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SAE-AISI H12 Steel vs. SAE-AISI M62 Steel

Both SAE-AISI H12 steel and SAE-AISI M62 steel are iron alloys. They have 84% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (4, 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 M62 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
79
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
830 to 2440

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1480
1650
Melting Onset (Solidus), °C 1440
1600
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.9
10
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 76
110

Common Calculations

PREN (Pitting Resistance) 12
49
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24 to 65
27 to 80
Strength to Weight: Bending, points 22 to 42
23 to 47
Thermal Shock Resistance, points 22 to 60
24 to 71

Alloy Composition

Carbon (C), % 0.3 to 0.4
1.3 to 1.4
Chromium (Cr), % 4.8 to 5.5
3.5 to 4.0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 87.8 to 91.7
73.6 to 77.4
Manganese (Mn), % 0.2 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 1.3 to 1.8
10 to 11
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
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.7
5.8 to 6.5
Vanadium (V), % 0 to 0.5
1.8 to 2.1

Comparable Variants