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PVC-P vs. ASTM B780 Alloy

PVC-P and ASTM B780 alloy belong to fundamentally different material chemistries. PVC-P is a polymeric material, while ASTM B780 alloy is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 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 ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
83
Elongation at Break, % 180
1.1 to 9.1
Poisson's Ratio 0.39
0.36
Tensile Strength: Ultimate (UTS), MPa 16
330 to 590

Thermal Properties

Specific Heat Capacity, J/kg-K 1400
270
Thermal Expansion, µm/m-K 160
18

Otherwise Unclassified Properties

Density, g/cm3 1.4
10

Common Calculations

Stiffness to Weight: Axial, points 0.57
4.5
Stiffness to Weight: Bending, points 28
14
Strength to Weight: Axial, points 3.2
9.1 to 16
Strength to Weight: Bending, points 10
11 to 15
Thermal Shock Resistance, points 4.9
16 to 29