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Grade N7M Nickel vs. SAE-AISI L3 Steel

Grade N7M nickel belongs to the nickel alloys classification, while SAE-AISI L3 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, 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 L3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
72
Tensile Strength: Ultimate (UTS), MPa 590
600 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1650
1450
Melting Onset (Solidus), °C 1590
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.5
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 16
1.9
Embodied Energy, MJ/kg 200
27
Embodied Water, L/kg 270
53

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
21 to 80
Strength to Weight: Bending, points 17
20 to 49
Thermal Shock Resistance, points 19
18 to 67

Alloy Composition

Carbon (C), % 0 to 0.070
1.0 to 1.1
Chromium (Cr), % 0 to 1.0
1.3 to 1.7
Iron (Fe), % 0 to 3.0
95.5 to 97.3
Manganese (Mn), % 0 to 1.0
0.25 to 0.8
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3