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Nickel 30 vs. ACI-ASTM CA40 Steel

Nickel 30 belongs to the nickel alloys classification, while ACI-ASTM CA40 steel belongs to the iron alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
10
Fatigue Strength, MPa 200
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
76
Tensile Strength: Ultimate (UTS), MPa 660
910
Tensile Strength: Yield (Proof), MPa 270
860

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1020
750
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 10
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.5
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 9.4
2.0
Embodied Energy, MJ/kg 130
28
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
89
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
33
Strength to Weight: Bending, points 20
27
Thermal Diffusivity, mm2/s 2.7
6.7
Thermal Shock Resistance, points 18
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.4
Chromium (Cr), % 28 to 31.5
11.5 to 14
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
81.5 to 88.3
Manganese (Mn), % 0 to 0.030
0 to 1.0
Molybdenum (Mo), % 4.0 to 6.0
0 to 0.5
Nickel (Ni), % 30.2 to 52.2
0 to 1.0
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 4.0
0