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SAE-AISI M2 Steel vs. SAE-AISI M10 Steel

Both SAE-AISI M2 steel and SAE-AISI M10 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1610
1520
Melting Onset (Solidus), °C 1570
1470
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 22
31
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
8.3
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 98
100

Common Calculations

PREN (Pitting Resistance) 31
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25 to 71
26 to 76
Strength to Weight: Bending, points 22 to 44
23 to 47
Thermal Diffusivity, mm2/s 5.9
8.5
Thermal Shock Resistance, points 27 to 76
23 to 68

Alloy Composition

Carbon (C), % 0.78 to 1.1
0.84 to 1.1
Chromium (Cr), % 3.8 to 4.5
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 78.5 to 83.4
82.3 to 85.6
Manganese (Mn), % 0.15 to 0.4
0.1 to 0.4
Molybdenum (Mo), % 4.5 to 5.5
7.8 to 8.5
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
1.8 to 2.2

Comparable Variants