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CC497K Bronze vs. C91600 Bronze

Both CC497K bronze and C91600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is CC497K bronze and the bottom bar is C91600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
84
Elastic (Young's, Tensile) Modulus, GPa 93
110
Elongation at Break, % 6.7
11
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 34
41
Tensile Strength: Ultimate (UTS), MPa 190
310
Tensile Strength: Yield (Proof), MPa 91
160

Thermal Properties

Latent Heat of Fusion, J/g 160
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 870
1030
Melting Onset (Solidus), °C 800
860
Specific Heat Capacity, J/kg-K 330
370
Thermal Conductivity, W/m-K 53
71
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
36
Density, g/cm3 9.3
8.8
Embodied Carbon, kg CO2/kg material 3.0
3.7
Embodied Energy, MJ/kg 48
61
Embodied Water, L/kg 370
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
30
Resilience: Unit (Modulus of Resilience), kJ/m3 45
120
Stiffness to Weight: Axial, points 5.5
7.0
Stiffness to Weight: Bending, points 16
18
Strength to Weight: Axial, points 5.6
9.9
Strength to Weight: Bending, points 7.8
12
Thermal Diffusivity, mm2/s 17
22
Thermal Shock Resistance, points 7.2
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.75
0 to 0.2
Copper (Cu), % 67.5 to 77.5
85.9 to 89.1
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 18 to 23
0 to 0.25
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.5
1.2 to 2.0
Phosphorus (P), % 0 to 0.1
0 to 0.3
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.1
0 to 0.050
Tin (Sn), % 4.0 to 6.0
9.7 to 10.8
Zinc (Zn), % 0 to 2.0
0 to 0.25