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NBR Rubber vs. AISI 316 Stainless Steel

NBR rubber and AISI 316 stainless steel belong to fundamentally different material chemistries. NBR rubber is a polymeric material, while AISI 316 stainless steel is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 9 material properties with values for both materials. Properties with values for just one material (28, 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 NBR rubber and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
7.9
Elongation at Break, % 380
8.0 to 55
Maximum Temperature: Mechanical, °C 110
590
Specific Heat Capacity, J/kg-K 1350
470
Strength to Weight: Axial, points 3.9
18 to 41
Strength to Weight: Bending, points 12
18 to 31
Tensile Strength: Ultimate (UTS), MPa 18
520 to 1180
Thermal Conductivity, W/m-K 0.25
15
Thermal Diffusivity, mm2/s 0.15
4.1