经济型高氮奥氏体不锈钢研究进展  

Research Progress of Economical High Nitrogen Austenitic Stainless Steel

作　　者：李超毅 李霄[1] 牛辉 牛爱军[2,3] LI Chaoyi;LI Xiao;NIU Hui;NIU Aijun(Xi'an Shiyou University,School of Materials Science and Engineering,Xi'an 710065,China;Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods Co.,Ltd.,Xi'an 710018,China;CNPC Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China)

机构地区：[1]西安石油大学材料科学与工程学院,西安710065 [2]中油国家石油天然气管材工程技术研究中心有限公司,西安710018 [3]中国石油宝鸡石油钢管有限责任公司,陕西宝鸡721008

出　　处：《焊管》2024年第3期1-7,共7页Welded Pipe and Tube

基　　金：中国石油天然气集团有限公司基础性前瞻性科技项目“安全高效大规模储氢关键技术研究”(项目编号2023ZZ1205)。

摘　　要：介绍了一种具有高强度、高耐蚀与高经济性等特点的新型资源节约型高氮奥氏体不锈钢,阐述了高氮奥氏体系列不锈钢在组织、力学性能、耐蚀性及可焊接性等方面的性能优势、机理和研究进展。结果表明,高氮奥氏体系列不锈钢具有较高的强度、优良的耐局部腐蚀性能和良好的焊接性,同时以低成本的锰、氮代替昂贵的镍、钼可以大大降低生产成本,具有广泛的市场应用前景。建议根据具体应用场景及时优化焊接工艺和焊接填充材料,以确保高氮奥氏体不锈钢的长期可靠性和安全性。A new type of resource saving high nitrogen austenitic stainless steel with high strength,high corrosion resistance,and high economy is introduced.The performance advantages,mechanisms,and research progress of high nitrogen austenitic stainless steel series in terms of strength,corrosion resistance,and weldability is elaborated.Research has shown that the high nitrogen austenitic stainless steel series has high strength,excellent local corrosion resistance,and good weldability.At the same time,replacing expensive nickel and molybdenum with low-cost manganese and nitrogen can greatly reduce production costs,and has broad market application prospects.It is recommended to optimize welding processes and welding filler materials in a timely manner according to specific application scenarios in the future to ensure the long term reliability and safety of high nitrogen austenitic stainless steel.

关 键 词：高氮奥氏体不锈钢 力学性能 经济性 耐蚀性 可焊性 

分 类 号：TG142.71[一般工业技术—材料科学与工程]