耐稀硫酸新型超低碳低镍双相铸造不锈钢的研制  

DEVELOPMENT OF NEW TYPE SUPER LOW CARBON LOW NICKEL DIPHASE STAINLESS STEEL RESISTED DILUTION SULPHURIC ACID

作　　者：秦紫瑞[1] 郭宁[1] 郭珊 

机构地区：[1]大连理工大学,116013 [2]大连耐酸泵厂,116022

出　　处：《石油化工设备技术》2000年第2期47-50,48,共5页Petrochemical Equipment Technology

摘　　要：针对温度为 6 0℃的稀硫酸介质 ,研制了新型超低碳低镍双相铸造不锈钢 ,着重研究了该钢不同热处理状态下的金相组织及其腐蚀行为。结果表明 ,经 10 5 0℃固溶处理后该钢具有优良的耐均匀腐蚀、晶间腐蚀与抗点蚀能力 ,并具有良好的铸造性能和较低的成本 。In accordance with dilution suphuric acid medium at 60℃,new type super low carbon low nickel diphase stainless steel is developed.The metallographic structure and its corrosion behavior of that steel under different heat treatment condition are researched emphatically.The results denot that,this steel is possessed capacities of resisting general corrosion,intergranular corrosion and pitting corrosion.This steel is possessed of good casting performance and low cost,and a broad prospects of application.

关 键 词：双相钢 不锈钢 硫酸介质 腐蚀试验 

分 类 号：TG142[一般工业技术—材料科学与工程]