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C67600 Bronze vs. C64700 Bronze

Both C67600 bronze and C64700 bronze are copper alloys. They have 59% of their average alloy composition in common.

For each property being compared, the top bar is C67600 bronze and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 13 to 33
9.0
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Shear Strength, MPa 270 to 350
390
Tensile Strength: Ultimate (UTS), MPa 430 to 570
660
Tensile Strength: Yield (Proof), MPa 170 to 380
560

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 890
1090
Melting Onset (Solidus), °C 870
1030
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
210
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
38
Electrical Conductivity: Equal Weight (Specific), % IACS 27
38

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 130
57
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
1370
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
21
Strength to Weight: Bending, points 16 to 19
19
Thermal Diffusivity, mm2/s 35
59
Thermal Shock Resistance, points 14 to 19
24

Alloy Composition

Copper (Cu), % 57 to 60
95.8 to 98
Iron (Fe), % 0.4 to 1.3
0 to 0.1
Lead (Pb), % 0.5 to 1.0
0 to 0.1
Manganese (Mn), % 0.050 to 0.5
0
Nickel (Ni), % 0
1.6 to 2.2
Silicon (Si), % 0
0.4 to 0.8
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 35.2 to 41.6
0 to 0.5
Residuals, % 0
0 to 0.5