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SAE-AISI D7 Steel vs. Nickel 30

SAE-AISI D7 steel belongs to the iron alloys classification, while nickel 30 belongs to the nickel alloys. They have a modest 29% 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 73
82
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
660

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 27
10
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 7.6
8.5
Embodied Carbon, kg CO2/kg material 11
9.4
Embodied Energy, MJ/kg 180
130
Embodied Water, L/kg 130
290

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 78
22
Strength to Weight: Bending, points 25 to 48
20
Thermal Diffusivity, mm2/s 7.4
2.7
Thermal Shock Resistance, points 27 to 72
18

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
28 to 31.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.25
1.0 to 2.4
Iron (Fe), % 76.6 to 81.9
13 to 17
Manganese (Mn), % 0 to 0.6
0 to 0.030
Molybdenum (Mo), % 0.7 to 1.2
4.0 to 6.0
Nickel (Ni), % 0 to 0.3
30.2 to 52.2
Niobium (Nb), % 0
0.3 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 4.0
Vanadium (V), % 3.8 to 4.4
0