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R60705 Alloy vs. C18400 Copper

R60705 alloy belongs to the otherwise unclassified metals classification, while C18400 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R60705 alloy and the bottom bar is C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
120
Elongation at Break, % 18
13 to 50
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 37
44
Tensile Strength: Ultimate (UTS), MPa 540
270 to 490
Tensile Strength: Yield (Proof), MPa 430
110 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Specific Heat Capacity, J/kg-K 270
390
Thermal Conductivity, W/m-K 17
320
Thermal Expansion, µm/m-K 6.3
17

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 950
54 to 980
Stiffness to Weight: Axial, points 8.1
7.3
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 22
8.5 to 15
Strength to Weight: Bending, points 22
10 to 16
Thermal Diffusivity, mm2/s 9.5
94
Thermal Shock Resistance, points 63
9.6 to 17

Alloy Composition

Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0.4 to 1.2
Copper (Cu), % 0
97.2 to 99.6
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.15
Lithium (Li), % 0
0 to 0.050
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.7
Zirconium (Zr), % 91 to 98
0
Residuals, % 0
0 to 0.5