HIC test and inclusion analysis are carried out to 16MnR heavy and medium plate with different S contents.The result show that HIC sensitivity of 16MnR reduces is excellent when the S content(sulphide inclusion).HIC r...HIC test and inclusion analysis are carried out to 16MnR heavy and medium plate with different S contents.The result show that HIC sensitivity of 16MnR reduces is excellent when the S content(sulphide inclusion).HIC resistance is excellent when the S content is not greater than 0 005 while the decrease of indusion A is obvious and inclusion is lower then class 0 5.展开更多
The regularity of the development of inclusions and the cleanliness level of the steel 16MnR during the whole process are investigated. The emphasis is focused on the type, quantity, distribution, sources and formatio...The regularity of the development of inclusions and the cleanliness level of the steel 16MnR during the whole process are investigated. The emphasis is focused on the type, quantity, distribution, sources and formation of the large oxide inclusions in ingot. The result shows that the major inclusions in ingot are block Al;O;. The large oxide inclusions mainly come from entrapment of complex slags.展开更多
文摘HIC test and inclusion analysis are carried out to 16MnR heavy and medium plate with different S contents.The result show that HIC sensitivity of 16MnR reduces is excellent when the S content(sulphide inclusion).HIC resistance is excellent when the S content is not greater than 0 005 while the decrease of indusion A is obvious and inclusion is lower then class 0 5.
文摘The regularity of the development of inclusions and the cleanliness level of the steel 16MnR during the whole process are investigated. The emphasis is focused on the type, quantity, distribution, sources and formation of the large oxide inclusions in ingot. The result shows that the major inclusions in ingot are block Al;O;. The large oxide inclusions mainly come from entrapment of complex slags.