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C55180 Copper vs. C90500 Gun Metal

Both C55180 copper and C90500 gun metal 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. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C55180 copper and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 200
320
Tensile Strength: Yield (Proof), MPa 100
160

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 920
1000
Melting Onset (Solidus), °C 710
850
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 200
75
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 2.5
3.6
Embodied Energy, MJ/kg 39
59
Embodied Water, L/kg 290
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
54
Resilience: Unit (Modulus of Resilience), kJ/m3 48
110
Stiffness to Weight: Axial, points 7.1
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.4
10
Strength to Weight: Bending, points 8.8
12
Thermal Diffusivity, mm2/s 56
23
Thermal Shock Resistance, points 7.9
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 94.7 to 95.2
86 to 89
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 4.8 to 5.2
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
1.0 to 3.0
Residuals, % 0
0 to 0.3