Hu Yanzheng, Huang Tao, Zhang Jun, Cui Runjiong. Research and Development of Non-normalized N80 Oil Well Steel Pipe[J]. STEEL PIPE, 2004, 33(2): 16-19.
    Citation: Hu Yanzheng, Huang Tao, Zhang Jun, Cui Runjiong. Research and Development of Non-normalized N80 Oil Well Steel Pipe[J]. STEEL PIPE, 2004, 33(2): 16-19.

    Research and Development of Non-normalized N80 Oil Well Steel Pipe

    • The composition and rolling technology of the microalloyed and non-normalized N80 Φ139.70 mm×7.72 mm oil well steel pipe as well as the effect on its mechanical properties by its chemical composition and structure are studied and the performance stability of the said pipe evaluated.
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