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AISI 316 Stainless Steel vs. CAB

AISI 316 stainless steel and CAB belong to fundamentally different material chemistries. AISI 316 stainless steel is a metal, while CAB is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 11 material properties with values for both materials. Properties with values for just one material (37, 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 316 stainless steel and the bottom bar is CAB.

AISI 316 (S31600) Stainless SteelCellulose Acetate Butyrate (CAB)
Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 8.0 to 55
50 to 55
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
20 to 50
Tensile Strength: Yield (Proof), MPa 230 to 850
17 to 40

Thermal Properties

Specific Heat Capacity, J/kg-K 470
1460
Thermal Conductivity, W/m-K 15
0.25
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Density, g/cm3 7.9
1.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
9.5 to 26
Strength to Weight: Axial, points 18 to 41
4.8 to 12
Strength to Weight: Bending, points 18 to 31
14 to 25
Thermal Diffusivity, mm2/s 4.1
0.14 to 0.15