DIN 1651 Grade 35SPb20 cold drawn and stress relieved

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Description

The fully killed machining steel 35 SPb 20 is used for mass parts of mean strength, especially for lower toughness demands cross-sectional. Its better machinable because of the Pb addition. Application in the automotive engineering, toolbuilding, apparatus engineering (screws, nuts, smal parts).

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

7.85 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

210 GPa

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200.0 °C

193 GPa

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300.0 °C

185 GPa

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400.0 °C

175 GPa

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Medium Carbon Steel

Shear modulus

20.0 °C

81 GPa

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Tensile strength

20.0 °C

680 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.1E-5 1/K

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200.0 °C

1.18E-5 1/K

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400.0 °C

1.32E-5 1/K

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Max service temperature

500 °C

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Typical for Carbon Steel

Melting point

1380 - 1514 °C

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Typical for Medium Carbon Steel

Specific heat capacity

20.0 °C

420 J/(kg·K)

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100.0 °C

490 J/(kg·K)

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200.0 °C

530 J/(kg·K)

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400.0 °C

610 J/(kg·K)

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Thermal conductivity

20.0 °C

49 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.2E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.32 - 0.39 %

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Lead

0.15 - 0.35 %

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Manganese

0.7 - 1.1 %

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Phosphorus

0.06 %

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Silicon

0.1 - 0.3 %

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Sulfur

0.18 - 0.25 %

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