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SAE-AISI 1010 Steel vs. PBI

SAE-AISI 1010 steel and PBI belong to fundamentally different material chemistries. SAE-AISI 1010 steel is a metal, while PBI is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 15 material properties with values for both materials. Properties with values for just one material (30, 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 SAE-AISI 1010 steel and the bottom bar is PBI.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
5.9
Elongation at Break, % 22 to 31
3.0
Fatigue Strength, MPa 150 to 230
56
Tensile Strength: Ultimate (UTS), MPa 350 to 400
160

Thermal Properties

Maximum Temperature: Mechanical, °C 400
340
Specific Heat Capacity, J/kg-K 470
930
Thermal Conductivity, W/m-K 47
0.41
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Density, g/cm3 7.9
1.3

Common Calculations

Stiffness to Weight: Axial, points 13
2.5
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 12 to 14
34
Strength to Weight: Bending, points 14 to 15
50
Thermal Diffusivity, mm2/s 13
0.34
Thermal Shock Resistance, points 11 to 13
84