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C83300 Brass vs. C86800 Bronze

Both C83300 brass and C86800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C83300 brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 35
22
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 220
570
Tensile Strength: Yield (Proof), MPa 69
260

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 1060
900
Melting Onset (Solidus), °C 1030
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 33
10

Otherwise Unclassified Properties

Base Metal Price, % relative 30
24
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
100
Resilience: Unit (Modulus of Resilience), kJ/m3 21
310
Stiffness to Weight: Axial, points 7.0
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.9
20
Strength to Weight: Bending, points 9.2
19
Thermal Shock Resistance, points 7.9
18

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 92 to 94
53.5 to 57
Iron (Fe), % 0
1.0 to 2.5
Lead (Pb), % 1.0 to 2.0
0 to 0.2
Manganese (Mn), % 0
2.5 to 4.0
Nickel (Ni), % 0
2.5 to 4.0
Tin (Sn), % 1.0 to 2.0
0 to 1.0
Zinc (Zn), % 2.0 to 6.0
28.3 to 40.5
Residuals, % 0
0 to 1.0