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C64200 Bronze vs. C70620 Copper-nickel

Both C64200 bronze and C70620 copper-nickel are copper alloys. They have 89% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C64200 bronze and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 540 to 640
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 210
220
Melting Completion (Liquidus), °C 1000
1120
Melting Onset (Solidus), °C 980
1060
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 45
49
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
33
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 50
51
Embodied Water, L/kg 370
300

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18 to 21
9.3 to 18
Strength to Weight: Bending, points 18 to 20
11 to 17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 23
10 to 20

Alloy Composition

Aluminum (Al), % 6.3 to 7.6
0
Arsenic (As), % 0 to 0.15
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 88.2 to 92.2
86.5 to 90
Iron (Fe), % 0 to 0.3
1.0 to 1.8
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0 to 0.25
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 1.5 to 2.2
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0 to 0.5
Residuals, % 0
0 to 0.5

Comparable Variants