EN 10216-2 Grade X12CrMo91 quenched and tempered (+QT)

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Description

High temperature steel for high pressure hydrogenation vessels. In the annealed condition it is resistant to high pressure hydrogen as well as to aggressive oils. Application: hydration facilities and petroleum distillation facilities for tubes, in the quenched and tempered condition also in the vessel and apparatus construction

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.77 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

211.67 - 218 GPa

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95.0 °C

208.22 GPa

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100.0 °C

213 - 214 GPa

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150.0 °C

204.77 GPa

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200.0 °C

206 - 207 GPa

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205.0 °C

200.64 GPa

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260.0 °C

196.5 GPa

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300.0 °C

198 - 199 GPa

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315.0 °C

191.67 GPa

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370.0 °C

186.85 GPa

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400.0 °C

190 GPa

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425.0 °C

181.33 GPa

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485.0 °C

175.82 GPa

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500.0 °C

180 GPa

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540.0 °C

170.3 GPa

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595.0 °C

165.47 GPa

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600.0 °C

167 - 168 GPa

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650.0 °C

159.96 GPa

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700.0 °C

150 GPa

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760.0 °C

137.21 GPa

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Elongation

20.0 °C

20 %

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Elongation, transverse

20.0 °C

18 %

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Poisson's ratio

20.0 °C

0.3 [-]

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95.0 °C

0.3 [-]

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150.0 °C

0.3 [-]

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205.0 °C

0.3 [-]

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260.0 °C

0.3 [-]

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315.0 °C

0.3 [-]

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370.0 °C

0.3 [-]

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425.0 °C

0.3 [-]

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485.0 °C

0.31 [-]

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540.0 °C

0.31 [-]

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595.0 °C

0.3 [-]

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650.0 °C

0.33 [-]

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760.0 °C

0.33 [-]

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Shear modulus

20.0 °C

81.7 GPa

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95.0 °C

80.32 GPa

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150.0 °C

78.95 GPa

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205.0 °C

77.22 GPa

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260.0 °C

75.5 GPa

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315.0 °C

73.77 GPa

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370.0 °C

71.71 GPa

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425.0 °C

69.64 GPa

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485.0 °C

67.22 GPa

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540.0 °C

65.16 GPa

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595.0 °C

63.43 GPa

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650.0 °C

60.33 GPa

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760.0 °C

51.71 GPa

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Tensile strength

20.0 °C

590 - 740 MPa

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100.0 °C

550 MPa

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150.0 °C

525 MPa

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200.0 °C

500 MPa

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250.0 °C

490 MPa

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300.0 °C

480 MPa

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350.0 °C

460 MPa

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400.0 °C

430 MPa

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450.0 °C

405 MPa

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500.0 °C

360 MPa

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Tensile strength, transverse

20.0 °C

590 - 740 MPa

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Yield strength Rp0.2

20.0 °C

390 MPa

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100.0 °C

375 MPa

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150.0 °C

365 MPa

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200.0 °C

355 MPa

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250.0 °C

345 MPa

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300.0 °C

335 MPa

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350.0 °C

325 MPa

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400.0 °C

315 MPa

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450.0 °C

295 MPa

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500.0 °C

275 MPa

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Yield strength Rp0.2, transverse

20.0 °C

390 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1E-5 1/K

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20.0 °C

1.08E-5 1/K

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100.0 °C

1.12E-5 - 1.13E-5 1/K

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200.0 °C

1.16E-5 - 1.18E-5 1/K

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300.0 °C

1.2E-5 - 1.23E-5 1/K

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400.0 °C

1.23E-5 - 1.27E-5 1/K

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425.0 °C

1.19E-5 1/K

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485.0 °C

1.22E-5 1/K

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500.0 °C

1.26E-5 - 1.3E-5 1/K

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540.0 °C

1.23E-5 1/K

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595.0 °C

1.25E-5 1/K

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600.0 °C

1.29E-5 - 1.32E-5 1/K

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650.0 °C

1.27E-5 1/K

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700.0 °C

1.33E-5 1/K

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Melting point

1382 - 1529 °C

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Typical for Chromium Molybdenum Steel

Specific heat capacity

20.0 °C

429 J/(kg·K)

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100.0 °C

464 - 500 J/(kg·K)

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200.0 °C

492 - 530 J/(kg·K)

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300.0 °C

511 - 560 J/(kg·K)

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400.0 °C

531 - 610 J/(kg·K)

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500.0 °C

554 - 680 J/(kg·K)

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600.0 °C

585 - 780 J/(kg·K)

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700.0 °C

626 J/(kg·K)

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Thermal conductivity

20.0 °C

20.7 W/(m·K)

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100.0 °C

22.6 - 23 W/(m·K)

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200.0 °C

24 - 24.4 W/(m·K)

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300.0 °C

25.8 - 26 W/(m·K)

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400.0 °C

26.9 - 27 W/(m·K)

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500.0 °C

27.8 - 28 W/(m·K)

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600.0 °C

28.5 - 29 W/(m·K)

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700.0 °C

28.8 W/(m·K)

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Thermal diffusivity

20.0 °C

6.2 mm²/s

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100.0 °C

5.9 mm²/s

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200.0 °C

6 mm²/s

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300.0 °C

6 mm²/s

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400.0 °C

5.7 mm²/s

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500.0 °C

5.4 mm²/s

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600.0 °C

4.8 mm²/s

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700.0 °C

4 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.03E-7 Ω·m

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100.0 °C

5.67E-7 - 5.7E-7 Ω·m

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200.0 °C

6.47E-7 - 6.5E-7 Ω·m

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300.0 °C

7.27E-7 - 7.3E-7 Ω·m

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400.0 °C

8.09E-7 - 8.1E-7 Ω·m

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500.0 °C

8.9E-7 Ω·m

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600.0 °C

9.7E-7 - 9.72E-7 Ω·m

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700.0 °C

1.06E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.15 %

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Chromium

8 - 10 %

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Manganese

0.3 - 0.6 %

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Molybdenum

0.9 - 1.1 %

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Phosphorus

0.03 %

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Silicon

0.25 - 1 %

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Sulfur

0.03 %

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