EN 10222-2 Grade 15MnMoV4-5 normalized and tempered (+NT)

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Description

The high-temperature material 15MnMoV4-5, material number 1.5402,P245GH, is used for steam boilers and pressure vessels.

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

PropertyTemperatureValueComment

Density

23.0 °C

7.8 - 7.9 g/cm³

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Typical for Chromium Molybdenum Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

200 - 215 GPa

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Typical for Chromium Molybdenum Steel

Elongation

20.0 °C

19 - 23 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Chromium Molybdenum Steel

Tensile strength

20.0 °C

510 - 650 MPa

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Yield strength

20.0 °C

325 - 345 MPa

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Yield strength Rp0.2

20.0 °C

315 - 335 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.1E-5 - 1.4E-5 1/K

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Typical for Chromium Molybdenum Steel

Melting point

1382 - 1529 °C

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Typical for Chromium Molybdenum Steel

Specific heat capacity

23.0 °C

448 - 502 J/(kg·K)

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Typical for Chromium Molybdenum Steel

Thermal conductivity

23.0 °C

36 - 43 W/(m·K)

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Typical for Chromium Molybdenum Steel

Chemical properties

PropertyValue

Carbon

0.18 %

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Manganese

0.9 - 1.4 %

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Molybdenum

0.4 - 0.6 %

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Phosphorus

0.03 %

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Silicon

0.4 %

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Sulfur

0.01 - 0.015 %

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Vanadium

0.04 - 0.08 %

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