From: Optimization of the flexural rigidity of a concentric pipe used in transmitting rotation for arc-shaped forceps
Material
SUS630
Ti-6Al-4V
SUS304
E (GPa)
205
113
192
\(\sigma _\mathrm{proof}\) (MPa)
1175
828
\(\sigma _s\) (MPa)
1144
631
1071
\(\tau _s\) (MPa)
157
139
155
\(\sigma _\mathrm{net}\) (MPa)
1166
709
1131
\(\phi \) (°)
2.93
4.93
3.12