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R05255 Alloy vs. CR025A Copper

R05255 alloy belongs to the otherwise unclassified metals classification, while CR025A copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R05255 alloy and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 70
43
Tensile Strength: Ultimate (UTS), MPa 540
230
Tensile Strength: Yield (Proof), MPa 450
140

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Specific Heat Capacity, J/kg-K 140
390
Thermal Conductivity, W/m-K 59
370
Thermal Expansion, µm/m-K 6.6
17

Otherwise Unclassified Properties

Density, g/cm3 17
9.0
Embodied Water, L/kg 630
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
31
Resilience: Unit (Modulus of Resilience), kJ/m3 530
83
Stiffness to Weight: Axial, points 6.3
7.2
Stiffness to Weight: Bending, points 11
18
Strength to Weight: Axial, points 9.1
7.1
Strength to Weight: Bending, points 8.9
9.3
Thermal Diffusivity, mm2/s 25
110
Thermal Shock Resistance, points 31
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), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
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), % 95.9 to 98
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 2.0 to 3.5
0