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SAE-AISI 1552 (formerly 1052, G15520) Carbon Steel

SAE-AISI 1552 steel is a resulfurized carbon steel formulated for primary forming into wrought products. 1552 is the designation in both the SAE and AISI systems for this material. G15520 is the UNS number. Older literature may refer to this material as AISI 1052, but this is now discouraged.

It has the highest electrical conductivity among the wrought resulfurized carbon steels in the database.

The properties of SAE-AISI 1552 steel include two common variations. This page shows summary ranges across both of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare SAE-AISI 1552 steel to: wrought resulfurized carbon 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

220 to 250

Elastic (Young's, Tensile) Modulus

190 GPa 27 x 106 psi

Elongation at Break

11 to 14 %

Fatigue Strength

290 to 400 MPa 43 to 58 x 103 psi

Poisson's Ratio

0.29

Reduction in Area

34 to 46 %

Shear Modulus

72 GPa 11 x 106 psi

Shear Strength

460 to 510 MPa 66 to 74 x 103 psi

Tensile Strength: Ultimate (UTS)

760 to 840 MPa 110 to 120 x 103 psi

Tensile Strength: Yield (Proof)

460 to 650 MPa 67 to 94 x 103 psi

Thermal Properties

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

400 °C 750 °F

Melting Completion (Liquidus)

1460 °C 2660 °F

Melting Onset (Solidus)

1420 °C 2580 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

51 W/m-K 30 BTU/h-ft-°F

Thermal Expansion

11 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

11 % IACS

Electrical Conductivity: Equal Weight (Specific)

12 % IACS

Otherwise Unclassified Properties

Base Metal Price

1.8 % relative

Density

7.8 g/cm3 490 lb/ft3

Embodied Carbon

1.4 kg CO2/kg material

Embodied Energy

19 MJ/kg 8.0 x 103 BTU/lb

Embodied Water

47 L/kg 5.6 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

81 to 98 MJ/m3

Resilience: Unit (Modulus of Resilience)

560 to 1130 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

27 to 30 points

Strength to Weight: Bending

24 to 25 points

Thermal Diffusivity

14 mm2/s

Thermal Shock Resistance

26 to 29 points

Alloy Composition

Iron (Fe)Fe 97.9 to 98.3
Manganese (Mn)Mn 1.2 to 1.5
Carbon (C)C 0.47 to 0.55
Sulfur (S)S 0 to 0.050
Phosphorus (P)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

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