Development and Preproduction of 15B36Cr Steel for Track Link

梁佰战; 郑力宁; 肖波

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Development and Preproduction of 15B36Cr Steel for Track Link

更新时间：2026-01-21

- Development and Preproduction of 15B36Cr Steel for Track Link
- Special Steel Vol. 40, Issue 2, Pages: 28-30(2019)
- 作者机构：
  
  江苏沙钢集团淮钢特钢股份有限公司技术中心,淮安,223002
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 September 2018，
  
  Online First：18 May 2022，
  
  Published：18 May 2019
- 稿件说明：
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梁佰战, 郑力宁, 肖波. Development and Preproduction of 15B36Cr Steel for Track Link[J]. Special Steel, 2019, 40(2): 28-30.
DOI：

梁佰战, 郑力宁, 肖波. Development and Preproduction of 15B36Cr Steel for Track Link[J]. Special Steel, 2019, 40(2): 28-30. DOI：

摘要

淮钢采用90 t顶底复吹转炉-LF-RH-200 mm×200 mm连铸-连轧工艺流程试生产了2炉Φ60 mm链轨节用钢15B36Cr(/%:0.30～0.37C、0.15～0.30Si、1.20～1.50Mn、≤0.040P、≤0.0505、0.20～0.40Cr、≤0.25Ni、≤0.35Cu、≤0.06Mo、0.0005～0. 0030B)。通过加严影响淬透性化学成分

控制出钢碳≥0.08%

转炉有效挡渣和下渣检测系统控制下渣

LF炉铝粒和电石渣面脱氧

RH最低真空度处理20～30 min

结晶器电磁搅拌、末端电磁搅拌和连铸低过热度保护浇铸等工艺措施

15B36Cr钢的化学成分稳定控制在内控范围内

除了B粗以外

其他类型非金属夹杂物级别全部控制在1.0以内

淬透性控制在较窄的范围内

试制钢种关键技术指标达到客户和预期设计要求。

Abstract

The Φ60 mm 15B36Cr steel two furnace for Track Link (/% : 0.30 ~0.37C、0.15 〜0.30Si、1.20 ~ 1.50Mn、≤ 0. 040P、 ≤ 0.050S、0.20 ~ 0.40Cr、≤ 0. 25Ni、≤ 0.35Cu、≤ 0.06Mo、0.0005 - 0.0030B) was produced by 90 t LD with top-bottom blowing-LF-RH- 200 mm x200 mm billet concasting-continuous rolling process at Huaigang Special Steel. With more narrow chemical constituents influencing hardenability

controlling LD end [C] ≥ 0.08% and roughing slags amount using effectively slag stopping technology and detecting system of roughing slags

diffusion deoxidation of LF using aluminum particle and carbide

treating for 20 ~ 30 min in the minimum vacuum degree of RH

shielding casting with mold electromagnetic stirring and final electromagnetic stirring and by low superheat pouring

the examination results show that the chemical constituents of steel 15B36Cr is stable

except B heavy inclusion

the rating of other inclusion in steel is no more than 1.0

the hardenability band is more narrow

and the key technical indexs of test steel satisfy the requirements of customer and expectation.

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