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Grade N7M Nickel vs. SAE-AISI D3 Steel

Grade N7M nickel belongs to the nickel alloys classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 23 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 grade N7M nickel and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 22
9.8 to 15
Fatigue Strength, MPa 190
310 to 940
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 85
74
Tensile Strength: Ultimate (UTS), MPa 590
770 to 2050
Tensile Strength: Yield (Proof), MPa 310
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1650
1430
Melting Onset (Solidus), °C 1590
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
8.0
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 16
3.2
Embodied Energy, MJ/kg 200
48
Embodied Water, L/kg 270
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
97 to 180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
28 to 74
Strength to Weight: Bending, points 17
24 to 47
Thermal Shock Resistance, points 19
23 to 63

Alloy Composition

Carbon (C), % 0 to 0.070
2.0 to 2.4
Chromium (Cr), % 0 to 1.0
11 to 13.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
80.3 to 87
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 30 to 33
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 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0