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SAE-AISI M7 Steel vs. N12160 Nickel

SAE-AISI M7 steel belongs to the iron alloys classification, while N12160 nickel belongs to the nickel alloys. 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 N12160 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
710

Thermal Properties

Latent Heat of Fusion, J/g 270
360
Melting Completion (Liquidus), °C 1560
1330
Melting Onset (Solidus), °C 1510
1280
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
11
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
90
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 8.9
8.5
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 100
400

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 76
24
Strength to Weight: Bending, points 23 to 47
22
Thermal Diffusivity, mm2/s 7.8
2.8
Thermal Shock Resistance, points 24 to 69
19

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.15
Chromium (Cr), % 3.5 to 4.0
26 to 30
Cobalt (Co), % 0
27 to 33
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.8 to 83.8
0 to 3.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 8.2 to 9.2
0 to 1.0
Nickel (Ni), % 0 to 0.3
25 to 44.4
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.55
2.4 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 1.4 to 2.1
0 to 1.0
Vanadium (V), % 1.8 to 2.3
0