| 40Cr钢套管料生产工艺改进 |
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| 引用本文： | 伍志诚. 40Cr钢套管料生产工艺改进[J]. 钢管, 1991, 0(3): 21-23 |
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| 作者姓名： | 伍志诚 |
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| 作者单位： | 贵阳钢厂 |
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| 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。
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| 关 键 词： | 钢钎具套管料 穿孔-减径法 工艺改进 |
IMPROVEMENT OF THE PRODUCTION PROCESS OF 40Cr STEEL PIPE FOR DRILL ROD CASING |
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| Wu Zhicheng. IMPROVEMENT OF THE PRODUCTION PROCESS OF 40Cr STEEL PIPE FOR DRILL ROD CASING[J]. Steel Pipe, 1991, 0(3): 21-23 |
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| Authors: | Wu Zhicheng |
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| Affiliation: | Guiyang Steel Works |
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| Abstract: | 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. |
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| Keywords: | steel pipe for drill rod casing piercing-reducing process process improvement |
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