Process Practice for Production of Caterpillar Track Steel 35MnBM by 90    t    EAF-LF(VD)-CC-CR    Flow    Sheet

朱志欣李艾王秀兰

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Process Practice for Production of Caterpillar Track Steel 35MnBM by 90 t EAF-LF(VD)-CC-CR Flow Sheet

更新时间：2026-01-21

- Process Practice for Production of Caterpillar Track Steel 35MnBM by 90 t EAF-LF(VD)-CC-CR Flow Sheet
- Special Steel Vol. 29, Issue 2, Pages: 58-59(2008)
- 作者机构：
  
  东北特钢集团北满特殊钢有限责任公司,齐齐哈尔,161041
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：20 January 2023，
  
  Published：20 January 2008
- 稿件说明：
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朱志欣李艾王秀兰. Process Practice for Production of Caterpillar Track Steel 35MnBM by 90 t EAF-LF(VD)-CC-CR Flow Sheet[J]. Special Steel, 2008, 29(2): 58-59.
DOI：

朱志欣李艾王秀兰. Process Practice for Production of Caterpillar Track Steel 35MnBM by 90 t EAF-LF(VD)-CC-CR Flow Sheet[J]. Special Steel, 2008, 29(2): 58-59. DOI：

摘要

北满特钢通过90 t电弧炉-LF(VD)精炼-240 mm×240 mm方坯连铸-连轧工艺生产④65、φ70 mm链轨节钢35MnBM(%:0.35C、1.25Mn

0.0018B、0.029Al

0.09V)。通过VD处理和全程无氧化保护浇铸，使[N]≤ 78×10-6

钢中非金属夹杂物为0~2级，无发纹，晶粒度、组织和淬透性均满足标准要求。

Abstract

The φ65

φ70 mm products of caterpillar track steel 35MnBM(0.35C

1.25Mn

0.0018B

0.029Al

0.09V)was produced by 90 t electric arc fumace-LF(VD)refining -240 mm×240 mm billet concasting - continuous rolling process at Beiman Special Steel. With VD treatment and whole period shield casting practice the[N] was ≤78× 10-6

the rating of non- metallic inclusions in steel was 0~2

no hair crack was detected and the grain size

structure and hardenability of steel all met the requirement of standard

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