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C81400 Copper vs. R05255 Alloy

C81400 copper belongs to the copper alloys classification, while R05255 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is R05255 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
70
Tensile Strength: Ultimate (UTS), MPa 370
540
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 210
140
Specific Heat Capacity, J/kg-K 390
140
Thermal Conductivity, W/m-K 260
59
Thermal Expansion, µm/m-K 17
6.6

Otherwise Unclassified Properties

Density, g/cm3 8.9
17
Embodied Water, L/kg 310
630

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
530
Stiffness to Weight: Axial, points 7.3
6.3
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 11
9.1
Strength to Weight: Bending, points 13
8.9
Thermal Diffusivity, mm2/s 75
25
Thermal Shock Resistance, points 13
31

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
95.9 to 98
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
2.0 to 3.5
Residuals, % 0 to 0.5
0