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CC480K Bronze vs. C87500 Brass

Both CC480K bronze and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% 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 CC480K bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 300
460
Tensile Strength: Yield (Proof), MPa 180
190

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1010
920
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 63
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
27
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 59
44
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
67
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 6.9
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.6
16
Strength to Weight: Bending, points 11
16
Thermal Diffusivity, mm2/s 20
8.3
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.5
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 86 to 90
79 to 85
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 1.0
0 to 0.5
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
3.0 to 5.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.5
12 to 16
Residuals, % 0
0 to 0.5