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Grade N7M Nickel vs. SAE-AISI T2 Steel

Grade N7M nickel belongs to the nickel alloys classification, while SAE-AISI T2 steel belongs to the iron alloys. There are 19 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 grade N7M nickel and the bottom bar is SAE-AISI T2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
79
Tensile Strength: Ultimate (UTS), MPa 590
780 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1650
1820
Melting Onset (Solidus), °C 1590
1760
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
46
Density, g/cm3 9.3
9.3
Embodied Carbon, kg CO2/kg material 16
11
Embodied Energy, MJ/kg 200
170
Embodied Water, L/kg 270
98

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 18
23 to 64
Strength to Weight: Bending, points 17
20 to 40
Thermal Shock Resistance, points 19
23 to 65

Alloy Composition

Carbon (C), % 0 to 0.070
0.8 to 0.9
Chromium (Cr), % 0 to 1.0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
70.8 to 75.8
Manganese (Mn), % 0 to 1.0
0.2 to 0.4
Molybdenum (Mo), % 30 to 33
0 to 1.0
Nickel (Ni), % 60.9 to 70
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4