Industrial Practice of Modification of Sulfide in 46MnVS Non-Quenched and Tempered Steel by Tellurium

Zhong Liangmei; Tian Qianren; Li Zhiwei; Hu Fangzhong; Jin Guozhong; Fu Jianxun

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Industrial Practice of Modification of Sulfide in 46MnVS Non-Quenched and Tempered Steel by Tellurium

更新时间：2025-10-28

- Industrial Practice of Modification of Sulfide in 46MnVS Non-Quenched and Tempered Steel by Tellurium
- Special Steel Vol. 43, Issue 1, Pages: 29-33(2022)
- 作者机构：
  
  1. 上海大学材料科学与工程学院先进凝固技术中心，省部共建高品质特殊钢冶金与制备国家重点实验室,上海,200444
  2. 马鞍山钢铁股份有限公司,马鞍山,243000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：29 April 2021，
  
  Online First：10 January 2023，
  
  Published：10 January 2022
- 稿件说明：
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Zhong Liangmei, Tian Qianren, Li Zhiwei, et al. Industrial Practice of Modification of Sulfide in 46MnVS Non-Quenched and Tempered Steel by Tellurium[J]. Special Steel, 2022, 43(1): 29-33.
DOI：

Zhong Liangmei, Tian Qianren, Li Zhiwei, et al. Industrial Practice of Modification of Sulfide in 46MnVS Non-Quenched and Tempered Steel by Tellurium[J]. Special Steel, 2022, 43(1): 29-33. DOI：

摘要

在Φ480 mm铸坯轧至Φ38 mm材的46MnVS钢中含0.005 9%Te(Te/S=0.098)钢MnS夹杂物平均等效直径和平均面积分别较未加Te(0Te)钢增大27%和72%

长宽比为1～3的球状或椭球状夹杂物数量增加了21%

硫化物评级由细系3.0级改质为细系2.0级; Te会固溶于MnS中形成(Mn

Te) S

使钢中硫化物粗化并球化

使轧材中椭球状和纺锤状硫化物增加; Te改质后MnS夹杂物HV10显微硬度值由142.2增至152.1

提高了MnS抵抗轧制变形的能力。

Abstract

As compared with no-adding Te( 0Te ) steel

in contening 0.005 9% Te(Te/S = 0.098 )Φ38 mm bar of 46MnVS steel rolled from 0480 mm cast bloom the average equivalent diameter and average area of MnS inclusions are increased by 27% and 72%

respectively ， the number of spherical or ellipsoidal inclusions with length-width ratio of 1～3 is increased by 21%

and the fine sulfide rating decreases from 3.0 to 2.0. Te will be dissolved in MnS to form ( Mn

Te )S

which coarsens and spheroidizes sulfides in steel

to increase ellipsoidal and spindle sulfides in rolled products. The HV10 microhardness value of MnS inclusions increased from 142. 2 to 152.1 by Te modification

to improve the ability of MnS to resist rolling deformation.

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