MakeItFrom.com
Menu (ESC)

C71640 Copper-nickel vs. C95820 Bronze

Both C71640 copper-nickel and C95820 bronze 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 C71640 copper-nickel and the bottom bar is C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 260
230
Melting Completion (Liquidus), °C 1180
1080
Melting Onset (Solidus), °C 1120
1020
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 29
38
Thermal Expansion, µm/m-K 15
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 40
29
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.0
3.5
Embodied Energy, MJ/kg 73
56
Embodied Water, L/kg 280
380

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Copper (Cu), % 61.7 to 67.8
77.5 to 82.5
Iron (Fe), % 1.7 to 2.3
4.0 to 5.0
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 1.5 to 2.5
0 to 1.5
Nickel (Ni), % 29 to 32
4.5 to 5.8
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.020
Zinc (Zn), % 0 to 1.0
0 to 0.2
Residuals, % 0
0 to 0.8