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PVC-P vs. R31537 Cobalt

PVC-P and R31537 cobalt belong to fundamentally different material chemistries. PVC-P is a polymeric material, while R31537 cobalt is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 15 material properties with values for both materials. Properties with values for just one material (26, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is PVC-P and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
220
Elongation at Break, % 180
14 to 23
Poisson's Ratio 0.39
0.29
Tensile Strength: Ultimate (UTS), MPa 16
1000 to 1340

Thermal Properties

Melting Onset (Solidus), °C 190
1290
Specific Heat Capacity, J/kg-K 1400
450
Thermal Conductivity, W/m-K 0.17
13
Thermal Expansion, µm/m-K 160
13

Otherwise Unclassified Properties

Density, g/cm3 1.4
8.4

Common Calculations

Stiffness to Weight: Axial, points 0.57
15
Stiffness to Weight: Bending, points 28
24
Strength to Weight: Axial, points 3.2
33 to 44
Strength to Weight: Bending, points 10
26 to 32
Thermal Diffusivity, mm2/s 0.090
3.4
Thermal Shock Resistance, points 4.9
24 to 32