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Annealed M52 Tool Steel

Annealed SAE-AISI M52 is SAE-AISI M52 steel in the annealed condition. The graph bars on the material properties cards below compare annealed SAE-AISI M52 to: tool 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

210

Elastic (Young's, Tensile) Modulus

190 GPa 28 x 106 psi

Poisson's Ratio

0.29

Shear Modulus

75 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

710 MPa 100 x 103 psi

Thermal Properties

Latent Heat of Fusion

260 J/g

Melting Completion (Liquidus)

1510 °C 2750 °F

Melting Onset (Solidus)

1470 °C 2670 °F

Specific Heat Capacity

460 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

31 W/m-K 18 BTU/h-ft-°F

Thermal Expansion

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

8.9 % IACS

Electrical Conductivity: Equal Weight (Specific)

10 % IACS

Otherwise Unclassified Properties

Base Metal Price

12 % relative

Density

7.9 g/cm3 500 lb/ft3

Embodied Carbon

7.5 kg CO2/kg material

Embodied Energy

110 MJ/kg 49 x 103 BTU/lb

Embodied Water

89 L/kg 11 gal/lb

Common Calculations

PREN (Pitting Resistance)

20

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

25 points

Strength to Weight: Bending

22 points

Thermal Diffusivity

8.4 mm2/s

Thermal Shock Resistance

21 points

Alloy Composition

Iron (Fe)Fe 84.4 to 88.9
Molybdenum (Mo)Mo 4.0 to 4.9
Chromium (Cr)Cr 3.5 to 4.3
Vanadium (V)V 1.7 to 2.3
Tungsten (W)W 0.75 to 1.5
Carbon (C)C 0.85 to 1.0
Silicon (Si)Si 0.2 to 0.6
Manganese (Mn)Mn 0.15 to 0.45
Nickel (Ni)Ni 0 to 0.3
Copper (Cu)Cu 0 to 0.25
Phosphorus (P)P 0 to 0.030
Sulfur (S)S 0 to 0.030

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

Followup Questions

Further Reading

ASTM A600: Standard Specification for Tool Steel High Speed

Tool Steels: Properties and Performance, Rafael A. Mesquita (editor), 2016

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