EN 10132-4 Grade 125Cr2 quenched and tempered (+QT)

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Description

The steel 125Cr2 is used as cold rolled strip for springs and special applications in thicknesses of up to 6 mm and as tempered cold strip in thicknesses from 0.30 to 3.00 mm.

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

7.72 - 8 g/cm³

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Typical for Tool And Machining Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

203 - 211 GPa

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Typical for Tool And Machining Steel

Hardness, Rockwell C

20.0 °C

42 - 57 [-]

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Hardness, Vickers

20.0 °C

405 - 630 [-]

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Tool And Machining Steel

Shear modulus

23.0 °C

79 GPa

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Typical for Tool And Machining Steel

Tensile strength

20.0 °C

1300 - 2100 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

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

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Melting point

1370 - 1425 °C

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Specific heat capacity

23.0 °C

420 - 460 J/(kg·K)

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Thermal conductivity

23.0 °C

17 - 42 W/(m·K)

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Typical for Tool And Machining Steel

Chemical properties

PropertyValue

Carbon

1.2 - 1.3 %

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Chromium

0.4 - 0.6 %

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Manganese

0.25 - 0.4 %

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Molybdenum

0.1 %

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Nickel

0.4 %

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Phosphorus

0.03 %

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Silicon

0.15 - 0.35 %

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Sulfur

0.025 %

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