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DIN 1654‑5: X6CrNiMoTi17‑12‑2 Quenched Steel – Premium Cold‑Forming & Corrosion Resistance

The steel X 6 CrNiMoTi 17 12 2 is well suited for cold-forming, one must be aware of the increased cold strain hardening compared to carbon steels. Cold forming is worse than for X 5 CrNiMo 17 12 2. Its increased corrosion resistance to non-oxidizing acids and substances containing halogen allow it to be used in the chemical equipment construction industry, and in the soap, cellulose, fatty aicd, rubber and paint industries. It is used for stainless steel screws, nuts and molded parts in temperatures of -200 to 550 degrees C (avoid the influence of substances causing intergranular corrosion).

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.96 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 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

40 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Reduction of area

20.0 °C

55 %

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

500 - 730 MPa

Yield strength

20.0 °C

210 MPa

Yield strength Rp0.2

50.0 °C

202 MPa

100.0 °C

185 MPa

150.0 °C

177 MPa

200.0 °C

167 MPa

250.0 °C

157 MPa

300.0 °C

145 MPa

Yield strength Rp1.0

50.0 °C

234 MPa

100.0 °C

218 MPa

150.0 °C

206 MPa

200.0 °C

196 MPa

250.0 °C

186 MPa

300.0 °C

175 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 - 1.85E-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

Max service temperature, long

-200 - 550 °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 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 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

7.91E-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

0.03 %


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