Practice of Boron Microalloying Process of SPHC Steel for Cold Rolling

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- Practice of Boron Microalloying Process of SPHC Steel for Cold Rolling
- Special Steel Vol. 27, Issue 5, Pages: 53-54(2006)
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- Received：31 March 2006，
  
  Online First：21 April 2023，
  
  Published：21 April 2006
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徐志荣, 颜慧成, 仇圣桃, et al. Practice of Boron Microalloying Process of SPHC Steel for Cold Rolling[J]. Special Steel, 2006, 27(5): 53-54.
DOI：

徐志荣, 颜慧成, 仇圣桃, et al. Practice of Boron Microalloying Process of SPHC Steel for Cold Rolling[J]. Special Steel, 2006, 27(5): 53-54. DOI：

开发了唐钢160 t LD- 160 t LF-FTSR(Flexible Thin Slab Rolling) 流程生产冷轧用SPHC 钢(≤ 0.07%C

≤0.05%Si) 硼微合金化工艺，通过在精炼过程控制钢中Al含量(平均0.038%)和 Si含量(平均 0.038%)

使LF 精炼后钢中的硼含量为0.0030%～0.0040%(平均含量0.0035%)

硼的收得率达64%。

The boron microalloying process of SPHC steel(≤0.07%C

≤0.05%Si)for cold rolling pro- duced by 160 LD- 160 t LF-FTSR(Flexible Thin Slab Rolling)flow sheet has been developed at Tangshan Steel

and with controlling Al content in steel(average 0.038%)and Si content(average 0.038%)during LF refining

the boron content in steel after LF refining was 0.0030%～0.0040%(average content 0.0035%)

and the boron yield was up to 64%.

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