The complex effects of different nitrogen (N) contents and thermal routines on the microstructure and mechanical properties of 33Mn2V steels for N80-Class seamless casing tube application were investigated using Gleeble simulation technique. The results showed that the N additions of 0.014%-0.021% in the steels for the in-line normalization process (ILNP) increased the strength while the toughness remained at a high level as compared with the steel with N content of 0.005%. It was also revealed that the N a...
【英文摘要】
The complex effects of different nitrogen (N) contents and thermal routines on the microstructure and mechanical properties of 33Mn2V steels for N80-Class seamless casing tube application were investigated using Gleeble simulation technique. The results showed that the N additions of 0.014%-0.021% in the steels for the in-line normalization process (ILNP) increased the strength while the toughness remained at a high level as compared with the steel with N content of 0.005%. It was also revealed that the N a...
【基金】
Item Sponsored by High-Tech Research and Development Program of China (863 Program) (2007AA03Z506)
【更新日期】
2010-04-16
【分类号】
TG142.1
【正文快照】
The in-line normalizing process (ILNP) issometi mes utilized in the production of non-quench-&-temper N80-class seamless casing tube[1 -2].It isrealized byinserting a suitable cooling process of thesteel pipe between tandemrolling and stretch-reduc-tion-d
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