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ACI-ASTM CB7Cu-2 Steel vs. N07716 Nickel

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while N07716 nickel belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 CB7Cu-2 steel and the bottom bar is N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
34
Fatigue Strength, MPa 420 to 590
690
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
860
Tensile Strength: Yield (Proof), MPa 760 to 1180
350

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.6
13
Embodied Energy, MJ/kg 38
190
Embodied Water, L/kg 130
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
28
Strength to Weight: Bending, points 28 to 35
24
Thermal Diffusivity, mm2/s 4.6
2.8
Thermal Shock Resistance, points 32 to 45
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
19 to 22
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
0 to 11.3
Manganese (Mn), % 0 to 0.7
0 to 0.2
Molybdenum (Mo), % 0
7.0 to 9.5
Nickel (Ni), % 4.5 to 5.5
59 to 63
Niobium (Nb), % 0 to 0.35
2.8 to 4.0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6