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热轧方矩形管的开发

张国宽, 李晓, 田晓燕

张国宽, 李晓, 田晓燕. 热轧方矩形管的开发[J]. 钢管, 2015, 44(4): 39-43.
引用本文: 张国宽, 李晓, 田晓燕. 热轧方矩形管的开发[J]. 钢管, 2015, 44(4): 39-43.
ZHANG Guokuan, LI Xiao, TIAN Xiaoyan. Development of Hot-rolled Square and Rectangular Tubes[J]. STEEL PIPE, 2015, 44(4): 39-43.
Citation: ZHANG Guokuan, LI Xiao, TIAN Xiaoyan. Development of Hot-rolled Square and Rectangular Tubes[J]. STEEL PIPE, 2015, 44(4): 39-43.

热轧方矩形管的开发

详细信息
    作者简介:

    张国宽(1974-),男,硕士,高级工程师,主任,主要从事无缝钢管轧制工艺、新产品开发方面的工作。

  • 中图分类号: TG335.7

Development of Hot-rolled Square and Rectangular Tubes

  • 摘要: 分析了热轧方矩形管的关键技术要求,根据某Φ400 mm自动轧管机组的配备情况,进行了孔型设计、性能控制设计、产品外形控制的产品开发,并成功试制出140 mm×140 mm、150 mm×160 mm、200 mm×200 mm等规格热轧方矩形管。结果表明:合理控制圆管的壁厚、外径稳定性,定径机圆孔型与方管孔型的变形量分配、方矩形管孔型的辊面弧度设计、轧制温度等,选择合适的钢种,控制好C、Mn含量,优化冷却速度,可保证热轧方矩形管的几何尺寸及机械性能。
    Abstract: Analyzed in the article are the critical technological requirements for hot rolling of square and rectangular tubes. According to the equipment configuration of a certain plug pipe mill plant,product development is carried out,involving pass design,design of property control and control of product appearance,and eventually hot-rolled square and rectangular tubes with sizes as 140 mm×140 mm,150 mm×160 mm and 200 mm×200 mm are successfully trial produced. The result of the trial production shows that both the geometric dimensions and the mechanical properties of the hot-rolled square and rectangular tubes can be assured provided relevant proper controls are guaranteed,including consistency of wall thickness and OD of the round blank pipe,deformation amount distributions of the round pass and square pass of the sizing mill,design of the roll surface curvature of pass of the square and rectangular tubes,rolling temperature,steel type selection,and contents of C and Mn,and optimization of cooling speed,etc.
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出版历程
  • 收稿日期:  2014-03-25
  • 修回日期:  2015-05-13
  • 网络出版日期:  2023-12-13

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