TP304H аустенит халуунд тэсвэртэй ган бойлер хоолойн …
In order to study the microstructure and properties of TP304H austenitic heat-resistant steel which has been used for a long time under high temperature and high pressure and overheated tube burst, the metallographic structure analysis, electronic bell test, SEM energy spectrum analysis and mechanical property test at room temperature …