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ACI-ASTM CA40 Steel vs. N06975 Nickel

ACI-ASTM CA40 steel belongs to the iron alloys classification, while N06975 nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 ACI-ASTM CA40 steel and the bottom bar is N06975 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10
45
Fatigue Strength, MPa 460
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910
660
Tensile Strength: Yield (Proof), MPa 860
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 750
1000
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1500
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
8.9
Embodied Energy, MJ/kg 28
120
Embodied Water, L/kg 100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
22
Strength to Weight: Bending, points 27
20
Thermal Shock Resistance, points 33
18

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.030
Chromium (Cr), % 11.5 to 14
23 to 26
Copper (Cu), % 0
0.7 to 1.2
Iron (Fe), % 81.5 to 88.3
10.2 to 23.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
5.0 to 7.0
Nickel (Ni), % 0 to 1.0
47 to 52
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0.7 to 1.5