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SAE-AISI D7 Steel vs. N07752 Nickel

SAE-AISI D7 steel belongs to the iron alloys classification, while N07752 nickel belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is N07752 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
1120

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 27
13
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 11
10
Embodied Energy, MJ/kg 180
150
Embodied Water, L/kg 130
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 78
37
Strength to Weight: Bending, points 25 to 48
29
Thermal Diffusivity, mm2/s 7.4
3.2
Thermal Shock Resistance, points 27 to 72
34

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Boron (B), % 0
0 to 0.0070
Carbon (C), % 2.2 to 2.5
0.020 to 0.060
Chromium (Cr), % 11.5 to 13.5
14.5 to 17
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 76.6 to 81.9
5.0 to 9.0
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
70 to 77.1
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.0080
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0030
Titanium (Ti), % 0
2.3 to 2.8
Vanadium (V), % 3.8 to 4.4
0 to 0.1
Zinc (Zn), % 0
0 to 0.050