A Special TMCP Used to Develop a 800MPa Grade HSLA Steel
摘要
The effect of relaxation after finished rolling on structure s and properties of four microalloyed steel with different content of Nb and Ti was investigated. By alloy designing and control rolling+rel axation-precipitation-control phase transformation (RPC) process, a ne w 800MPa grade HSLA plate steel could be obtained, the microstructure is composite ultra-fine lath bainite/martensite. The tempering process and mechanical properties of this kind of HSLA steel were investigate d. The yield strength can achieve 800MPa, and the ductility and impact toughness is satisfied.
引用本文（GB/T 7714）
Cheng-jia, ► Shang. A Special TMCP Used to Develop a 800MPa Grade HSLA Steel[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2001.
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