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CC333G Bronze vs. C90500 Gun Metal

Both CC333G bronze and C90500 gun metal 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. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC333G bronze and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 710
320
Tensile Strength: Yield (Proof), MPa 310
160

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1080
1000
Melting Onset (Solidus), °C 1020
850
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 38
75
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.5
3.6
Embodied Energy, MJ/kg 56
59
Embodied Water, L/kg 380
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
54
Resilience: Unit (Modulus of Resilience), kJ/m3 410
110
Stiffness to Weight: Axial, points 8.0
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
10
Strength to Weight: Bending, points 21
12
Thermal Diffusivity, mm2/s 10
23
Thermal Shock Resistance, points 24
12

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Bismuth (Bi), % 0 to 0.010
0
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 76 to 83
86 to 89
Iron (Fe), % 3.0 to 5.5
0 to 0.2
Lead (Pb), % 0 to 0.030
0 to 0.3
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 3.0
0
Nickel (Ni), % 3.7 to 6.0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.1
9.0 to 11
Zinc (Zn), % 0 to 0.5
1.0 to 3.0
Residuals, % 0
0 to 0.3