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C32000 Brass vs. C86700 Bronze

Both C32000 brass and C86700 bronze are copper alloys. They have 72% 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 C32000 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, % 6.8 to 29
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 270 to 470
630
Tensile Strength: Yield (Proof), MPa 78 to 390
250

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1020
880
Melting Onset (Solidus), °C 990
860
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 160
89
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
17
Electrical Conductivity: Equal Weight (Specific), % IACS 37
19

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 42
49
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
86
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
290
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.8 to 15
22
Strength to Weight: Bending, points 11 to 16
21
Thermal Diffusivity, mm2/s 47
28
Thermal Shock Resistance, points 9.5 to 16
21

Alloy Composition


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Aluminum (Al), % 0
1.0 to 3.0
Copper (Cu), % 83.5 to 86.5
55 to 60
Iron (Fe), % 0 to 0.1
1.0 to 3.0
Lead (Pb), % 1.5 to 2.2
0.5 to 1.5
Manganese (Mn), % 0
1.0 to 3.5
Nickel (Ni), % 0 to 0.25
0 to 1.0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 10.6 to 15
30 to 38
Residuals, % 0 to 0.4
0 to 1.0