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EN 1.0234 (C15C) Non-Alloy Steel

EN 1.0234 steel is a carbon (non-alloy) steel formulated for primary forming into wrought products. 1.0234 is the EN numeric designation for this material. C15C is the EN chemical designation. It has a fairly high thermal conductivity among the wrought carbon or non-alloy steels in the database.

The properties of EN 1.0234 steel include four common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare EN 1.0234 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

100 to 140

Elastic (Young's, Tensile) Modulus

190 GPa 27 x 106 psi

Elongation at Break

12 to 29 %

Fatigue Strength

170 to 270 MPa 25 to 40 x 103 psi

Poisson's Ratio

0.29

Reduction in Area

64 to 78 %

Shear Modulus

73 GPa 11 x 106 psi

Shear Strength

260 to 300 MPa 37 to 43 x 103 psi

Tensile Strength: Ultimate (UTS)

350 to 480 MPa 51 to 70 x 103 psi

Tensile Strength: Yield (Proof)

220 to 410 MPa 32 to 59 x 103 psi

Thermal Properties

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

400 °C 750 °F

Melting Completion (Liquidus)

1460 °C 2670 °F

Melting Onset (Solidus)

1420 °C 2590 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

53 W/m-K 31 BTU/h-ft-°F

Thermal Expansion

12 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

7.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.0 % IACS

Otherwise Unclassified Properties

Base Metal Price

1.8 % relative

Density

7.9 g/cm3 490 lb/ft3

Embodied Carbon

1.4 kg CO2/kg material

Embodied Energy

18 MJ/kg 7.9 x 103 BTU/lb

Embodied Water

46 L/kg 5.5 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

36 to 130 MJ/m3

Resilience: Unit (Modulus of Resilience)

130 to 440 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

12 to 17 points

Strength to Weight: Bending

14 to 17 points

Thermal Diffusivity

14 mm2/s

Thermal Shock Resistance

11 to 15 points

Alloy Composition

Iron (Fe) 99.02 to 99.5
Manganese (Mn) 0.35 to 0.6
Carbon (C) 0.13 to 0.17
Silicon (Si) 0 to 0.1
Aluminum (Al) 0.020 to 0.060
Phosphorus (P) 0 to 0.025
Sulfur (S) 0 to 0.025

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

Followup Questions

Similar Alloys

Further Reading

EN 10263-2: Steel rod, bars and wire for cold heading and cold extrusion - Part 2: Technical delivery conditions for steels not intended for heat treatment after cold working

Carbon Steel Handbook, D. Gandy, 2007

ASM Specialty Handbook: Carbon and Alloy Steels, J. R. Davis (editor), 1996

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

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015

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