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C72700 Copper-nickel vs. C95200 Bronze

Both C72700 copper-nickel and C95200 bronze are copper alloys. They have 84% of their average alloy composition in common. There are 28 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 C72700 copper-nickel and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 4.0 to 36
29
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
520
Tensile Strength: Yield (Proof), MPa 580 to 1060
190

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1100
1050
Melting Onset (Solidus), °C 930
1040
Specific Heat Capacity, J/kg-K 380
430
Thermal Conductivity, W/m-K 54
50
Thermal Expansion, µm/m-K 17
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 36
28
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 4.0
3.0
Embodied Energy, MJ/kg 62
50
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
170
Stiffness to Weight: Axial, points 7.4
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14 to 34
17
Strength to Weight: Bending, points 15 to 26
17
Thermal Diffusivity, mm2/s 16
14
Thermal Shock Resistance, points 16 to 38
19

Alloy Composition

Aluminum (Al), % 0
8.5 to 9.5
Copper (Cu), % 82.1 to 86
86 to 89
Iron (Fe), % 0 to 0.5
2.5 to 4.0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 8.5 to 9.5
0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 5.5 to 6.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 1.0