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

SAE-AISI 1010 is a carbon steel. 1010 is the SAE-AISI designation for this material. 1.1121 is the EN numeric designation. And G10100 is the UNS number. It has two common variants, each represented as a separate material. The material properties section shows ranges encompassing all variants. To see the details of each variant on a separate page, follow the links in the Variant Materials section further below.

Mechanical Properties

Graph bars compare SAE-AISI 1010 to other materials. From top to bottom: carbon steel, iron alloys, and the entire database.

Brinell Hardness

100 to 110

Elastic (Young's, Tensile) Modulus

210 GPa 31 x 106 psi

Elongation at Break

21 to 30 %

Modulus of Resilience (Unit Resilience)

88 to 260 kJ/m3

Poisson's Ratio


Strength to Weight Ratio

44 to 50 kN-m/kg

Tensile Strength: Ultimate (UTS)

350 to 390 MPa 50 to 57 x 103 psi

Tensile Strength: Yield (Proof)

190 to 330 MPa 28 to 48 x 103 psi

Unit Rupture Work (Ultimate Resilience)

80 to 90 MJ/m3

Other Material Properties

Base Metal Price

2.9 % relative


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

Specific Heat Capacity

450 J/kg-K 0.11 BTU/lb-°F

Thermal Expansion

12 µm/m-K

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

Variant Materials

Similar Alloys

Further Reading

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

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