EN 10139 Grade St 2 cold rolled, annealed

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The soft non-alloy steel St 2, St 12 acc. to DIN 1623/1, is suitable for cold forming. The steel is offered in different conditions (from K to K70) with different strength and cupping values. The steel is applicated in the plant and tool engineering. No stretcher lines in the conditions K40 to 70. The steel is weldable, in the conditions K32 to K70 the strength can be decreased post welding.

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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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20.0 °C

7.8 - 7.9 g/cm³

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Typical for Low Carbon Steel



Elastic modulus

20.0 °C

200 - 215 GPa

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Typical for Low Carbon Steel


20.0 °C

32 %

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Elongation A80

20.0 °C

28 %

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Poisson's ratio

20.0 °C

0.29 [-]

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Typical for Low Carbon Steel

Tensile strength

20.0 °C

270 - 390 MPa

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Coefficient of thermal expansion

20.0 °C

1.32E-5 - 1.38E-5 1/K

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Typical for Low Carbon Steel

Melting point

1480 - 1526 °C

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Typical for Low Carbon Steel



Curie temperature

770 °C

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Typical for Low Carbon Steel

Chemical properties



0.1 %

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7E-3 %

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