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EN 10216-2 Grade 20CrMoV13-5 Quenched & Tempered Steel – High‑Temperature, High‑Pressure Hydrogenation Applications

High temperature steel for high pressure hydrogenation vessels up to 480 °C. Application: high pressure synthesis devices up to pressures of 200 bar in the chemical industry, bundled tubes, high pressure sealing

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.83 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 GPa

100.0 °C

207 - 209 GPa

200.0 °C

199 - 202 GPa

300.0 °C

192 - 195 GPa

400.0 °C

184 - 187 GPa

500.0 °C

175 - 178 GPa

600.0 °C

164 - 167 GPa

Elongation

20.0 °C

17 %

Elongation, transverse

20.0 °C

13 %

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Chromium Molybdenum Steel

Tensile strength

20.0 °C

740 - 880 MPa

100.0 °C

690 MPa

150.0 °C

670 MPa

200.0 °C

650 MPa

250.0 °C

630 MPa

300.0 °C

610 MPa

350.0 °C

570 MPa

400.0 °C

520 MPa

450.0 °C

465 MPa

500.0 °C

410 MPa

Tensile strength, transverse

20.0 °C

740 - 880 MPa

Yield strength Rp0.2

20.0 °C

590 MPa

100.0 °C

580 MPa

150.0 °C

575 MPa

200.0 °C

570 MPa

250.0 °C

560 MPa

300.0 °C

530 MPa

350.0 °C

510 MPa

400.0 °C

470 MPa

450.0 °C

420 MPa

500.0 °C

370 MPa

Yield strength Rp0.2, transverse

20.0 °C

590 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

20.0 °C

1.15E-5 1/K

100.0 °C

1.19E-5 - 1.21E-5 1/K

200.0 °C

1.25E-5 - 1.27E-5 1/K

300.0 °C

1.3E-5 - 1.32E-5 1/K

400.0 °C

1.34E-5 - 1.36E-5 1/K

500.0 °C

1.38E-5 - 1.4E-5 1/K

600.0 °C

1.41E-5 - 1.44E-5 1/K

Max service temperature, long

0 - 480 °C

Melting point

1382 - 1529 °C

Typical for Chromium Molybdenum Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 J/(kg·K)

100.0 °C

460 - 479 J/(kg·K)

200.0 °C

480 - 499 J/(kg·K)

300.0 °C

500 - 517 J/(kg·K)

400.0 °C

520 - 536 J/(kg·K)

500.0 °C

550 - 558 J/(kg·K)

600.0 °C

570 - 587 J/(kg·K)

Thermal conductivity

20.0 °C

25.7 W/(m·K)

100.0 °C

27 - 27.4 W/(m·K)

200.0 °C

28.5 - 29 W/(m·K)

300.0 °C

28.9 - 29 W/(m·K)

400.0 °C

28.5 - 29 W/(m·K)

500.0 °C

27.7 - 28 W/(m·K)

600.0 °C

26.8 - 27 W/(m·K)

Thermal diffusivity

20.0 °C

7.1 mm²/s

100.0 °C

7.1 mm²/s

200.0 °C

6.9 mm²/s

300.0 °C

6.6 mm²/s

400.0 °C

6.1 mm²/s

500.0 °C

5.3 mm²/s

600.0 °C

4.5 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

4.05E-7 Ω·m

100.0 °C

4.67E-7 - 4.7E-7 Ω·m

200.0 °C

5.5E-7 - 5.53E-7 Ω·m

300.0 °C

6.5E-7 Ω·m

400.0 °C

7.6E-7 - 7.62E-7 Ω·m

500.0 °C

8.9E-7 - 8.92E-7 Ω·m

600.0 °C

1.03E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.17 - 0.23 %

Chromium

3 - 3.3 %

Manganese

0.3 - 0.5 %

Molybdenum

0.5 - 0.6 %

Phosphorus

0.02 %

Silicon

0.15 - 0.35 %

Sulfur

0.02 %

Vanadium

0.45 - 0.55 %


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