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SAE-AISI M62 Steel vs. Grade N7M Nickel

SAE-AISI M62 steel belongs to the iron alloys classification, while grade N7M nickel belongs to the nickel alloys. There are 19 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 M62 steel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
590

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1650
1650
Melting Onset (Solidus), °C 1600
1590
Specific Heat Capacity, J/kg-K 430
390
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
75
Density, g/cm3 8.5
9.3
Embodied Carbon, kg CO2/kg material 10
16
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 110
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 27 to 80
18
Strength to Weight: Bending, points 23 to 47
17
Thermal Shock Resistance, points 24 to 71
19

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.070
Chromium (Cr), % 3.5 to 4.0
0 to 1.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
0 to 3.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 10 to 11
30 to 33
Nickel (Ni), % 0 to 0.3
60.9 to 70
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0