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C64210 Bronze vs. C70400 Copper-nickel

Both C64210 bronze and C70400 copper-nickel are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C64210 bronze and the bottom bar is C70400 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
45
Tensile Strength: Ultimate (UTS), MPa 570
300 to 310
Tensile Strength: Yield (Proof), MPa 290
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 1040
1120
Melting Onset (Solidus), °C 990
1060
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 48
64
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
14
Electrical Conductivity: Equal Weight (Specific), % IACS 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 360
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 360
38 to 220
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
9.3 to 9.8
Strength to Weight: Bending, points 18
11 to 12
Thermal Diffusivity, mm2/s 13
18
Thermal Shock Resistance, points 21
10 to 11

Alloy Composition

Aluminum (Al), % 6.3 to 7.0
0
Arsenic (As), % 0 to 0.15
0
Copper (Cu), % 89 to 92.2
89.8 to 93.6
Iron (Fe), % 0 to 0.3
1.3 to 1.7
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 0 to 0.25
4.8 to 6.2
Silicon (Si), % 1.5 to 2.0
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0 to 1.0
Residuals, % 0
0 to 0.5