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C67600 Bronze vs. C70700 Copper-nickel

Both C67600 bronze and C70700 copper-nickel are copper alloys. They have 59% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C67600 bronze and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 13 to 33
39
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
46
Shear Strength, MPa 270 to 350
220
Tensile Strength: Ultimate (UTS), MPa 430 to 570
320
Tensile Strength: Yield (Proof), MPa 170 to 380
110

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 890
1120
Melting Onset (Solidus), °C 870
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
59
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
11
Electrical Conductivity: Equal Weight (Specific), % IACS 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
51
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
10
Strength to Weight: Bending, points 16 to 19
12
Thermal Diffusivity, mm2/s 35
17
Thermal Shock Resistance, points 14 to 19
12

Alloy Composition

Copper (Cu), % 57 to 60
88.5 to 90.5
Iron (Fe), % 0.4 to 1.3
0 to 0.050
Lead (Pb), % 0.5 to 1.0
0
Manganese (Mn), % 0.050 to 0.5
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 35.2 to 41.6
0
Residuals, % 0
0 to 0.5