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EN 10216-2: X10CrMoVNb9-1 Seamless Tube – Normalized & Tempered for High‑Temperature Applications

Seamless tubes of the high-temperature X10CrMoVNb9-1 are used in steam boiler and pipeline construction, pressure vessel and apparatus engineering, especially in chemical industry and power station construction at temperatures from approx. 200 °C to maximum 400 °C and simultaneously high pressures. The total load and the special scaling circumstances can decrease or increase the temperature limit. Weldability is available.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

218 GPa

100.0 °C

213 GPa

200.0 °C

206 GPa

300.0 °C

198 GPa

400.0 °C

190 GPa

500.0 °C

180 GPa

600.0 °C

167 GPa

Elongation

20.0 °C

19 %

Elongation, transverse

20.0 °C

17 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Martensitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Martensitic Stainless Steel

Tensile strength

20.0 °C

630 - 830 MPa

Tensile strength, transverse

20.0 °C

630 - 830 MPa

Yield strength Rp0.2

20.0 °C

450 MPa

100.0 °C

410 MPa

150.0 °C

395 MPa

200.0 °C

380 MPa

250.0 °C

370 MPa

300.0 °C

360 MPa

350.0 °C

350 MPa

400.0 °C

340 MPa

450.0 °C

320 MPa

500.0 °C

300 MPa

550.0 °C

270 MPa

600.0 °C

215 MPa

Yield strength Rp0.2, transverse

20.0 °C

450 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.09E-5 1/K

200.0 °C

1.13E-5 1/K

300.0 °C

1.17E-5 1/K

400.0 °C

1.2E-5 1/K

500.0 °C

1.23E-5 1/K

600.0 °C

1.26E-5 1/K

Max service temperature, long

550 - 600 °C

Melting point

1370 - 1530 °C

Typical for Martensitic Stainless Steel

Specific heat capacity

23.0 °C

460 J/(kg·K)

Typical for Martensitic Stainless Steel

Thermal conductivity

20.0 °C

26 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5E-7 Ω·m

Chemical properties

PropertyValue

Aluminium

0.02 - 0.04 %

Carbon

0.08 - 0.12 %

Chromium

8 - 9.5 %

Copper

0.3 %

Manganese

0.3 - 0.6 %

Molybdenum

0.85 - 1.05 %

Nickel

0.4 %

Niobium

0.06 - 0.1 %

Nitrogen

0.03 - 0.07 %

Phosphorus

0.02 %

Silicon

0.2 - 0.5 %

Sulfur

0.005 - 0.01 %

Titanium

0.01 %

Vanadium

0.18 - 0.25 %


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