含稀土非开挖钻杆用管的热处理试验研究  

Study on Heat Treatment Test of Steel Tube for Trenchless Drill Pipe Containing Rare Earth

作　　者：孙文秀 康利明[2] 姜海龙 米永峰 姚晓乐 Sun Wenxiu;Kang Liming;Jiang Hailong;Mi Yongfeng;Yao Xiaole(Inner Mongolia Baotou Steel Pipe Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China;Technical Center of Inner Mongolia Baotou Steel Union Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China)

机构地区：[1]内蒙古包钢钢管有限公司,内蒙古包头014010 [2]内蒙古包钢钢联股份有限公司技术中心,内蒙古包头014010

出　　处：《包钢科技》2025年第2期33-35,52,共4页Science & Technology of Baotou Steel

摘　　要：文章结合非开挖钻杆的使用工况要求以及主要失效形式,开展了对非开挖钻杆用管的淬透性和热处理试验研究。试验结果表明:该含稀土非开挖钻杆用无缝钢管获得最小50%马氏体的淬透层深度为11 mm,获得最小95%马氏体的淬透层深度为7 mm,具有良好的淬透性;经过调整回火温度的热处理试验后,得出了最佳推荐热处理制度。The studies on hardenability and heat treatment test of steel tube for trenchless drill pipe are carried out combining with its service condition requirements and main failure modes in the paper.The experimental results showed that the depth of hardening layer for obtaining minimum 50%martensite was 11 mm and that for obtaining minimum 95%martensite was 7 mm for the seamless steel tube for trenchless drill pipe containing rare earth,which was with good hardenability;the optimal recommended heat treating regime was obtained after the heat treatment test with adjusting tempering temperature.

关 键 词：非开挖钻杆 淬透性 热处理试验 

分 类 号：TG156[金属学及工艺—热处理]