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CC484K Bronze vs. C87900 Brass

Both CC484K bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% 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 CC484K 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, % 11
25
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 330
480
Tensile Strength: Yield (Proof), MPa 200
240

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1000
930
Melting Onset (Solidus), °C 870
900
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 70
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.1
15
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 3.9
2.7
Embodied Energy, MJ/kg 64
46
Embodied Water, L/kg 400
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
270
Stiffness to Weight: Axial, points 6.9
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 10
17
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.15
Antimony (Sb), % 0 to 0.1
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 84.5 to 87.5
63 to 69.2
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0 to 0.3
0 to 0.25
Manganese (Mn), % 0 to 0.2
0 to 0.15
Nickel (Ni), % 1.5 to 2.5
0 to 0.5
Phosphorus (P), % 0.050 to 0.4
0 to 0.010
Silicon (Si), % 0 to 0.010
0.8 to 1.2
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 11 to 13
0 to 0.25
Zinc (Zn), % 0 to 0.4
30 to 36