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C95820 Bronze vs. C71640 Copper-nickel

Both C95820 bronze and C71640 copper-nickel are copper alloys. They have 73% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
52
Tensile Strength: Ultimate (UTS), MPa 730
490 to 630
Tensile Strength: Yield (Proof), MPa 310
190 to 460

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
29
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.1

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: Unit (Modulus of Resilience), kJ/m3 400
130 to 750
Stiffness to Weight: Axial, points 8.0
8.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
15 to 20
Strength to Weight: Bending, points 22
16 to 18
Thermal Diffusivity, mm2/s 11
8.2
Thermal Shock Resistance, points 25
16 to 21

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
61.7 to 67.8
Iron (Fe), % 4.0 to 5.0
1.7 to 2.3
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0 to 1.5
1.5 to 2.5
Nickel (Ni), % 4.5 to 5.8
29 to 32
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0
0 to 0.5