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Study on Mechanical Properties of N80 Class Oil Casing Produced by Direct Rolling Process

机译：直轧工艺生产N80级油套管力学性能研究

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摘要

Recently,WSP China has developed a direct rolling process to produce N80 class seamless oil casing by non-quenched and tempered treatment.The relationship between mechanical properties and microstructures of two types of the N80 class casing has been investigated in this study.The microstructures were resolved by optical microscopy.Impact properties were determined for both steels by instrumented impact tests at temperatures at 0°C.The results were discussed in relation to the difference in the chemical composition and microstructure for the two types of steel pipes.
机译：最近，WSP中国开发了一种直接的轧制过程，通过非淬火和回火处理生产N80级无缝油套管。在本研究中已经研究了两种类型的N80级壳体的机械性能和微观结构之间的关系。微观结构是通过光学显微镜解决。通过在0℃的温度下通过仪器的冲击试验测定两个钢测定的性质。结果是关于两种类型钢管的化学成分和微观结构的差异讨论的结果。

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