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Quenched and Tempered (+QT3) 1.5410 Cast Steel

EN 1.5410 +QT3 steel is EN 1.5410 steel in the quenched and tempered condition. It has the highest ductility compared to the other variants of EN 1.5410 steel. The graph bars on the material properties cards below compare EN 1.5410 +QT3 steel to: cast 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

25 %

Fatigue Strength

330 MPa 48 x 103 psi

Impact Strength: V-Notched Charpy

67 J 50 ft-lb

Poisson's Ratio

0.29

Shear Modulus

73 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

590 MPa 85 x 103 psi

Tensile Strength: Yield (Proof)

450 MPa 66 x 103 psi

Thermal Properties

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

400 °C 760 °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

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

7.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.3 % IACS

Otherwise Unclassified Properties

Base Metal Price

2.3 % relative

Density

7.8 g/cm3 490 lb/ft3

Embodied Carbon

1.7 kg CO2/kg material

Embodied Energy

22 MJ/kg 9.6 x 103 BTU/lb

Embodied Water

49 L/kg 5.8 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

130 MJ/m3

Resilience: Unit (Modulus of Resilience)

540 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

21 points

Strength to Weight: Bending

20 points

Thermal Diffusivity

14 mm2/s

Thermal Shock Resistance

17 points

Alloy Composition

Iron (Fe)Fe 96.9 to 98.6
Manganese (Mn)Mn 1.2 to 1.8
Molybdenum (Mo)Mo 0.2 to 0.4
Silicon (Si)Si 0 to 0.6
Vanadium (V)V 0.050 to 0.1
Carbon (C)C 0 to 0.12
Phosphorus (P)P 0 to 0.025
Sulfur (S)S 0 to 0.020

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

Followup Questions

Further Reading

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

Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993

Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005

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

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