Effect of Multi-Stand Pipe Mill Rolling and Sizing Process on Structure and Property of N80 Non-Quenching and Tempering Steel 36-40Mn2V for Oil Well Pipe

方剑; 李阳华; 邹喜洋; 谢凯意; 周勇; 周梦雄; 袁泽喜

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Effect of Multi-Stand Pipe Mill Rolling and Sizing Process on Structure and Property of N80 Non-Quenching and Tempering Steel 36-40Mn2V for Oil Well Pipe

更新时间：2026-01-21

- Effect of Multi-Stand Pipe Mill Rolling and Sizing Process on Structure and Property of N80 Non-Quenching and Tempering Steel 36-40Mn2V for Oil Well Pipe
- Special Steel Vol. 33, Issue 3, Pages: 53-56(2012)
- 作者机构：
  
  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
  2. 衡阳华菱钢管(集团)有限公司,衡阳,421001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 November 2011，
  
  Online First：14 October 2022，
  
  Published：14 October 2012
- 稿件说明：
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方剑, 李阳华, 邹喜洋, et al. Effect of Multi-Stand Pipe Mill Rolling and Sizing Process on Structure and Property of N80 Non-Quenching and Tempering Steel 36-40Mn2V for Oil Well Pipe[J]. Special Steel, 2012, 33(3): 53-56.
DOI：

方剑, 李阳华, 邹喜洋, et al. Effect of Multi-Stand Pipe Mill Rolling and Sizing Process on Structure and Property of N80 Non-Quenching and Tempering Steel 36-40Mn2V for Oil Well Pipe[J]. Special Steel, 2012, 33(3): 53-56. DOI：

摘要

通过Gleeble-1500热模拟机

模拟340机组36Mn2V和40Mn2V钢950～1 100℃

变形量0.5～0 8.变形速度1.0 s

-1

水冷和3℃/s冷却的连轧工艺与800～950℃

变形量0.10～0.30

变形速度0.5 s

-1

空冷的定径工艺对组织和硬度的影响。结果表明

36Mn2V和40Mn2V钢连轧变形温度和变形量分别大于1 050℃和0.5时可发生完全动态再结晶

细化晶粒和提高产品综合性能;36Mn2V钢管定径变形量0.3时

40Mn2V钢定径变形量为0.2时

应控制定径温度大于835℃

才能满足力学性能要求。

Abstract

The effect of 340 multi-stand pipe mill (MPM) continuous rolling process (at 950 ~ 1 100 °C with strain 0. 5 ~ 0. 8

strain rate 1. 0 s _ 1

water or 3 °C/s cooling) and sizing process ( at 800 ~ 950 °C

with strain 0. 1 ~ 0. 3

strain rate 0. 5 s

-1

air cooiing) on structure

and hardness of steel 36Mn2V and 40Mn2V has been simulated by using Gleeble-1500 thermal simulation machine. Results show that with MPM deformation temperature being higher than 1 050 °C at strain 0. 5

the complete dynamic recrystallization of steel 36Mn2V and 40Mn2V occurs

the grains are fine and the comprehensive properties are improved； As sizing strain of steel 36Mn2V is 0. 3 and sizing strain of steel 40Mn2V is 0. 2

as the sizing temperature is controlled higher than 835 °C

the mechanical properties can mee

t requirement of standard.

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