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SAE-AISI D7 Steel vs. N08026 Nickel

SAE-AISI D7 steel belongs to the iron alloys classification, while N08026 nickel belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 22 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 SAE-AISI D7 steel and the bottom bar is N08026 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
620

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 27
12
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 10
41
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 11
7.2
Embodied Energy, MJ/kg 180
98
Embodied Water, L/kg 130
240

Common Calculations

PREN (Pitting Resistance) 16
45
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
21
Strength to Weight: Bending, points 25 to 48
20
Thermal Diffusivity, mm2/s 7.4
3.2
Thermal Shock Resistance, points 27 to 72
15

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
22 to 26
Copper (Cu), % 0 to 0.25
2.0 to 4.0
Iron (Fe), % 76.6 to 81.9
24.4 to 37.9
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
5.0 to 6.7
Nickel (Ni), % 0 to 0.3
33 to 37.2
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 3.8 to 4.4
0