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PVC-P vs. AWS E3155

PVC-P and AWS E3155 belong to fundamentally different material chemistries. PVC-P is a polymeric material, while AWS E3155 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 (20, 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 AWS E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
210
Elongation at Break, % 180
23
Poisson's Ratio 0.39
0.29
Tensile Strength: Ultimate (UTS), MPa 16
770

Thermal Properties

Melting Onset (Solidus), °C 190
1410
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
14
Stiffness to Weight: Bending, points 28
24
Strength to Weight: Axial, points 3.2
26
Strength to Weight: Bending, points 10
22
Thermal Diffusivity, mm2/s 0.090
3.3
Thermal Shock Resistance, points 4.9
20