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ACI-ASTM CA40 Steel vs. PVDF

ACI-ASTM CA40 steel and PVDF belong to fundamentally different material chemistries. ACI-ASTM CA40 steel is a metal, while PVDF is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 16 material properties with values for both materials. Properties with values for just one material (31, 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 ACI-ASTM CA40 steel and the bottom bar is PVDF.

ACI-ASTM CA40 (SCS2A, J91153) Cast Stainless SteelPolyvinylidene Fluoride (PVDF)
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
1.1
Elongation at Break, % 10
200
Tensile Strength: Ultimate (UTS), MPa 910
49

Thermal Properties

Maximum Temperature: Corrosion, °C 390
150
Maximum Temperature: Mechanical, °C 750
140
Melting Onset (Solidus), °C 1500
170
Specific Heat Capacity, J/kg-K 480
1120
Thermal Conductivity, W/m-K 25
0.12
Thermal Expansion, µm/m-K 10
120

Otherwise Unclassified Properties

Density, g/cm3 7.7
1.8

Common Calculations

Stiffness to Weight: Axial, points 14
0.35
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 33
7.8
Strength to Weight: Bending, points 27
17
Thermal Diffusivity, mm2/s 6.7
0.061
Thermal Shock Resistance, points 33
27