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C91600 Bronze vs. CC381H Copper-nickel

Both C91600 bronze and CC381H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.

For each property being compared, the top bar is C91600 bronze and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84
91
Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 11
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
52
Tensile Strength: Ultimate (UTS), MPa 310
380
Tensile Strength: Yield (Proof), MPa 160
140

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 1030
1180
Melting Onset (Solidus), °C 860
1120
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 71
30
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
40
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
5.0
Embodied Energy, MJ/kg 61
73
Embodied Water, L/kg 390
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
60
Resilience: Unit (Modulus of Resilience), kJ/m3 120
68
Stiffness to Weight: Axial, points 7.0
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.9
12
Strength to Weight: Bending, points 12
13
Thermal Diffusivity, mm2/s 22
8.4
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 85.9 to 89.1
64.5 to 69.9
Iron (Fe), % 0 to 0.2
0.5 to 1.5
Lead (Pb), % 0 to 0.25
0 to 0.030
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 1.2 to 2.0
29 to 31
Phosphorus (P), % 0 to 0.3
0 to 0.010
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.010
Tin (Sn), % 9.7 to 10.8
0
Zinc (Zn), % 0 to 0.25
0 to 0.5