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C32000 Brass vs. C67000 Bronze

Both C32000 brass and C67000 bronze are copper alloys. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is C32000 brass and the bottom bar is C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
5.6 to 11
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 41
42
Shear Strength, MPa 180 to 280
390 to 510
Tensile Strength: Ultimate (UTS), MPa 270 to 470
660 to 880
Tensile Strength: Yield (Proof), MPa 78 to 390
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1020
900
Melting Onset (Solidus), °C 990
850
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 160
99
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
22
Electrical Conductivity: Equal Weight (Specific), % IACS 37
25

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
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
560 to 1290
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.8 to 15
23 to 31
Strength to Weight: Bending, points 11 to 16
21 to 26
Thermal Diffusivity, mm2/s 47
30
Thermal Shock Resistance, points 9.5 to 16
21 to 29

Alloy Composition


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Aluminum (Al), % 0
3.0 to 6.0
Copper (Cu), % 83.5 to 86.5
63 to 68
Iron (Fe), % 0 to 0.1
2.0 to 4.0
Lead (Pb), % 1.5 to 2.2
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0 to 0.25
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 10.6 to 15
21.8 to 32.5
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants