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C86700 Bronze vs. C67400 Bronze

Both C86700 bronze and C67400 bronze are copper alloys. They have a very high 96% of their average alloy composition in common. There are 28 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 C86700 bronze and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
22 to 28
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 630
480 to 610
Tensile Strength: Yield (Proof), MPa 250
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 880
890
Melting Onset (Solidus), °C 860
870
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 89
100
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
23
Electrical Conductivity: Equal Weight (Specific), % IACS 19
26

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
48
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
300 to 660
Stiffness to Weight: Axial, points 7.5
7.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 22
17 to 22
Strength to Weight: Bending, points 21
17 to 20
Thermal Diffusivity, mm2/s 28
32
Thermal Shock Resistance, points 21
16 to 20

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0.5 to 2.0
Copper (Cu), % 55 to 60
57 to 60
Iron (Fe), % 1.0 to 3.0
0 to 0.35
Lead (Pb), % 0.5 to 1.5
0 to 0.5
Manganese (Mn), % 1.0 to 3.5
2.0 to 3.5
Nickel (Ni), % 0 to 1.0
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Tin (Sn), % 0 to 1.5
0 to 0.3
Zinc (Zn), % 30 to 38
31.1 to 40
Residuals, % 0
0 to 0.5