从化学成分设计、冶炼连铸工艺、热轧工艺等方面对海底管线管X56 PSL2进行了研究，并且在衡管进行了海底管线管X56 PSL2的工业试制，满足了油田用户对海底管线管X56 PSL2的需求。实践证明，衡管的工艺方案，满足和适应了油田用户的需要。海底管线管X56 PSL2的研制成功，为衡管生产低碳微合金化高强度管线提供了生产经验，并具有指导作用。
Based on chemical compositions, smelting and continuouscasting producing process, hotrolling producing process, the submarine steel pipeline X56 PSL2 have been developed and industrial trial produced in HG. The properties of Submarine Steel Pipeline X56 PSL2 meets for oilfield consume. The success development of Submarine Steel Pipeline X56 PSL2 supply HG with manufacture experience on producing microcarbon, lowalloy, and highstrength pipeline, and it is imbued with guide meaning.
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