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CC482K Bronze vs. C87900 Brass

Both CC482K bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% 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 C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6
25
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 300
480
Tensile Strength: Yield (Proof), MPa 160
240

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 980
930
Melting Onset (Solidus), °C 860
900
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 64
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
15
Electrical Conductivity: Equal Weight (Specific), % IACS 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 62
46
Embodied Water, L/kg 400
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
100
Resilience: Unit (Modulus of Resilience), kJ/m3 120
270
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.5
17
Strength to Weight: Bending, points 11
17
Thermal Diffusivity, mm2/s 20
37
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.15
Antimony (Sb), % 0 to 0.2
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 83.5 to 87
63 to 69.2
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0.7 to 2.5
0 to 0.25
Manganese (Mn), % 0 to 0.2
0 to 0.15
Nickel (Ni), % 0 to 2.0
0 to 0.5
Phosphorus (P), % 0 to 0.4
0 to 0.010
Silicon (Si), % 0 to 0.010
0.8 to 1.2
Sulfur (S), % 0 to 0.080
0 to 0.050
Tin (Sn), % 10.5 to 12.5
0 to 0.25
Zinc (Zn), % 0 to 2.0
30 to 36