MakeItFrom.com
Menu (ESC)

EN 1.0590 (S450J0) Non-Alloy Steel

EN 1.0590 steel is a carbon (non-alloy) steel formulated for primary forming into wrought products. Cited properties are appropriate for the hot worked condition. 1.0590 is the EN numeric designation for this material. S450J0 is the EN chemical designation.

It has a fairly high embodied energy among wrought carbon or non-alloy steels. In addition, it has a moderately high electrical conductivity and a moderately high tensile strength.

The graph bars on the material properties cards below compare EN 1.0590 steel to: wrought carbon or non-alloy 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

Brinell Hardness

180

Elastic (Young's, Tensile) Modulus

190 GPa 27 x 106 psi

Elongation at Break

19 %

Fatigue Strength

290 MPa 42 x 103 psi

Impact Strength: V-Notched Charpy

31 J 23 ft-lb

Poisson's Ratio

0.29

Shear Modulus

73 GPa 11 x 106 psi

Shear Strength

380 MPa 55 x 103 psi

Tensile Strength: Ultimate (UTS)

620 MPa 89 x 103 psi

Tensile Strength: Yield (Proof)

430 MPa 62 x 103 psi

Thermal Properties

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

400 °C 750 °F

Melting Completion (Liquidus)

1460 °C 2660 °F

Melting Onset (Solidus)

1420 °C 2590 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

51 W/m-K 29 BTU/h-ft-°F

Thermal Expansion

12 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

7.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.4 % IACS

Otherwise Unclassified Properties

Base Metal Price

2.1 % relative

Density

7.8 g/cm3 490 lb/ft3

Embodied Carbon

1.6 kg CO2/kg material

Embodied Energy

22 MJ/kg 9.4 x 103 BTU/lb

Embodied Water

48 L/kg 5.7 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m3

Resilience: Unit (Modulus of Resilience)

480 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

22 points

Strength to Weight: Bending

21 points

Thermal Diffusivity

14 mm2/s

Thermal Shock Resistance

20 points

Alloy Composition

Iron (Fe) 96.4 to 100
Manganese (Mn) 0 to 1.8
Silicon (Si) 0 to 0.6
Copper (Cu) 0 to 0.6
Carbon (C) 0 to 0.24
Vanadium (V) 0 to 0.15
Niobium (Nb) 0 to 0.060
Titanium (Ti) 0 to 0.060
Phosphorus (P) 0 to 0.040
Sulfur (S) 0 to 0.040
Nitrogen (N) 0 to 0.027

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

Followup Questions

Similar Alloys

Further Reading

EN 10025-2: Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy structural steels

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