|MOJŽIŠ Milan||ŽP Research and Development Centre|
|Spoluautoři DOMOVCOVÁ Lucia, PARILÁK Ľudovít|
The steel grade 10CrMo9-10 belongs to Heat resistant steel with Ferite - Bainite structure. Its mechanical properties guarantee CREEP- resistance to work temperature of 530 °C. The tubes are produced from given steel grade by rolling processes and heating treatment. Required mechanical properties and CREEP-resistance is defined by condition of ferrite microstructure in area of tempered bainit is response chemical composition. In this article we present the tempering program within a temperature range from 500 °C to 730 °C. The influence of tempering temperature to strength and plastic properties and state of microstructure of 10CrMo9-10 grade are described. The analysis show optimal conditions of tempering.