Development of 29MnCr6 Steel for L80-1 Grade High Anti-Crushing Oil Casing Tube

程凯; 冯莹; 邓叙燕; 刘珂; 李英真

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Development of 29MnCr6 Steel for L80-1 Grade High Anti-Crushing Oil Casing Tube

更新时间：2026-01-21

- Development of 29MnCr6 Steel for L80-1 Grade High Anti-Crushing Oil Casing Tube
- Special Steel Vol. 40, Issue 2, Pages: 31-34(2019)
- 作者机构：
  
  1. 达力普石油专用管有限公司技术中心沧州,061000
  2. 河北省石油专用管工程技术研究中心沧州,061000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 September 2018，
  
  Online First：18 May 2022，
  
  Published：18 May 2019
- 稿件说明：
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程凯, 冯莹, 邓叙燕, et al. Development of 29MnCr6 Steel for L80-1 Grade High Anti-Crushing Oil Casing Tube[J]. Special Steel, 2019, 40(2): 31-34.
DOI：

程凯, 冯莹, 邓叙燕, et al. Development of 29MnCr6 Steel for L80-1 Grade High Anti-Crushing Oil Casing Tube[J]. Special Steel, 2019, 40(2): 31-34. DOI：

摘要

达力普石油专用管有限公司成功开发出用于生产Φ244.5 mm×10. 03 mm规格L80-1钢级抗挤毁石油套管的经济性材质-29MnCr6。与常规25CrMo材质相比

29MnCr6材质冶炼成本低

热处理能耗小

可降低生产成本。经性能检测

29MnCi6材质与常规25CrMo材质相比

轧制出的L80-1钢级石油套管拉伸性能相当

冲击韧性符合API 5CT标准要求

而且抗挤毁值相差不大

均具有高出API Bull 5C2标准抗挤毁值60%的高抗挤毁水平

因此

29MnCr6材质完全可代替25CrMo材质。

Abstract

The economy material of 29MnCr6 was developed successfully by dalipia pipe company

which to product collapse resistance oil casing tube of Φ244. 5 mm x 10. 03 mm specification L80-1 grade. Compare with the conventional 25CrMo material

29MnCi6 material has the characteristics of low smelting cost and low heat treatment energy consumption

which can reduce production cost. By actual performance testing

compared with the conventional 25CrMo material

the L80- 1 steel grade oil casing that 29MnCr6 material producted has same tensile properties basically

the impact toughness meets APT 5 CT standard requirement

and the collapse resistance values are similar

bose have high level of collapsehigher that higher API Bull 5C2 collapse resistance standard value 60%

but meets the requirements of API 5 CT standard fully. So 29MnCr6 material can instead of 25CrMo material completely.

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