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CC484K Bronze vs. CC493K Bronze

Both CC484K bronze and CC493K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is CC484K bronze and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
74
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 11
14
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 330
270
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1000
960
Melting Onset (Solidus), °C 870
880
Specific Heat Capacity, J/kg-K 370
360
Thermal Conductivity, W/m-K 70
61
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.1
12
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
32
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 3.9
3.3
Embodied Energy, MJ/kg 64
53
Embodied Water, L/kg 400
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
33
Resilience: Unit (Modulus of Resilience), kJ/m3 180
89
Stiffness to Weight: Axial, points 6.9
6.5
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10
8.6
Strength to Weight: Bending, points 12
11
Thermal Diffusivity, mm2/s 22
19
Thermal Shock Resistance, points 12
10

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.3
Copper (Cu), % 84.5 to 87.5
79 to 86
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0 to 0.3
5.0 to 8.0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 1.5 to 2.5
0 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
5.2 to 8.0
Zinc (Zn), % 0 to 0.4
2.0 to 5.0