Pilot Production of Hot Rolling in Ferrite Region for Cold Rolled Extra-low Carbon Steel Strip for Deep Drawing

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- Pilot Production of Hot Rolling in Ferrite Region for Cold Rolled Extra-low Carbon Steel Strip for Deep Drawing
- Special Steel Vol. 30, Issue 3, Pages: 30-33(2009)
- 作者机构：
  
  1. 沈阳大学理工学院,沈阳,110044
  2. 沈阳航空工业学院材料科学与工程学院,沈阳,110034
  3. 东北大学轧制技术及连轧自动化国家重点实验室，沈阳4,H000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：20 November 2008，
  
  Online First：24 November 2022，
  
  Published：24 November 2009
- 稿件说明：
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肖鸿飞, 李壮, 吴迪, et al. Pilot Production of Hot Rolling in Ferrite Region for Cold Rolled Extra-low Carbon Steel Strip for Deep Drawing[J]. Special Steel, 2009, 30(3): 30-33.
DOI：

肖鸿飞, 李壮, 吴迪, et al. Pilot Production of Hot Rolling in Ferrite Region for Cold Rolled Extra-low Carbon Steel Strip for Deep Drawing[J]. Special Steel, 2009, 30(3): 30-33. DOI：

研究和对比了经1 880 mm热轧机组在奥氏体区(945～848℃)和铁素体区(803～755℃)热精轧

卷取温度700℃以及73%压下率冷轧的3.0 mm超低碳带钢(%:0.008C、0.029Als、0.000 8B、0.001 4N)退火后的组织和性能。结果表明

与奥氏体区轧制比较

热轧采用铁素体区轧制的710℃退火后冷轧带钢具有较高的伸长率、塑性应变比(r值)和应变硬化指数(n)

因而具有较好的深冲性能。

Structure and properties of 3. 0 inm extra-low carbon steel strip ( % : 0. 008C

0. 029Als

0. 000 8 B

0. 001 4N) hot finish-rolled by 1 880 mm hot rolling mill train in austenite region (945 ~ 848 °C ) and in ferrite region (803 - 755 °C )

coiled at 700 °C

then cold rolled with 73% reduction and annealed have been studied and compared. Results showed that as compared with austenite region rolling

with ferrite region rolling the cold rolled steel strip annealed at 710 °C had higher elongation

plastic Strain ratio (r) and strain-hardening exponent (n)

therefore it had better deep drawability.

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