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对国内外无磁钻铤制造所使用的特殊钢材料进行分析。通过对无磁钻铤材料发展历程的概括,对其成分体系和综合性能的发展规律进行了总结。对研发、工业生产和市场营销等环节进行调查。结合当前高性能无磁钻铤用高氮钢材料的发展趋势,阐述了我国发展此类材料应重点关注的合金体系设计、热加工和耐腐蚀以及力学性能指标等关键技术难题。
The domestic and foreign non-magnetic drill collar manufacturing of special steel used in the analysis. Through the summary of the development history of the materials of non-magnetic drill collar, the development of its component system and comprehensive performance are summarized. R & D, industrial production and marketing and other aspects of the investigation. Combined with the current development trend of high-performance non-magnetic drill collar with high-nitrogen steel, the key technical problems such as alloy system design, thermal processing and corrosion resistance as well as mechanical property index that our country should pay attention to for the development of such materials are expounded.