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R05240 Alloy vs. C18400 Copper

R05240 alloy belongs to the otherwise unclassified metals classification, while C18400 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
120
Elongation at Break, % 25
13 to 50
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 57
44
Tensile Strength: Ultimate (UTS), MPa 270
270 to 490
Tensile Strength: Yield (Proof), MPa 170
110 to 480

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Specific Heat Capacity, J/kg-K 190
390
Thermal Expansion, µm/m-K 6.8
17

Otherwise Unclassified Properties

Density, g/cm3 14
8.9
Embodied Water, L/kg 460
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 90
54 to 980
Stiffness to Weight: Axial, points 6.3
7.3
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 5.4
8.5 to 15
Strength to Weight: Bending, points 6.8
10 to 16
Thermal Shock Resistance, points 18
9.6 to 17

Alloy Composition

Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 0
97.2 to 99.6
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.15
Lithium (Li), % 0
0 to 0.050
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.1
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.7
Residuals, % 0
0 to 0.5