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C33000 Brass vs. C86300 Bronze

Both C33000 brass and C86300 bronze are copper alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.0 to 60
14
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 320 to 520
850
Tensile Strength: Yield (Proof), MPa 110 to 450
480

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 900
890
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 120
35
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
1030
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
30
Strength to Weight: Bending, points 13 to 18
25
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 11 to 17
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 65 to 68
60 to 66
Iron (Fe), % 0 to 0.070
2.0 to 4.0
Lead (Pb), % 0.25 to 0.7
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 30.8 to 34.8
22 to 28
Residuals, % 0 to 0.4
0 to 1.0