Effect of Roll Pass Design for Stretch Reducing Mill with Faint Tension on Hexagonal Bore of Heavy Walled Tube of 0.45C Steel

李秀莲; 苟复钢

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Effect of Roll Pass Design for Stretch Reducing Mill with Faint Tension on Hexagonal Bore of Heavy Walled Tube of 0.45C Steel

更新时间：2026-01-21

- Effect of Roll Pass Design for Stretch Reducing Mill with Faint Tension on Hexagonal Bore of Heavy Walled Tube of 0.45C Steel
- Special Steel Vol. 30, Issue 6, Pages: 20-22(2009)
- 作者机构：
  
  1. 青海大学建筑工程系,西宁,810016
  2. 西宁特殊钢集团有限责任公司,西宁,810005
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：03 June 2009，
  
  Online First：15 November 2022，
  
  Published：15 November 2009
- 稿件说明：
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李秀莲, 苟复钢. Effect of Roll Pass Design for Stretch Reducing Mill with Faint Tension on Hexagonal Bore of Heavy Walled Tube of 0.45C Steel[J]. Special Steel, 2009, 30(6): 20-22.
DOI：

李秀莲, 苟复钢. Effect of Roll Pass Design for Stretch Reducing Mill with Faint Tension on Hexagonal Bore of Heavy Walled Tube of 0.45C Steel[J]. Special Steel, 2009, 30(6): 20-22. DOI：

摘要

通过将6机架定径前45钢管外径和总减径率分别由132 mm和12.95%降至128 mm和9.87%

并降低单机架减径率和改善微张力减径孔型设计参数

使3辊式机组生产的Φ114 mm×22 mm 45钢管"内六方"缺陷指数P值由1.40%～1.52%降至0.45%～0.67%

明显减少微张力减径钢管的"内六方"缺陷。

Abstract

With decreasing the outside diameter of 0. 45C steel tube before 6 stands reducing and the total reducing rate respectively from 132 mm and 12. 95% to 128 mm and 9. 87%

decreasing single stand reducing rate and improving roll pass design parameters for faint tension reducing

the hexagonal bore index P value of Φ114 mm x 22 mm 0. 45C steel tube produced by three roll mill decreases to 0. 45% - 0. 67% from original 1.40% 〜1.52%

therefore the deformity of hexagonal bore of faint tension-stretched reducing steel tube is obviously decreasing.

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