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C43500 Brass vs. C86700 Bronze

Both C43500 brass and C86700 bronze are copper alloys. They have 76% of their average alloy composition in common. There are 28 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 C43500 brass and the bottom bar is C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.5 to 46
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 320 to 530
630
Tensile Strength: Yield (Proof), MPa 120 to 480
250

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 1000
880
Melting Onset (Solidus), °C 970
860
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
89
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
17
Electrical Conductivity: Equal Weight (Specific), % IACS 30
19

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
86
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
290
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 17
22
Strength to Weight: Bending, points 12 to 17
21
Thermal Diffusivity, mm2/s 37
28
Thermal Shock Resistance, points 11 to 18
21

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Copper (Cu), % 79 to 83
55 to 60
Iron (Fe), % 0 to 0.050
1.0 to 3.0
Lead (Pb), % 0 to 0.090
0.5 to 1.5
Manganese (Mn), % 0
1.0 to 3.5
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0.6 to 1.2
0 to 1.5
Zinc (Zn), % 15.4 to 20.4
30 to 38
Residuals, % 0
0 to 1.0