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SAE-AISI M7 Steel vs. N06007 Nickel

SAE-AISI M7 steel belongs to the iron alloys classification, while N06007 nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M7 steel and the bottom bar is N06007 nickel.

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
79
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
690

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1560
1340
Melting Onset (Solidus), °C 1510
1260
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 28
10
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 18
60
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 8.9
10
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 100
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26 to 76
23
Strength to Weight: Bending, points 23 to 47
21
Thermal Diffusivity, mm2/s 7.8
2.7
Thermal Shock Resistance, points 24 to 69
18

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.050
Chromium (Cr), % 3.5 to 4.0
21 to 23.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.25
1.5 to 2.5
Iron (Fe), % 79.8 to 83.8
18 to 21
Manganese (Mn), % 0.15 to 0.4
1.0 to 2.0
Molybdenum (Mo), % 8.2 to 9.2
5.5 to 7.5
Nickel (Ni), % 0 to 0.3
36.1 to 51.1
Niobium (Nb), % 0
1.8 to 2.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0 to 1.0
Vanadium (V), % 1.8 to 2.3
0