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R05240 Alloy vs. CR025A Copper

R05240 alloy belongs to the otherwise unclassified metals classification, while CR025A copper belongs to the copper alloys. There are 18 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 R05240 alloy and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
120
Elongation at Break, % 25
15
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 57
43
Tensile Strength: Ultimate (UTS), MPa 270
230
Tensile Strength: Yield (Proof), MPa 170
140

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
9.0
Embodied Water, L/kg 460
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
31
Resilience: Unit (Modulus of Resilience), kJ/m3 90
83
Stiffness to Weight: Axial, points 6.3
7.2
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 5.4
7.1
Strength to Weight: Bending, points 6.8
9.3
Thermal Shock Resistance, points 18
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
99.9 to 99.96
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0
0 to 0.0050
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
0.040 to 0.060
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.015
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0