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C95820 Bronze vs. C96400 Copper-nickel

Both C95820 bronze and C96400 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.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C96400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
51
Tensile Strength: Ultimate (UTS), MPa 730
490
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 230
240
Maximum Temperature: Mechanical, °C 230
260
Melting Completion (Liquidus), °C 1080
1240
Melting Onset (Solidus), °C 1020
1170
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 38
28
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 29
45
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.5
5.9
Embodied Energy, MJ/kg 56
87
Embodied Water, L/kg 380
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
100
Resilience: Unit (Modulus of Resilience), kJ/m3 400
250
Stiffness to Weight: Axial, points 8.0
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 11
7.8
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 77.5 to 82.5
62.3 to 71.3
Iron (Fe), % 4.0 to 5.0
0.25 to 1.5
Lead (Pb), % 0 to 0.020
0 to 0.010
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 4.5 to 5.8
28 to 32
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.5