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Soda-lime Glass vs. ASTM F15 Fe-Ni-Co

Soda-lime glass and ASTM F15 Fe-Ni-Co belong to fundamentally different material chemistries. Soda-lime glass is a ceramic material, while ASTM F15 Fe-Ni-Co 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 (16, 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 soda-lime glass and the bottom bar is ASTM F15 Fe-Ni-Co.

Soda-Lime (Float) GlassASTM F15 (1.3981, K94610) Fe-Ni-Co Sealing Alloy
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70 to 71
190
Poisson's Ratio 0.23
0.3
Shear Modulus, GPa 29
73
Tensile Strength: Ultimate (UTS), MPa 41 to 180
520 to 880

Thermal Properties

Specific Heat Capacity, J/kg-K 720 to 800
460
Thermal Conductivity, W/m-K 1.0 to 1.1
17
Thermal Expansion, µm/m-K 8.8 to 9.0
6.0

Otherwise Unclassified Properties

Density, g/cm3 2.4
8.3

Common Calculations

Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 56
23
Strength to Weight: Axial, points 4.6 to 20
17 to 29
Strength to Weight: Bending, points 11 to 28
17 to 24
Thermal Diffusivity, mm2/s 0.51 to 0.6
4.5
Thermal Shock Resistance, points 4.7 to 20
32 to 55