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C84500 Brass vs. CC484K Bronze

Both C84500 brass and CC484K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is C84500 brass and the bottom bar is CC484K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
100
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 28
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 240
330
Tensile Strength: Yield (Proof), MPa 97
200

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 980
1000
Melting Onset (Solidus), °C 840
870
Specific Heat Capacity, J/kg-K 360
370
Thermal Conductivity, W/m-K 72
70
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 17
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
37
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 47
64
Embodied Water, L/kg 340
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
32
Resilience: Unit (Modulus of Resilience), kJ/m3 45
180
Stiffness to Weight: Axial, points 6.6
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.7
10
Strength to Weight: Bending, points 9.8
12
Thermal Diffusivity, mm2/s 23
22
Thermal Shock Resistance, points 8.6
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.25
0 to 0.1
Copper (Cu), % 77 to 79
84.5 to 87.5
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 6.0 to 7.5
0 to 0.3
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 1.0
1.5 to 2.5
Phosphorus (P), % 0 to 0.020
0.050 to 0.4
Silicon (Si), % 0 to 0.0050
0 to 0.010
Sulfur (S), % 0 to 0.080
0 to 0.050
Tin (Sn), % 2.0 to 4.0
11 to 13
Zinc (Zn), % 10 to 14
0 to 0.4
Residuals, % 0 to 0.7
0