石油钻具用连铸圆坯轧制45MnCrMo钢调质开裂原因分析
Reason Analysis of Quenched and Tempered Crack of Rolling Continuous Cast Round Billet 45MnCrMo Steel Used for Petroleum Drilling Tool
佟晶,金宏伟
东北特钢集团北满特殊钢有限责任公司
- 摘 要
- 对石油钻具用连铸圆坯轧制的45MnCrMo钢调质前后经探伤定位取样,通过金相高、低倍、化学成份检验,分析开裂原因。
- 关键词
- 偏析;应力;裂纹
- 分类号
- TG335.6
- 栏 目
- 试验研究
- 出 处
- 《冶金与材料》2014年第1期,第 20-21+25 页(共 3 页)
- 出版日期
- 2014-02-15
- 知网数据
- 下载 74 次(截至 2026-09-29)
- Abstract
- The samples is taken by determining the location through the flaw testing Before and after quenching and tempering for continuous casting rolling round billet 45MnCrMo steel used for petroleum drilling tools. The crack reason is analyzed by metallographic micro,macro,and chemical composition test.
- Keywords
- Segregation; Stress; Crack
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