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SAE-AISI 1010 (S10C, C10E, 1.1121, G10100) Carbon Steel

SAE-AISI 1010 steel is a plain carbon steel formulated for primary forming into wrought products. 1010 is the designation in both the SAE and AISI systems for this material. 1.1121 is the EN numeric designation. And G10100 is the UNS number.

It can have a moderately low tensile strength and a moderately high ductility relative to other wrought plain carbon steels.

The properties of SAE-AISI 1010 steel include two common variations. The property values on this page show 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 SAE-AISI 1010 steel to: wrought plain carbon steels (top), all iron alloys (middle), and the entire database (bottom). The length of each bar shows the given value as a % of the largest value in the relevant set.

Mechanical Properties

Brinell Hardness

100 to 110

Elastic (Young's, Tensile) Modulus

190 GPa 27 x 106 psi

Elongation at Break

22 to 31 %

Fatigue Strength

150 to 230 MPa 22 to 34 x 103 psi

Poisson's Ratio

0.29

Reduction in Area

46 to 56 %

Shear Modulus

73 GPa 11 x 106 psi

Shear Strength

230 to 250 MPa 34 to 36 x 103 psi

Tensile Strength: Ultimate (UTS)

350 to 400 MPa 51 to 58 x 103 psi

Tensile Strength: Yield (Proof)

190 to 330 MPa 28 to 48 x 103 psi

Thermal Properties

Melting Completion (Liquidus)

1470 °C 2670 °F

Melting Onset (Solidus)

1430 °C 2600 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

9.3 W/m-K 5.4 BTU/h-ft-°F

Thermal Expansion

12 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

12 % IACS

Electrical Conductivity: Equal Weight (Specific)

14 % 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

45 L/kg 5.4 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

82 to 93 MJ/m3

Resilience: Unit (Modulus of Resilience)

100 to 290 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

12 to 14 points

Strength to Weight: Bending

14 to 15 points

Thermal Diffusivity

2.5 m2/s

Thermal Shock Resistance

11 to 13 points

Alloy Composition

Iron (Fe) 99.18 to 99.62
Manganese (Mn) 0.3 to 0.6
Carbon (C) 0.080 to 0.13
Sulfur (S) 0 to 0.050
Phosphorus (P) 0 to 0.040

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

Followup Questions

Similar Alloys

Further Reading

ASTM A29: Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

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

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

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