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EN 10132-4 Grade 125Cr2 – Soft Annealed Steel with Optional Skin Pass (+A/+A+LC)

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.

Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

7.72 - 8 g/cm³

Typical for Tool And Machining Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

203 - 211 GPa

Typical for Tool And Machining Steel

Elongation A80

20.0 °C

11 %

Hardness, Brinell

20.0 °C

97 [-]

Hardness, Vickers

20.0 °C

235 [-]

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Tool And Machining Steel

Shear modulus

23.0 °C

79 GPa

Typical for Tool And Machining Steel

Tensile strength

20.0 °C

750 MPa

Yield strength Rp0.2

20.0 °C

590 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

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

Typical for Tool And Machining Steel

Melting point

1370 - 1425 °C

Typical for Tool And Machining Steel

Specific heat capacity

23.0 °C

420 - 460 J/(kg·K)

Typical for Tool And Machining Steel

Thermal conductivity

23.0 °C

17 - 42 W/(m·K)

Typical for Tool And Machining Steel

Chemical properties

PropertyValue

Carbon

1.2 - 1.3 %

Chromium

0.4 - 0.6 %

Manganese

0.25 - 0.4 %

Molybdenum

0.1 %

Nickel

0.4 %

Phosphorus

0.03 %

Silicon

0.15 - 0.35 %

Sulfur

0.025 %


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