Sterilization in autoclave is done at 121.7°C for 15 mins at pressure of

Sterilization in an autoclave is done at 121.7°C for 15 mins at a pressure of 15 psi.
An autoclave is a machine used to carry out industrial and scientific processes requiring elevated temperature and pressure about ambient pressure and/or temperature. Autoclaves are used before surgical procedures to perform sterilization and in the chemical industry.
Many autoclaves are used to sterilize equipment and supplies by subjecting them to pressurized saturated steam at 121°C (250°F) for around 30 - 60 minutes at a pressure of 15 psi depending on the size of the load and the contents.