油气行业用典型耐蚀合金管材性能与选用研究  

Properties and Selection of Typical Corrosion Resistant Alloy OCTG

作　　者：王伯文 WANG Bowen(Shanxi Taigang Stainless Steel Tubes&Pipes Co.Ltd,Taiyuan,Shanxi 030008,China)

机构地区：[1]山西太钢不锈钢钢管有限公司,山西太原030008

出　　处：《石油管材与仪器》2024年第4期31-35,I0002,共6页Petroleum Tubular Goods & Instruments

摘　　要：为提高油气行业用耐蚀合金管材选用合理性,介绍了超级双相不锈钢、20Cr-32Ni铁镍基合金、Ni-Fe-Cr-Mo-Cu系铁镍基合金3种典型耐蚀合金材料的成分组织和力学性能,并重点对耐应力腐蚀、均匀腐蚀、点蚀性能等进行了分析。结果表明,3种材料分别具有强度高、耐Cl-应力腐蚀性能好、耐高温腐蚀性能好、耐H 2 S应力腐蚀性能好等不同性能表现,适用于多种工况,适应油气行业高质量绿色低碳发展要求。分别给出了3种材料的选用建议,可为腐蚀环境下管柱设计提供依据。In order to improve the rationality of selecting corrosion resistant alloy OCTG,three types of typical resistant alloy including super duplex stainless steel,20Cr-32Ni iron-nickel base alloy and Ni-Fe-Cr-Mo-Cu iron-nickel base alloy were introduced from aspects of composition and mechanical properties.The performance of stress corrosion resistance,uniform corrosion resistance,and pitting corrosion were analyzed especially.The results show that the three types of materials have good performance such as high strength,Cl-stress corrosion resistance,high temperature corrosion resistance,and H_(2)S stress corrosion resistance.They are suitable for various working conditions and meet the requirements of high-quality,green,and low-carbon development in the oil and gas industry.Furthermore,selection suggestions were given for the three types of alloy,which can provide reference for the design of pipe strings in corrosive environments.

关 键 词：油气行业 耐蚀合金 石油专用管 选材 

分 类 号：TE931[石油与天然气工程—石油机械设备]