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SAE-AISI H12 Steel vs. Grade M35-2 Nickel

SAE-AISI H12 steel belongs to the iron alloys classification, while grade M35-2 nickel belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is grade M35-2 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
62
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
500

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1480
1280
Melting Onset (Solidus), °C 1440
1230
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 36
22
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
55
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.9
8.1
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 76
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 24 to 65
16
Strength to Weight: Bending, points 22 to 42
16
Thermal Diffusivity, mm2/s 9.8
5.7
Thermal Shock Resistance, points 22 to 60
17

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.35
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
26 to 33
Iron (Fe), % 87.8 to 91.7
0 to 3.5
Manganese (Mn), % 0.2 to 0.5
0 to 1.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0 to 0.3
59.1 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0