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CC334G Bronze vs. CC493K Bronze

Both CC334G bronze and CC493K 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 CC334G bronze and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
74
Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 5.6
14
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 45
39
Tensile Strength: Ultimate (UTS), MPa 810
270
Tensile Strength: Yield (Proof), MPa 410
140

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 240
160
Melting Completion (Liquidus), °C 1080
960
Melting Onset (Solidus), °C 1020
880
Specific Heat Capacity, J/kg-K 450
360
Thermal Conductivity, W/m-K 41
61
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.3
Embodied Energy, MJ/kg 59
53
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
33
Resilience: Unit (Modulus of Resilience), kJ/m3 710
89
Stiffness to Weight: Axial, points 8.1
6.5
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 28
8.6
Strength to Weight: Bending, points 24
11
Thermal Diffusivity, mm2/s 11
19
Thermal Shock Resistance, points 28
10

Alloy Composition

Aluminum (Al), % 10 to 12
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 72 to 84.5
79 to 86
Iron (Fe), % 3.0 to 7.0
0 to 0.2
Lead (Pb), % 0 to 0.050
5.0 to 8.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
0
Nickel (Ni), % 4.0 to 7.5
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0 to 0.2
5.2 to 8.0
Zinc (Zn), % 0 to 0.5
2.0 to 5.0