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Nickel 30 vs. SAE-AISI S7 Steel

Nickel 30 belongs to the nickel alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 30 and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
74
Tensile Strength: Ultimate (UTS), MPa 660
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 60
5.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.4
2.3
Embodied Energy, MJ/kg 130
31
Embodied Water, L/kg 290
65

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
24 to 72
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 2.7
11
Thermal Shock Resistance, points 18
22 to 66

Alloy Composition

Carbon (C), % 0 to 0.030
0.45 to 0.55
Chromium (Cr), % 28 to 31.5
3.0 to 3.5
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0 to 0.25
Iron (Fe), % 13 to 17
91.6 to 94.9
Manganese (Mn), % 0 to 0.030
0.2 to 0.9
Molybdenum (Mo), % 4.0 to 6.0
1.3 to 1.8
Nickel (Ni), % 30.2 to 52.2
0
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.8
0.2 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 4.0
0
Vanadium (V), % 0
0 to 0.3