The temperature for SA213 T91 tube should be 900 degrees Celsius. SA213 T91 tube properties at different temperatures:
At -196 degrees Celsius, the SA213 T91 tube will have yield strength of 298 MPa and elongation of 10%.
At -183 degrees Celsius, the SA213 T91 tube will have yield strength of 297 MPa and elongation of 9%.
At -170 degrees Celsius, the SA213 T91 tube will have yield strength of 296 MPa and elongation of 8%.
At -157 degrees Celsius, the SA213 T91 tube will have yield strength of 295 MPa and elongation of 7%.
At -144 degrees Celsius, the SA213 T91 tube will have yield strength of 294 MP