Bulk Modulus - Selected Values

Selected Values

Approximate bulk modulus (K) for common materials
Material Bulk modulus in GPa Bulk modulus in ksi
Glass (see also diagram below table) 35 to 55 5.8×103
Steel 160 23×103
Diamond 442 64×103

Material with bulk modulus value of 35GPa needs external pressure of 0.35 GPa (~3500Bar) to reduce the volume by one percent.

Approximate bulk modulus (K) for other substances
Water 2.2×109 Pa
Methanol 8.23×108 Pa
Air 1.42×105 Pa
Air 1.01×105 Pa
Solid helium 5×107 Pa

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