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CC381H Copper-nickel vs. C95200 Bronze

Both CC381H copper-nickel and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
120
Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 20
29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
42
Tensile Strength: Ultimate (UTS), MPa 380
520
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 260
220
Melting Completion (Liquidus), °C 1180
1050
Melting Onset (Solidus), °C 1120
1040
Specific Heat Capacity, J/kg-K 410
430
Thermal Conductivity, W/m-K 30
50
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 40
28
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.0
3.0
Embodied Energy, MJ/kg 73
50
Embodied Water, L/kg 280
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
120
Resilience: Unit (Modulus of Resilience), kJ/m3 68
170
Stiffness to Weight: Axial, points 8.6
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 8.4
14
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0 to 0.010
8.5 to 9.5
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
86 to 89
Iron (Fe), % 0.5 to 1.5
2.5 to 4.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 1.0