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CC381H Copper-nickel vs. ACI-ASTM CB6 Steel

CC381H copper-nickel belongs to the copper alloys classification, while ACI-ASTM CB6 steel belongs to the iron alloys. 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 CC381H copper-nickel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
18
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
880
Tensile Strength: Yield (Proof), MPa 140
660

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 260
870
Melting Completion (Liquidus), °C 1180
1440
Melting Onset (Solidus), °C 1120
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 40
12
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
2.5
Embodied Energy, MJ/kg 73
36
Embodied Water, L/kg 280
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
150
Resilience: Unit (Modulus of Resilience), kJ/m3 68
1110
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
32
Strength to Weight: Bending, points 13
26
Thermal Diffusivity, mm2/s 8.4
4.6
Thermal Shock Resistance, points 13
31

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
74.4 to 81
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 29 to 31
3.5 to 5.5
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Zinc (Zn), % 0 to 0.5
0