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采用低C、高Mn、Nb-Ti合金化的化学成分设计和TMCP工艺试制了深海用管线钢,钢材力学性能满足南海项目的技术条件要求
Pipeline steel for deep sea was trial-produced by using chemical composition design with low C, high Mn and Nb-Ti alloying and TMCP technology. The mechanical properties of steel meet the technical requirements of South China Sea project