Development of Non-Quenched-Tempered Vanadium Steel 48MnV for Pre-Hardening Plastic Die

邓通武; 柯晓涛; 胡峰荣

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Development of Non-Quenched-Tempered Vanadium Steel 48MnV for Pre-Hardening Plastic Die

更新时间：2026-01-21

- Development of Non-Quenched-Tempered Vanadium Steel 48MnV for Pre-Hardening Plastic Die
- Special Steel Vol. 37, Issue 5, Pages: 55-58(2016)
- 作者机构：
  
  1. 攀钢集团研究院有限公司,攀枝花,617000
  2. 攀钢集团江油长城特殊钢有限公司技术创新部，江油,621700
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 April 2016，
  
  Online First：05 August 2022，
  
  Published：05 August 2016
- 稿件说明：
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邓通武, 柯晓涛, 胡峰荣. Development of Non-Quenched-Tempered Vanadium Steel 48MnV for Pre-Hardening Plastic Die[J]. Special Steel, 2016, 37(5): 55-58.
DOI：

邓通武, 柯晓涛, 胡峰荣. Development of Non-Quenched-Tempered Vanadium Steel 48MnV for Pre-Hardening Plastic Die[J]. Special Steel, 2016, 37(5): 55-58. DOI：

摘要

通过实验室50 kg中频感应炉冶炼试验研究了（/%）:0.36~0.45C，0.42~0.46Si，1.41~1.49Mn，0.11~0.15V非调质预硬型塑料模具钢C、V含量对该钢硬度的影响。并根据回归分析开发含钒非调质预硬型模具钢48MnV（/%:0.45~0.50C，0.30~0.60Si，1.20~1.40Mn，≤0.020P，≤0.020S，0.15~0.20V）以取代调质P20塑料模具钢（/%:0.35~0.40C，0.40~0.60Si，0.80~1.00Mn，≤0.015P，≤0.015S，1.50~1.80Cr，0.30~0.50Mo）。经110炉120t转炉-360 mm×450 mm连铸坯-≤85 mm扁钢轧制-控制冷却速度0.6~1.0℃/s的在线预硬化处理的生产结果表明，非调质48MnV扁钢HRC硬度值为29.5~33.5，满足相关技术条件要求。

Abstract

The effect of C and V content on hardness of non-quenched-tempered pre-hardening plastic die steel (/% : 0.36-0.45C

0.42-0.46Si

1.41-1.49Mn

0.11-0.15 V) has been tested and researched by a 50 kg medium frequency induction furnace in laboratory

and according to regression analysis the vanadium non-quenched-tempered prehardening plastic die steel 48MnV (/% : 0.45-0.50C

0.30-0.60Si

1.20-1.40Mn

≤0.020P

≤0.020S

0.15-0.20V) is developed to replace the quenched-tempered plastic die steel P20 (/% : 0.35-0.40C

0.40-0.60Si

0.80 -1.00Mn

≤0.015P

≤0.015S

1.50-1.80Cr

0.30-0.50Mo ). The production results of 110 heats commercial production by 120t BOF-360 mm x 450 mm casting-≤85 mm flat rolling-inline pre-hardening treated with controled cooling rate 0.6-1.0 °C/s flowsheet show that the HRC hardness value of non-quenched-tempered flat of steel 48MnV is 29.5-33.5 to meet the requirement of relative specificalion.

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