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SAE-AISI M10 (T11310) Molybdenum High-Speed Steel

SAE-AISI M10 steel is a tool steel. M10 is the designation in both the SAE and AISI systems for this material. T11310 is the UNS number.

The properties of SAE-AISI M10 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 M10 steel 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

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Poisson's Ratio

0.29

Shear Modulus

76 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

740 to 2170 MPa 110 to 320 x 103 psi

Thermal Properties

Latent Heat of Fusion

270 J/g

Melting Completion (Liquidus)

1520 °C 2770 °F

Melting Onset (Solidus)

1470 °C 2690 °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

12 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

14 % relative

Density

7.9 g/cm3 490 lb/ft3

Embodied Carbon

8.3 kg CO2/kg material

Embodied Energy

120 MJ/kg 52 x 103 BTU/lb

Embodied Water

100 L/kg 12 gal/lb

Common Calculations

PREN (Pitting Resistance)

31

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

26 to 76 points

Strength to Weight: Bending

23 to 47 points

Thermal Diffusivity

8.5 mm2/s

Thermal Shock Resistance

23 to 68 points

Alloy Composition

Iron (Fe) 82.3 to 85.6
Molybdenum (Mo) 7.8 to 8.5
Chromium (Cr) 3.8 to 4.5
Vanadium (V) 1.8 to 2.2
Carbon (C) 0.84 to 1.1
Silicon (Si) 0.2 to 0.45
Manganese (Mn) 0.1 to 0.4
Nickel (Ni) 0 to 0.3
Copper (Cu) 0 to 0.25
Phosphorus (P) 0 to 0.030
Sulfur (S) 0 to 0.030

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

Followup Questions

Similar Alloys

Further Reading

ASTM A600: Standard Specification for Tool Steel High Speed

Tool Steels, 5th ed., George Roberts et al., 1998

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

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