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SAE-AISI M2 Steel vs. Grade M30H Nickel

SAE-AISI M2 steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
770

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1610
1250
Melting Onset (Solidus), °C 1570
1200
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 22
22
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
50
Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 8.8
7.7
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 98
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 25 to 71
25
Strength to Weight: Bending, points 22 to 44
22
Thermal Diffusivity, mm2/s 5.9
5.7
Thermal Shock Resistance, points 27 to 76
27

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.3
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
27 to 33
Iron (Fe), % 78.5 to 83.4
0 to 3.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
57.9 to 70.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
2.7 to 3.7
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
0