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Borosilicate Glass vs. SAE-AISI A10 Steel

Borosilicate glass and SAE-AISI A10 steel belong to fundamentally different material chemistries. Borosilicate glass is a ceramic material, while SAE-AISI A10 steel is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 14 material properties with values for both materials. Properties with values for just one material (24, 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 borosilicate glass and the bottom bar is SAE-AISI A10 steel.

Borosilicate GlassSAE-AISI A10 (T30110) Air-Hardening Steel
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67 to 80
190
Poisson's Ratio 0.21
0.29
Tensile Strength: Ultimate (UTS), MPa 280
810 to 2040

Thermal Properties

Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 830
480
Thermal Conductivity, W/m-K 1.2
40
Thermal Expansion, µm/m-K 3.3 to 5.1
12

Otherwise Unclassified Properties

Density, g/cm3 2.2 to 2.6
7.8

Common Calculations

Stiffness to Weight: Axial, points 15 to 17
13
Stiffness to Weight: Bending, points 55 to 61
25
Strength to Weight: Axial, points 30 to 35
29 to 73
Strength to Weight: Bending, points 36 to 43
25 to 46
Thermal Diffusivity, mm2/s 0.54 to 0.63
11
Thermal Shock Resistance, points 50 to 91
27 to 68