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SAE-AISI H12 Steel vs. SAE-AISI M10 Steel

Both SAE-AISI H12 steel and SAE-AISI M10 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1520
Melting Onset (Solidus), °C 1440
1470
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 36
31
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
14
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
8.3
Embodied Energy, MJ/kg 41
120
Embodied Water, L/kg 76
100

Common Calculations

PREN (Pitting Resistance) 12
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 65
26 to 76
Strength to Weight: Bending, points 22 to 42
23 to 47
Thermal Diffusivity, mm2/s 9.8
8.5
Thermal Shock Resistance, points 22 to 60
23 to 68

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.84 to 1.1
Chromium (Cr), % 4.8 to 5.5
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 87.8 to 91.7
82.3 to 85.6
Manganese (Mn), % 0.2 to 0.5
0.1 to 0.4
Molybdenum (Mo), % 1.3 to 1.8
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), % 0.8 to 1.2
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
1.8 to 2.2

Comparable Variants