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ACI-ASTM CB7Cu-1 Steel vs. Nickel 80A

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. They have a modest 23% 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-1 steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
22
Fatigue Strength, MPa 420 to 590
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
1040
Tensile Strength: Yield (Proof), MPa 760 to 1180
710

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1500
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
55
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
9.8
Embodied Energy, MJ/kg 38
140
Embodied Water, L/kg 130
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
1300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
35
Strength to Weight: Bending, points 28 to 35
27
Thermal Diffusivity, mm2/s 4.6
2.9
Thermal Shock Resistance, points 32 to 45
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 15.5 to 17.7
18 to 21
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 72.3 to 78.4
0 to 3.0
Manganese (Mn), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 3.6 to 4.6
69.4 to 79.7
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7