ISO 683-4 Grade 11SMn37 untreated

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Description

Free-cutting steel 11SMn37 is not intended for heat-treatment and is preferred 11SMn30 for higher machinability and surface appearance demands due to its higher S-content. The Pb-alloyed steel 11SMnPb30 is replaced by 11SMn37 for lower machinability requirements. Increased crack sensitivity has to be considered. Therefore limited application for bulk parts in car industry as well as in apparatus and equipment engineering.

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

7.83 - 7.85 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

217 GPa

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20.0 °C

210 - 212 GPa

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100.0 °C

207 GPa

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200.0 °C

193 - 199 GPa

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300.0 °C

185 - 192 GPa

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400.0 °C

175 - 184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Hardness, Brinell

20.0 °C

107 - 169 [-]

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Low Carbon Steel

Shear modulus

20.0 °C

81 GPa

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Tensile strength

20.0 °C

360 - 570 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.08E-5 1/K

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20.0 °C

1.19E-5 1/K

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100.0 °C

1.1E-5 - 1.25E-5 1/K

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200.0 °C

1.18E-5 - 1.3E-5 1/K

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300.0 °C

1.36E-5 1/K

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400.0 °C

1.32E-5 - 1.41E-5 1/K

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500.0 °C

1.45E-5 1/K

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600.0 °C

1.49E-5 1/K

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Max service temperature

500 °C

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Typical for Carbon Steel

Melting point

1480 - 1526 °C

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Typical for Low Carbon Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

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20.0 °C

460 - 461 J/(kg·K)

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100.0 °C

479 - 480 J/(kg·K)

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200.0 °C

499 - 520 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 - 610 J/(kg·K)

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500.0 °C

558 J/(kg·K)

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600.0 °C

587 J/(kg·K)

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Thermal conductivity

-100.0 °C

37.6 W/(m·K)

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20.0 °C

42.2 - 54.4 W/(m·K)

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100.0 °C

43.2 W/(m·K)

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200.0 °C

42.9 W/(m·K)

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300.0 °C

41.2 W/(m·K)

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400.0 °C

39.1 W/(m·K)

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500.0 °C

36.6 W/(m·K)

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600.0 °C

34.1 W/(m·K)

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Thermal diffusivity

-100.0 °C

12.9 mm²/s

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20.0 °C

11.7 mm²/s

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100.0 °C

11.2 mm²/s

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200.0 °C

10.3 mm²/s

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300.0 °C

9.4 mm²/s

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400.0 °C

8.3 mm²/s

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500.0 °C

7.1 mm²/s

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600.0 °C

5.7 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

1.82E-7 Ω·m

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20.0 °C

1.1E-7 - 2.47E-7 Ω·m

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100.0 °C

2.96E-7 Ω·m

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200.0 °C

3.68E-7 Ω·m

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300.0 °C

4.55E-7 Ω·m

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400.0 °C

5.56E-7 Ω·m

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500.0 °C

6.75E-7 Ω·m

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600.0 °C

8.13E-7 Ω·m

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Magnetic

PropertyValueComment

Curie temperature

770 °C

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Typical for Low Carbon Steel

Chemical properties

PropertyValue

Carbon

0.14 %

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Manganese

1 - 1.5 %

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Phosphorus

0.11 %

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Silicon

0.05 %

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Sulfur

0.34 - 0.4 %

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