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CC482K Bronze vs. C68100 Brass

Both CC482K bronze and C68100 brass 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 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC482K bronze and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 5.6
29
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 300
380
Tensile Strength: Yield (Proof), MPa 160
140

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 980
890
Melting Onset (Solidus), °C 860
870
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 64
98
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
24
Electrical Conductivity: Equal Weight (Specific), % IACS 10
27

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 62
47
Embodied Water, L/kg 400
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
86
Resilience: Unit (Modulus of Resilience), kJ/m3 120
94
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.5
13
Strength to Weight: Bending, points 11
15
Thermal Diffusivity, mm2/s 20
32
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 83.5 to 87
56 to 60
Iron (Fe), % 0 to 0.2
0.25 to 1.3
Lead (Pb), % 0.7 to 2.5
0 to 0.050
Manganese (Mn), % 0 to 0.2
0.010 to 0.5
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.4
0
Silicon (Si), % 0 to 0.010
0.040 to 0.15
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 10.5 to 12.5
0.75 to 1.1
Zinc (Zn), % 0 to 2.0
36.4 to 43
Residuals, % 0
0 to 0.5