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CC496K Bronze vs. CC492K Bronze

Both CC496K bronze and CC492K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is CC496K bronze and the bottom bar is CC492K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 72
78
Elastic (Young's, Tensile) Modulus, GPa 97
110
Elongation at Break, % 8.6
14
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 36
40
Tensile Strength: Ultimate (UTS), MPa 210
280
Tensile Strength: Yield (Proof), MPa 99
150

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 900
1000
Melting Onset (Solidus), °C 820
900
Specific Heat Capacity, J/kg-K 340
370
Thermal Conductivity, W/m-K 52
73
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
13
Electrical Conductivity: Equal Weight (Specific), % IACS 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 9.2
8.8
Embodied Carbon, kg CO2/kg material 3.3
3.4
Embodied Energy, MJ/kg 52
54
Embodied Water, L/kg 380
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
33
Resilience: Unit (Modulus of Resilience), kJ/m3 50
100
Stiffness to Weight: Axial, points 5.9
6.8
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.5
8.7
Strength to Weight: Bending, points 8.6
11
Thermal Diffusivity, mm2/s 17
23
Thermal Shock Resistance, points 8.1
10

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.5
0 to 0.25
Copper (Cu), % 72 to 79.5
83 to 89
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 13 to 17
2.5 to 3.5
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.0
0 to 2.0
Phosphorus (P), % 0 to 0.1
0 to 0.1
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.1
0 to 0.1
Tin (Sn), % 6.0 to 8.0
6.0 to 8.0
Zinc (Zn), % 0 to 2.0
1.5 to 3.0