Samples (No.) | P (Pressure) (KN) | ∆L (mm) | Strain (%) | Stress (MPa) | E (Youngs Modulas) (GPa or kN/mm) |
19 G | 16 | 1.8 | 0.018 | 25 | 1.38 |
20 G | 14.5 | 2.5 | 0.024 | 23 | 0.958 |
43 G | 17.5 | 1.5 | 0.0149 | 31 | 2.08 |