Durapur 1219 QT

Alternative and trade names
Durapur 1219, 1.1219, C56E2
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Description

1.1219 (C56E2) is an unalloyed Bearing steel which used for components in the rolling bearing industry that are relatively low burdened, such as flanges.

Related Standards

Equivalent Materials

This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

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

PropertyValue

Density

7.7 g/cm³

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Dimension

PropertyValueComment

Diameter

100 mm

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max.

Mechanical

PropertyValueComment

Elastic modulus

210 GPa

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Elongation

12.0 - 15.0 %

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Hardness, Brinell

229.0

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annealed

Reduction of area

30.0 - 40.0 %

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Tensile strength

650.0 - 900.0 MPa

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Yield strength

400.0 - 520.0 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100 °C

0.0000115 1/K

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for 20°C to the mentioned temperature

200 °C

0.0000125 1/K

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for 20°C to the mentioned temperature

300 °C

0.0000133 1/K

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for 20°C to the mentioned temperature

400 °C

0.0000139 1/K

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for 20°C to the mentioned temperature

Specific heat capacity

470.0 J/(kg·K)

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Thermal conductivity

42.6 W/(m·K)

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Electrical

PropertyValue

Electrical resistivity

1.9e-07 Ω·m

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Chemical properties

PropertyValue

Carbon

0.52 - 0.6000000000000001 %

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Manganese

0.6000000000000001 - 0.9 %

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Phosphorus

0.025

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Silicon

0.4

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Sulfur

0.015

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Technological properties

Property
Application areas

It is used for components in the rolling bearing industry that are relatively low burdened, such as flanges.

Heat Treatment

Normalizing 830-860°C (Air), Soft annealing: 650-700°C (Oven, slow cooling), Quenching: 805-845°C (Water, Oil, Polymer), Tempering: 550-660°C (Water, Oil, Polymer)

Hot forming

It is formable at 850-1100°C and should be then slowly cooled.

Processing history

Quenched and Tempered

Welding

It is not weldable.