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CC497K Bronze vs. CC332G Bronze

Both CC497K bronze and CC332G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is CC497K bronze and the bottom bar is CC332G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
130
Elastic (Young's, Tensile) Modulus, GPa 93
120
Elongation at Break, % 6.7
22
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 34
43
Tensile Strength: Ultimate (UTS), MPa 190
620
Tensile Strength: Yield (Proof), MPa 91
250

Thermal Properties

Latent Heat of Fusion, J/g 160
230
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 870
1060
Melting Onset (Solidus), °C 800
1010
Specific Heat Capacity, J/kg-K 330
440
Thermal Conductivity, W/m-K 53
45
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 9.3
8.3
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 48
55
Embodied Water, L/kg 370
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
110
Resilience: Unit (Modulus of Resilience), kJ/m3 45
270
Stiffness to Weight: Axial, points 5.5
7.7
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.6
21
Strength to Weight: Bending, points 7.8
19
Thermal Diffusivity, mm2/s 17
12
Thermal Shock Resistance, points 7.2
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
8.5 to 10.5
Antimony (Sb), % 0 to 0.75
0
Copper (Cu), % 67.5 to 77.5
80 to 86
Iron (Fe), % 0 to 0.25
1.0 to 3.0
Lead (Pb), % 18 to 23
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.2
0 to 2.0
Nickel (Ni), % 0.5 to 2.5
1.5 to 4.0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.2
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0 to 0.2
Zinc (Zn), % 0 to 2.0
0 to 0.5