EN 10089 Grade 56Si7 quenched and tempered (+QT)

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The steel 56Si7 is used for hot formed springs, leaf springs up to 7 mm thickness, coil springs, spring plates and diaphragm springs for mechanical engineering.

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Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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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23.0 °C

7.8 g/cm³

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Typical for Steel



Elastic modulus

23.0 °C

190 - 210 GPa

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Typical for Steel


20.0 °C

6 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Steel

Reduction of area

20.0 °C

25 %

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Tensile strength

20.0 °C

1450 - 1750 MPa

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Yield strength Rp0.2

20.0 °C

1300 MPa

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Chemical properties



0.52 - 0.6 %

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0.6 - 0.9 %

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0.03 %

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1.6 - 2 %

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0.025 %

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Technological properties