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C14300 Copper vs. C90500 Gun Metal

Both C14300 copper and C90500 gun metal are copper alloys. They have 88% 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 C14300 copper 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, % 2.0 to 42
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220 to 460
320
Tensile Strength: Yield (Proof), MPa 76 to 430
160

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1080
1000
Melting Onset (Solidus), °C 1050
850
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 380
75
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 96
11
Electrical Conductivity: Equal Weight (Specific), % IACS 96
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
35
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
59
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 72
54
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 810
110
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8 to 14
10
Strength to Weight: Bending, points 9.1 to 15
12
Thermal Diffusivity, mm2/s 110
23
Thermal Shock Resistance, points 7.8 to 16
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Cadmium (Cd), % 0.050 to 0.15
0
Copper (Cu), % 99.9 to 99.95
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), % 0
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