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C95820 Bronze vs. CC381H Copper-nickel

Both C95820 bronze and CC381H copper-nickel 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 C95820 bronze and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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