The Development of Mechanical Engineering of TQ960E  Microalloyed High Strength Low Carbon Steel

孟传峰; 王一德; 卫英慧; 崔天燮; 王育田

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The Development of Mechanical Engineering of TQ960E Microalloyed High Strength Low Carbon Steel

更新时间：2026-01-21

- The Development of Mechanical Engineering of TQ960E Microalloyed High Strength Low Carbon Steel
- Special Steel Vol. 39, Issue 6, Pages: 66-70(2018)
- 作者机构：
  
  1. 太原理工大学材料科学与工程学院,太原,030024
  2. 山西太钢不锈钢股份有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：12 June 2018，
  
  Online First：26 May 2022，
  
  Published：26 May 2018
- 稿件说明：
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孟传峰, 王一德, 卫英慧, et al. The Development of Mechanical Engineering of TQ960E Microalloyed High Strength Low Carbon Steel[J]. Special Steel, 2018, 39(6): 66-70.
DOI：

孟传峰, 王一德, 卫英慧, et al. The Development of Mechanical Engineering of TQ960E Microalloyed High Strength Low Carbon Steel[J]. Special Steel, 2018, 39(6): 66-70. DOI：

摘要

研究了工程机械用TQ960E微合金化低碳高强度钢的化学成分设计、钢质纯净度提升、热处理工艺试验、析出物分析等

结果表明

TQ960E钢12 mm热轧板(/%:0. 18C

0.23Si

1.50Mn

0.010P

0.003S

0.06Ti

0.002B

0.006 3N

0.001 30)最佳淬火温度860～900℃

回火温度300～350℃

工业化试制出的钢板屈服强度≥1000 MPa

抗拉强度≥1 100 MPa

延伸率≥10%

-40℃ 冲击功≥34 J

满足国内工程机械用超高强钢的标准及应用要求。

Abstract

The chemical composition design

steel purity improving

the heat treatment process and precipitates analysis of the The mechanical engineering of TQ960E microalloyed high strentth low carbon steel were studied. The results indicate that for the 12 mm hot-rolled plate of steel TQ960E (/% ：0. 18C

0. 23Si

1.50Mn

0. 010P

0. 003S

0.06Ti

0.002B

0.006 3N

0. 001 30) the optimum quenching temperature is 860 〜900 °C. and the tempering temperature is 300 〜350°C.The steel plates were developed and produced by industrialization

with the yield strength no less than 1 000 MPa

the tensile strength above 100 MPa

the elongation above 10% or higher and the Charpy impact energy at -40°C no less than 34 J. The steel can meet domestic standard and application requirements of high strength steel for engineering machinery.

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