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Borosilicate Glass vs. ASTM B617 Coin Silver

Borosilicate glass and ASTM B617 coin silver belong to fundamentally different material chemistries. Borosilicate glass is a ceramic material, while ASTM B617 coin silver is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (23, 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 ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67 to 80
75
Poisson's Ratio 0.21
0.37
Tensile Strength: Ultimate (UTS), MPa 280
290 to 520

Thermal Properties

Melting Onset (Solidus), °C 560
780
Specific Heat Capacity, J/kg-K 830
250
Thermal Expansion, µm/m-K 3.3 to 5.1
19

Otherwise Unclassified Properties

Density, g/cm3 2.2 to 2.6
10

Common Calculations

Stiffness to Weight: Axial, points 15 to 17
4.1
Stiffness to Weight: Bending, points 55 to 61
14
Strength to Weight: Axial, points 30 to 35
7.7 to 14
Strength to Weight: Bending, points 36 to 43
9.3 to 14
Thermal Shock Resistance, points 50 to 91
14 to 25