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Nickel 30 vs. SAE-AISI A8 Steel

Nickel 30 belongs to the nickel alloys classification, while SAE-AISI A8 steel belongs to the iron alloys. They have a modest 24% 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 A8 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
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
37
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
8.5
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 9.4
2.3
Embodied Energy, MJ/kg 130
31
Embodied Water, L/kg 290
73

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
25 to 68
Strength to Weight: Bending, points 20
22 to 44
Thermal Diffusivity, mm2/s 2.7
9.9
Thermal Shock Resistance, points 18
22 to 62

Alloy Composition

Carbon (C), % 0 to 0.030
0.5 to 0.6
Chromium (Cr), % 28 to 31.5
4.8 to 5.5
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0 to 0.25
Iron (Fe), % 13 to 17
88.5 to 91.9
Manganese (Mn), % 0 to 0.030
0 to 0.5
Molybdenum (Mo), % 4.0 to 6.0
1.2 to 1.7
Nickel (Ni), % 30.2 to 52.2
0 to 0.3
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.8
0.75 to 1.1
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 4.0
1.0 to 1.5