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CC494K Bronze vs. CC483K Bronze

Both CC494K bronze and CC483K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is CC494K bronze and the bottom bar is CC483K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 67
97
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 7.6
6.4
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 210
310
Tensile Strength: Yield (Proof), MPa 94
170

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 970
990
Melting Onset (Solidus), °C 890
870
Specific Heat Capacity, J/kg-K 360
370
Thermal Conductivity, W/m-K 63
68
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
10
Electrical Conductivity: Equal Weight (Specific), % IACS 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 9.1
8.7
Embodied Carbon, kg CO2/kg material 3.1
3.8
Embodied Energy, MJ/kg 50
62
Embodied Water, L/kg 360
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
17
Resilience: Unit (Modulus of Resilience), kJ/m3 43
130
Stiffness to Weight: Axial, points 6.4
6.9
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.5
9.9
Strength to Weight: Bending, points 8.8
12
Thermal Diffusivity, mm2/s 19
21
Thermal Shock Resistance, points 7.8
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.5
0 to 0.15
Copper (Cu), % 78 to 87
85 to 89
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 8.0 to 10
0 to 0.7
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0 to 2.0
0 to 2.0
Phosphorus (P), % 0 to 0.1
0 to 0.6
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.1
0 to 0.050
Tin (Sn), % 4.0 to 6.0
10.5 to 13
Zinc (Zn), % 0 to 2.0
0 to 0.5