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CC483K Bronze vs. CC484K Bronze

Both CC483K bronze and CC484K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is CC483K bronze and the bottom bar is CC484K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 97
100
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.4
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 310
330
Tensile Strength: Yield (Proof), MPa 170
200

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 990
1000
Melting Onset (Solidus), °C 870
870
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 68
70
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 3.8
3.9
Embodied Energy, MJ/kg 62
64
Embodied Water, L/kg 400
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
32
Resilience: Unit (Modulus of Resilience), kJ/m3 130
180
Stiffness to Weight: Axial, points 6.9
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.9
10
Strength to Weight: Bending, points 12
12
Thermal Diffusivity, mm2/s 21
22
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.15
0 to 0.1
Copper (Cu), % 85 to 89
84.5 to 87.5
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0 to 0.7
0 to 0.3
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0 to 2.0
1.5 to 2.5
Phosphorus (P), % 0 to 0.6
0.050 to 0.4
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 10.5 to 13
11 to 13
Zinc (Zn), % 0 to 0.5
0 to 0.4