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AISI 316L Stainless Steel vs. PP Copolymer

AISI 316L stainless steel and PP copolymer belong to fundamentally different material chemistries. AISI 316L stainless steel is a metal, while PP copolymer is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (32, 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 AISI 316L stainless steel and the bottom bar is PP copolymer.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 7.9
0.9
Elastic (Young's, Tensile) Modulus, GPa 200
0.9 to 1.1
Elongation at Break, % 9.0 to 50
12
Maximum Temperature: Mechanical, °C 870
80
Melting Onset (Solidus), °C 1380
150
Stiffness to Weight: Axial, points 14
0.56 to 0.68
Stiffness to Weight: Bending, points 25
36 to 38
Strength to Weight: Axial, points 19 to 41
7.1 to 10
Strength to Weight: Bending, points 18 to 31
20 to 25
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
23 to 33