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CC484K Bronze vs. CC496K Bronze

Both CC484K bronze and CC496K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is CC484K bronze and the bottom bar is CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
72
Elastic (Young's, Tensile) Modulus, GPa 110
97
Elongation at Break, % 11
8.6
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 330
210
Tensile Strength: Yield (Proof), MPa 200
99

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 1000
900
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 370
340
Thermal Conductivity, W/m-K 70
52
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 8.7
9.2
Embodied Carbon, kg CO2/kg material 3.9
3.3
Embodied Energy, MJ/kg 64
52
Embodied Water, L/kg 400
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
15
Resilience: Unit (Modulus of Resilience), kJ/m3 180
50
Stiffness to Weight: Axial, points 6.9
5.9
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 10
6.5
Strength to Weight: Bending, points 12
8.6
Thermal Diffusivity, mm2/s 22
17
Thermal Shock Resistance, points 12
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.5
Copper (Cu), % 84.5 to 87.5
72 to 79.5
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.3
13 to 17
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 1.5 to 2.5
0.5 to 2.0
Phosphorus (P), % 0.050 to 0.4
0 to 0.1
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.050
0 to 0.1
Tin (Sn), % 11 to 13
6.0 to 8.0
Zinc (Zn), % 0 to 0.4
0 to 2.0