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C18900 Copper vs. R60705 Alloy

C18900 copper belongs to the copper alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C18900 copper and the bottom bar is R60705 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
98
Elongation at Break, % 14 to 48
18
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
37
Tensile Strength: Ultimate (UTS), MPa 260 to 500
540
Tensile Strength: Yield (Proof), MPa 67 to 390
430

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 17
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.9
6.7
Embodied Water, L/kg 310
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 95
90
Resilience: Unit (Modulus of Resilience), kJ/m3 20 to 660
950
Stiffness to Weight: Axial, points 7.2
8.1
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 8.2 to 16
22
Strength to Weight: Bending, points 10 to 16
22
Thermal Diffusivity, mm2/s 38
9.5
Thermal Shock Resistance, points 9.3 to 18
63

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 97.7 to 99.15
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0.1 to 0.3
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0.15 to 0.4
0
Tin (Sn), % 0.6 to 0.9
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
91 to 98
Residuals, % 0 to 0.5
0