ISSN：1003-8620

CN：42-1243/TF

主管：中信泰富特钢集团股份有限公司

主办：大冶特殊钢有限公司

特殊钢 ›› 2023, Vol. 44 ›› Issue (1): 83-88.DOI: 10.20057/j.1003-8620.2022-00031

• 组织和性能 • 上一篇    下一篇

轧制工艺对高强度车轮AG650LW轮辋钢的组织和性能的影响

万国喜，刘艳红，刘  鹏，何晓波   

  1. 安阳钢铁集团有限责任公司技术中心，安阳455004
  • 收稿日期:2022-06-07 出版日期:2023-02-01 发布日期:2023-01-31
  • 作者简介:万国喜(1982-),男，高级工程师；

Effect of Rolling Process on Structure and Properties of Wheel Rim Steel AG650LW for High Strength Wheel

Wan   Guoxi,Liu   Yanhong,Liu   Peng,He   Xiaobo   

  1. Technology Center,Anyang Iron& Steel Group Co.,Ltd.,Anyang 455004
  • Received:2022-06-07 Published:2023-02-01 Online:2023-01-31

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摘要： 通过Gleeble-3800热模拟试验机对AG650LW钢进行动态CCT曲线测定和轧制工艺模拟试验，得出满足650 MPa轮辋钢性能要求的组织为由铁素体+贝氏体+少量的珠光体，其终轧温度840～880℃,卷取温度480℃,轧后层流冷却速率≥10℃/s,硬度≥220HV。试验钢卷的综合开裂率4.3‰,满足了用户的加工期望要求。

关键词: 650 MPa, AG650LW钢；车轮轮辋；热模拟；冷却速率；卷取温度；开裂率

Abstract: The dynamic CCT curve measurement and rolling process simulation test of AG650LW steel are carried out by gleeble-3800.It is obtained that the structure to satisfy 650 MPa rim steel is ferrite + bainite + a small amount of pearlite, with end rolling temperature at 840～880 ℃and coiling temperature at 480 ℃, laminar flow cooling rate after rolling≥ 10 ℃/s, and hardness value≥220HV.The comprehensive crack ratio of the test coil is 4.3%, which meets the requirement of the user.

Key words: 650 MPa, AG650LW Steel, Wheel Rim Thermal Simulation Cooling Rate, Coiling Temperature, Cracking Rate

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