# EN 1.0446 (GE240) Cast Non-Alloy Steel

EN 1.0446 cast steel is a carbon steel formulated for casting. Cited properties are appropriate for the normalized condition. 1.0446 is the EN numeric designation for this material. GE240 is the EN chemical designation.

The graph bars on the material properties cards below compare EN 1.0446 cast steel to: cast carbon steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

## Mechanical Properties

Elastic (Young's, Tensile) Modulus

190 *GPa* 27 *x 10 ^{6} psi*

Elongation at Break

25 *%*

Fatigue Strength

200 *MPa* 28 *x 10 ^{3} psi*

Impact Strength: V-Notched Charpy

31 *J* 23 *ft-lb*

Poisson's Ratio

0.29

Shear Modulus

73 *GPa* 11 *x 10 ^{6} psi*

Tensile Strength: Ultimate (UTS)

530 *MPa* 76 *x 10 ^{3} psi*

Tensile Strength: Yield (Proof)

270 *MPa* 39 *x 10 ^{3} psi*

## Thermal Properties

Latent Heat of Fusion

250 *J/g*

Maximum Temperature: Mechanical

400 *°C* 750 *°F*

Melting Completion (Liquidus)

1470 *°C* 2680 *°F*

Melting Onset (Solidus)

1430 *°C* 2600 *°F*

Specific Heat Capacity

470 *J/kg-K* 0.11 *BTU/lb-°F*

Thermal Conductivity

53 *W/m-K* 30 *BTU/h-ft-°F*

Thermal Expansion

12 *µm/m-K*

## Electrical Properties

Electrical Conductivity: Equal Volume

7.8 *% IACS*

Electrical Conductivity: Equal Weight (Specific)

8.9 *% IACS*

## Otherwise Unclassified Properties

Base Metal Price

1.7 *% relative*

Density

7.9 *g/cm ^{3}* 490

*lb/ft*

^{3}Embodied Carbon

1.4 *kg CO _{2}/kg material*

Embodied Energy

18 *MJ/kg* 7.7 *x 10 ^{3} BTU/lb*

Embodied Water

45 *L/kg* 5.3 *gal/lb*

## Common Calculations

Resilience: Ultimate (Unit Rupture Work)

110 *MJ/m ^{3}*

Resilience: Unit (Modulus of Resilience)

190 *kJ/m ^{3}*

Stiffness to Weight: Axial

13 *points*

Stiffness to Weight: Bending

24 *points*

Strength to Weight: Axial

19 *points*

Strength to Weight: Bending

18 *points*

Thermal Diffusivity

14 *mm ^{2}/s*

Thermal Shock Resistance

17 *points*

## Alloy Composition

Fe | 99.935 to 100 | |

P | 0 to 0.035 | |

S | 0 to 0.030 |

All values are % weight. Ranges represent what is permitted under applicable standards.

## Followup Questions

## Similar Alloys

## Further Reading

EN 10293: Steel castings - Steel castings for general engineering uses

Microstructure of Steels and Cast Irons, Madeleine Durand-Charre, 2004

Carbon Steel Handbook, D. Gandy, 2007

Ferrous Materials: Steel and Cast Iron, Hans Berns and Werner Theisen, 2008

Steels: Processing, Structure, and Performance, 2nd ed., George Krauss, 2015