Research and Development of New V-Ti-B Microalloyed Quenching and Tempering Q690E Steel Plate

陈振业; 王会岭; 赵燕青; 杨浩; 陈起

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Research and Development of New V-Ti-B Microalloyed Quenching and Tempering Q690E Steel Plate

更新时间：2026-01-21

- Research and Development of New V-Ti-B Microalloyed Quenching and Tempering Q690E Steel Plate
- Special Steel Vol. 40, Issue 1, Pages: 1-3(2019)
- 作者机构：
  
  1. 东北大学轧制技术及连轧自动化国家重点实验室,沈阳,110819
  2. 河钢集团钢研总院工艺研究所,石家庄,050023
  3. 河钢集团舞阳钢铁有限责任公司科技部,平顶山,462500
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 August 2018，
  
  Online First：23 May 2022，
  
  Published：23 May 2019
- 稿件说明：
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陈振业, 王会岭, 赵燕青, et al. Research and Development of New V-Ti-B Microalloyed Quenching and Tempering Q690E Steel Plate[J]. Special Steel, 2019, 40(1): 1-3.
DOI：

陈振业, 王会岭, 赵燕青, et al. Research and Development of New V-Ti-B Microalloyed Quenching and Tempering Q690E Steel Plate[J]. Special Steel, 2019, 40(1): 1-3. DOI：

摘要

通过低碳及"Mn-Cr-Mo-B-V-Ti"微合金化成分设计及轧制、热处理工艺选择

成功开发出工程机械用Q690E钢板(/%:0.10～0. 15 C

0. 20～0.40 Si

≤0.015 P

≤0.005 S

0.30～0.40 Cr

0.20～0. 30 Mo

0.035～0.045 V

0.01～0.02 Ti

0.001～0.002 B)。Q690E钢板880～910℃淬火+570～610℃回火的微观组织为回火索氏体

屈服强度811～891 MPa

抗拉强度852～938 MPa

-40℃冲击功在132～167 J

满足GB/T16270-2009对Q690E工程机械用钢力学性能的要求

结果满足用户严格使用要求

同时降低了生产成本。

Abstract

The Q690E steel plate for engineering machinery (/% ：0. 10 ~0. 15 C

0. 20 - 0. 40 Si

W0. 015 P

W 0.005 S

0.30 ~ 0. 40 Cr

0. 20 ~ 0. 30 Mo

0. 035 ~ 0. 045 V

0. 01 ~ 0. 02 Ti

0. 001 ~ 0. 002 B) has been developed through low carbon and a “Mn-Cr-Mo-B-V-Ti” microalloyed components design

rolling and heat treatment technology selecting. The microstructure of Q690E steel plate guenched at 880 ~910 ℃ + tempered at 570 ~610 ℃ is tempered sorbite with yield strength 811 ~ 891 MPa

tensile strength is 852 -938 MPa and - 40 ℃ impact energy 132 ~ 167J. It ean meet the requirements of GB/T16270-2009 on mechanical properties for Q690E Steel. The result is that

while meeting the increasingly stringent requirements of users

the production costs are reduced.

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