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CC334G Bronze vs. C87500 Brass

Both CC334G bronze and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% 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 CC334G bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.6
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 810
460
Tensile Strength: Yield (Proof), MPa 410
190

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 240
170
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 41
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 59
44
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
67
Resilience: Unit (Modulus of Resilience), kJ/m3 710
160
Stiffness to Weight: Axial, points 8.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 11
8.3
Thermal Shock Resistance, points 28
17

Alloy Composition

Aluminum (Al), % 10 to 12
0 to 0.5
Copper (Cu), % 72 to 84.5
79 to 85
Iron (Fe), % 3.0 to 7.0
0
Lead (Pb), % 0 to 0.050
0 to 0.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
0
Nickel (Ni), % 4.0 to 7.5
0
Silicon (Si), % 0 to 0.1
3.0 to 5.0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
12 to 16
Residuals, % 0
0 to 0.5