Production Process Practice of Cold-working Die Steel （Cr12MoV） Produced by Short Process

Zhu Xida; Lu Jiasheng; Zhao Yongzhi; Liu Yu; Li Peng

doi:10.20057/j.1003-8620.2022-00236

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Production Process Practice of Cold-working Die Steel （Cr12MoV） Produced by Short Process

Product Research and Development | 更新时间：2026-01-21

- Production Process Practice of Cold-working Die Steel （Cr12MoV） Produced by Short Process
- Special Steel Vol. 44, Issue 3, Pages: 10-13(2023)
- 作者机构：
  
  1.江阴华润制钢有限公司，江阴 214404
  2.上海大学（浙江）高端装备基础件材料研究院，嘉兴 314000
- 作者简介：
- 基金信息：
- DOI：10.20057/j.1003-8620.2022-00236
  CLC：
- Received：29 January 2023，
  
  Published：01 June 2023
- 稿件说明：
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朱喜达,陆家生,赵勇智等.冷作模具钢（Cr12MoV）短流程生产工艺实践[J].特殊钢,2023,44(03):10-13.

Zhu Xida,Lu Jiasheng,Zhao Yongzhi,et al.Production Process Practice of Cold-working Die Steel （Cr12MoV） Produced by Short Process[J].Special Steel,2023,44(03):10-13.
朱喜达,陆家生,赵勇智等.冷作模具钢（Cr12MoV）短流程生产工艺实践[J].特殊钢,2023,44(03):10-13. DOI： 10.20057/j.1003-8620.2022-00236.

Zhu Xida,Lu Jiasheng,Zhao Yongzhi,et al.Production Process Practice of Cold-working Die Steel （Cr12MoV） Produced by Short Process[J].Special Steel,2023,44(03):10-13. DOI： 10.20057/j.1003-8620.2022-00236.

摘要

Cr12MoV扁钢主要采用模铸钢锭、多火次锻造、轧制成材的长流程工艺，生产效率低、成材率低、成本高、能耗高。为了解决冷作模具钢的导热性和塑性较差等问题，设计了90 t EBT-LF-VD-150 mm×630 mm连铸矩形坯和一火加热+15道次轧制成材的短流程工艺，成功开发Cr12MoV钢矩形连铸坯及轧制19 mm厚扁钢产品，连铸坯中心疏松1.5级，中心偏析≤1.0级，成品扁钢共晶碳化物不均匀级别≤3级，探伤质量等级达到A级，各项性能指标均满足标准要求。Cr12MoV冷作模具钢产品实现批量生产，取得了良好的经济效益。

Abstract

Cr12MoV flat steel mainly adopts the long process of die casting ingot， multi-fire forging and rolling， which has low production efficiency， low yield， high cost and high energy consumption. In order to solve the problems of poor thermal conductivity and ductility of cold working die steel， a short process of 90 t EBT-LF-VD-150 mm×630 mm continuous casting rectangular billet and one-fire heating +15-pass rolling was designed. The rectangular continuous casting billet and rolled 19 mm thick flat steel products of Cr12MoV steel were successfully developed， continuous casting center porosity 1.5 grade， center segregation ≤1.0， the finished flat steel eutectic carbide unevenness level ≤3， the defects inspection quality grade reaches grade A， and the performance indexes meet the standard requirements. Cr12MoV cold working die steel products have achieved mass production and achieved good economic benefits.

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references

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