EN 10263-3 Grade Cq15 cold drawn, annealed to achieve spheroidized carbides and slightly skin passed

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Description

The cold-upsettable steel Cq 15 is suitable for the manufacture of screws, nuts and small parts (valve spring plates, bearing sleeves) used in automobile, motor and equipment construction and in general engineering. For lower requirements and smaller sections, carbon steel is sufficient if the requirements for strength increase and for larger dimensions, alloyed steel of sufficient hardenability must be used.

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

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

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20.0 °C

212 GPa

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100.0 °C

207 GPa

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200.0 °C

199 GPa

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300.0 °C

192 GPa

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400.0 °C

184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Poisson's ratio

20.0 °C

0.28 [-]

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Reduction of area

20.0 °C

65 %

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Tensile strength

20.0 °C

470 - 490 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

1.25E-5 1/K

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200.0 °C

1.3E-5 1/K

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300.0 °C

1.36E-5 1/K

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400.0 °C

1.41E-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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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

461 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

499 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 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

20.0 °C

56.9 W/(m·K)

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100.0 °C

56.4 W/(m·K)

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200.0 °C

53.5 W/(m·K)

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300.0 °C

49.4 W/(m·K)

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400.0 °C

45.2 W/(m·K)

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500.0 °C

41.3 W/(m·K)

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600.0 °C

37.6 W/(m·K)

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Thermal diffusivity

20.0 °C

15.7 mm²/s

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100.0 °C

14.5 mm²/s

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200.0 °C

12.9 mm²/s

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300.0 °C

11.2 mm²/s

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400.0 °C

9.6 mm²/s

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500.0 °C

7.9 mm²/s

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600.0 °C

6.3 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.83E-7 Ω·m

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100.0 °C

2.27E-7 Ω·m

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200.0 °C

2.95E-7 Ω·m

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300.0 °C

3.8E-7 Ω·m

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400.0 °C

4.81E-7 Ω·m

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500.0 °C

5.99E-7 Ω·m

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600.0 °C

7.38E-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

0.12 - 0.18 %

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Manganese

0.3 - 0.6 %

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Phosphorus

0.04 %

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Silicon

0.4 %

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Sulfur

0.035 %

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