116 - 156 MPa

450.0 °C

112 - 152 MPa

500.0 °C

109 - 149 MPa

550.0 °C

108 - 147 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

1.65E-5 - 1.67E-5 1/K

200.0 °C

1.72E-5 - 1.75E-5 1/K

300.0 °C

1.77E-5 - 1.8E-5 1/K

400.0 °C

1.81E-5 - 1.85E-5 1/K

500.0 °C

1.84E-5 - 1.9E-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

13.3 - 15 W/(m·K)

100.0 °C

14.9 W/(m·K)

200.0 °C

16.5 W/(m·K)

300.0 °C

18.1 W/(m·K)

400.0 °C

19.5 W/(m·K)

500.0 °C

21 W/(m·K)

600.0 °C

22.4 W/(m·K)

700.0 °C

23.8 W/(m·K)

800.0 °C

25.2 W/(m·K)

Thermal diffusivity

20.0 °C

3.5 mm²/s

100.0 °C

3.8 mm²/s

200.0 °C

4 mm²/s

300.0 °C

4.3 mm²/s

400.0 °C

4.5 mm²/s

500.0 °C

4.7 mm²/s

600.0 °C

4.8 mm²/s

700.0 °C

5.1 mm²/s

800.0 °C

5.4 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.5E-7 - 7.91E-7 Ω·m

100.0 °C

8.45E-7 Ω·m

200.0 °C

9.19E-7 Ω·m

300.0 °C

9.77E-7 Ω·m

400.0 °C

1.03E-6 Ω·m

500.0 °C

1.08E-6 Ω·m

600.0 °C

1.12E-6 Ω·m

700.0 °C

1.15E-6 Ω·m

800.0 °C

1.18E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.08 %

Chromium

16.5 - 18.5 %

Manganese

2 %

Molybdenum

2 - 2.5 %

Nickel

10.5 - 13.5 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %

Titanium

0.7 %


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