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ACI-ASTM CA15M Steel vs. N06985 Nickel

ACI-ASTM CA15M steel belongs to the iron alloys classification, while N06985 nickel belongs to the nickel alloys. They have a modest 34% 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 (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is N06985 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 20
45
Fatigue Strength, MPa 330
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 690
690
Tensile Strength: Yield (Proof), MPa 510
260

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 760
990
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1410
1260
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 27
10
Thermal Expansion, µm/m-K 10
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
55
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.1
8.8
Embodied Energy, MJ/kg 29
120
Embodied Water, L/kg 100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
250
Resilience: Unit (Modulus of Resilience), kJ/m3 670
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 7.2
2.6
Thermal Shock Resistance, points 25
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.015
Chromium (Cr), % 11.5 to 14
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 82.1 to 88.4
18 to 21
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 1.0
6.0 to 8.0
Nickel (Ni), % 0 to 1.0
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
0 to 1.5