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CC497K Bronze vs. C87500 Brass

Both CC497K bronze and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% 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 CC497K bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
110
Elongation at Break, % 6.7
18
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 34
42
Tensile Strength: Ultimate (UTS), MPa 190
460
Tensile Strength: Yield (Proof), MPa 91
190

Thermal Properties

Latent Heat of Fusion, J/g 160
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 870
920
Melting Onset (Solidus), °C 800
820
Specific Heat Capacity, J/kg-K 330
410
Thermal Conductivity, W/m-K 53
28
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 9.3
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 370
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
67
Resilience: Unit (Modulus of Resilience), kJ/m3 45
160
Stiffness to Weight: Axial, points 5.5
7.4
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.6
16
Strength to Weight: Bending, points 7.8
16
Thermal Diffusivity, mm2/s 17
8.3
Thermal Shock Resistance, points 7.2
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.5
Antimony (Sb), % 0 to 0.75
0
Copper (Cu), % 67.5 to 77.5
79 to 85
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 18 to 23
0 to 0.5
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.5
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
3.0 to 5.0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 0 to 2.0
12 to 16
Residuals, % 0
0 to 0.5