Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil

赵莉萍; 麻永林; 王玉峰; 刘宗昌

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Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil

更新时间：2026-01-21

- Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil
- Special Steel Vol. 28, Issue 4, Pages: 48-49(2007)
- 作者机构：
  
  1. 内蒙古科技大学材料与冶金学院,包头,014010
  2. 东北大学轧制技术与连轧自动化国家重点实验室,沈阳,110004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 February 2007，
  
  Online First：06 January 2023，
  
  Published：06 January 2007
- 稿件说明：
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赵莉萍, 麻永林, 王玉峰, et al. Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil[J]. Special Steel, 2007, 28(4): 48-49.
DOI：

赵莉萍, 麻永林, 王玉峰, et al. Effect of Casting Slab Defect on Cold Draw Quality of SWRH82B Steel Wire Coil[J]. Special Steel, 2007, 28(4): 48-49. DOI：

摘要

通过扫描电镜对280 mm×380 mm连铸坯生产的SWRH82B钢盘条(%:0.80～0.84C、0.75～0.85Mn、0.18～0.22Cr、0.015～0.035Al)冷拔断裂的断口显微组织和成分进行观察和能谱分析

得出碳的富集、氧化物、硫化物夹杂和显微空洞是冷拔盘条断裂源。采用二冷区末端电磁搅拌等技术控制连铸坯夹杂物、成分偏析和组织

可保证SWRH82B钢盘条冷拔质量。

Abstract

The microstructure and composition of fracture during cold drawing failure of wire coil of SWRH82B stell (0.80~0.84C

0.75~0.85Mn

0.18～0.22Cr

0.015～0.035Al) produced by 280 mm×380 mm casting slab have been observed and analyzed by scanning electron microscope and energy spectrometer. It is obtained that carbon rich con- centration

oxide-sulphide inclusion and microvoid are failure crack initiation of wire coil during cold drawing. The cold drawing quality of SWRH82B steel wire coil shall be insured by using electromagnetic stirring technology at end of secondary cooling zone to control inclusion

composition segregation and structure of casting slab.

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