45Mn_2钻杆接头热处理工艺研究

Study on the Heat Treatment Process of 45Mn_2 Steel Drill Pipe Joints

摘要:

探讨了４５Ｍｎ２钻杆接头的各种热处理工艺和综合机械性能，应用断裂力学优选最佳热处理工艺，并已投入生产。

Abstract:

This paper deals with the heat treatment process and mechanical properties of 45Mn2 steel drill pipe joints. The optimal technological processes of heat treatment determined by the fracture mechanics have been put into production and have obtained very good economic benefit.