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EN 1.1122 (C10E2C) Non-Alloy Steel

EN 1.1122 steel is a carbon (non-alloy) steel formulated for primary forming into wrought products. 1.1122 is the EN numeric designation for this material. C10E2C is the EN chemical designation.

It can have a moderately low tensile strength among the wrought carbon or non-alloy steels in the database.

The properties of EN 1.1122 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 1.1122 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 130

Elastic (Young's, Tensile) Modulus

190 GPa 27 x 106 psi

Elongation at Break

12 to 21 %

Fatigue Strength

170 to 260 MPa 24 to 37 x 103 psi

Poisson's Ratio

0.29

Reduction in Area

63 to 73 %

Shear Modulus

73 GPa 11 x 106 psi

Shear Strength

240 to 290 MPa 35 to 42 x 103 psi

Tensile Strength: Ultimate (UTS)

340 to 460 MPa 50 to 67 x 103 psi

Tensile Strength: Yield (Proof)

240 to 370 MPa 35 to 54 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

51 W/m-K 29 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 7.8 x 103 BTU/lb

Embodied Water

46 L/kg 5.5 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

36 to 89 MJ/m3

Resilience: Unit (Modulus of Resilience)

160 to 360 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

12 to 16 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) 98.7 to 99.62
Manganese (Mn) 0.3 to 0.6
Silicon (Si) 0 to 0.3
Copper (Cu) 0 to 0.25
Carbon (C) 0.080 to 0.12
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 10263-3: Steel rod, bars and wire for cold heading and cold extrusion - Part 3: Technical delivery conditions for case hardening steels

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