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CC381H Copper-nickel vs. C95820 Bronze

Both CC381H copper-nickel and C95820 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Elongation at Break, % 20
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 380
730
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 260
230
Melting Completion (Liquidus), °C 1180
1080
Melting Onset (Solidus), °C 1120
1020
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 30
38
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 40
29
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.0
3.5
Embodied Energy, MJ/kg 73
56
Embodied Water, L/kg 280
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
86
Resilience: Unit (Modulus of Resilience), kJ/m3 68
400
Stiffness to Weight: Axial, points 8.6
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 13
22
Thermal Diffusivity, mm2/s 8.4
11
Thermal Shock Resistance, points 13
25

Alloy Composition

Aluminum (Al), % 0 to 0.010
9.0 to 10
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
77.5 to 82.5
Iron (Fe), % 0.5 to 1.5
4.0 to 5.0
Lead (Pb), % 0 to 0.030
0 to 0.020
Manganese (Mn), % 0.6 to 1.2
0 to 1.5
Nickel (Ni), % 29 to 31
4.5 to 5.8
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.5
0 to 0.2
Residuals, % 0
0 to 0.8