Practice of Process for Steel 38CrMoAl Produced by 100  t  EBT  Arc  Furnace-LF-CC  Flow  Sheet

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Practice of Process for Steel 38CrMoAl Produced by 100 t EBT Arc Furnace-LF-CC Flow Sheet

更新时间：2026-01-21

- Practice of Process for Steel 38CrMoAl Produced by 100 t EBT Arc Furnace-LF-CC Flow Sheet
- Special Steel Vol. 29, Issue 4, Pages: 41-42(2008)
- 作者机构：
  
  杭州钢铁集团公司技术中心,杭州,310022
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：29 January 2008，
  
  Online First：23 December 2022，
  
  Published：23 December 2008
- 稿件说明：
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余国松. Practice of Process for Steel 38CrMoAl Produced by 100 t EBT Arc Furnace-LF-CC Flow Sheet[J]. Special Steel, 2008, 29(4): 41-42.
DOI：

余国松. Practice of Process for Steel 38CrMoAl Produced by 100 t EBT Arc Furnace-LF-CC Flow Sheet[J]. Special Steel, 2008, 29(4): 41-42. DOI：

摘要

渗氮钢38CrMoAl(%:0.35～0.42C、0.20～0.45Si、0.30～0.60Mn、1.35～1.65Cr、0.15～0.25Mo、0.70～1.10Al)由100 t EBT DC EAF-100 t LF-200 mm×200 mm

150 mm×150 mm方坯连铸机流程生产。通过出钢过程加60%Al

LF加40%Al

高碱度渣吹氩精炼

精炼末期喂Φ16 mm 28Ca-55Si线

加大中间包浸入式水口内径

全程保护浇铸等工艺措施成功生产出38CrMoAl钢

可连浇5炉钢

轧材总氧含量为(5～8)×10-

各项性能均满足用户要求。

Abstract

Nitriding steel 38CrMoAl (0.35～0.42C

0.20～0.45Si

0.30～0.60Mn

1.35～1.65Cr

0. 15~0.25Mo

0.70～1. 10Al) was produced by 100tEBT DC arc furnace- 100tLF-200 mm×200 mm

150 mm×150 mm billet concasting machine flow sheet. With using the technology measures such as adding 60% Al at steel tapping

adding 40% Al in LF refining

refining by high basicity slag and argon blowing

feeding φ16 mm 28Ca-55Si wire at end phase of refining

enlarging inside diameter of immerged nozzle for tundish

and whole course shield casting practice

the steel 38CrMoAl was successfully produced with concasting 5 heats

the total oxygen content in rolled products was(5～8)x 10

-6

and each property all met the requirement of customer.

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