40Cr钢套管料生产工艺改进  

IMPROVEMENT OF THE PRODUCTION PROCESS OF 40Cr STEEL PIPE FOR DRILL ROD CASING

作　　者：伍志诚 

机构地区：[1]贵阳钢厂

出　　处：《钢管》1991年第3期21-23,共3页Steel Pipe

摘　　要：穿孔-减径法生产40Cr钢钎具套管料生产工艺与原穿孔直接生产套管料工艺相比。穿孔-减径法生产成本低,产品质量好,成材率高。The piercing-reducing process of 40Cr steer pipes for drill rod casing has such advantages as lower cost, higher quality and higher yield as compared with the original process having Piercing without reducing.

关 键 词：钢钎具套管科 穿孔-减径法 工艺 

分 类 号：TG335.7[金属学及工艺—金属压力加工]