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C90500 Gun Metal vs. C17300 Copper

Both C90500 gun metal and C17300 copper are copper alloys. They have 88% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C90500 gun metal and the bottom bar is C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
3.0 to 23
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 320
500 to 1380
Tensile Strength: Yield (Proof), MPa 160
160 to 1200

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
270
Melting Completion (Liquidus), °C 1000
980
Melting Onset (Solidus), °C 850
870
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 75
110
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
22
Electrical Conductivity: Equal Weight (Specific), % IACS 11
23

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 3.6
9.4
Embodied Energy, MJ/kg 59
150
Embodied Water, L/kg 390
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
40 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 110
110 to 5410
Stiffness to Weight: Axial, points 6.9
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
16 to 44
Strength to Weight: Bending, points 12
16 to 31
Thermal Diffusivity, mm2/s 23
32
Thermal Shock Resistance, points 12
17 to 48

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.2
Antimony (Sb), % 0 to 0.2
0
Beryllium (Be), % 0
1.8 to 2.0
Copper (Cu), % 86 to 89
95.5 to 97.8
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0 to 0.3
0.2 to 0.6
Nickel (Ni), % 0 to 1.0
0.2 to 0.6
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.2
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 1.0 to 3.0
0
Residuals, % 0
0 to 0.5