Study on Smelting High-Al Cold Heading Steel SWRCH6A Using Single-Slag Process

Abstract:

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Based on the actual process for smelting cold heading steel, this article adopts the single-slag process to smelt the low-carbon, low-silicon and high-alumina cold heading steel SWRCH6A, so as to study the effect of technological factors of the smelting process on the change of molten steel component in various working procedures and steel properties. The results show that, the smelting process control level for smelting high-Al cold heading steel using single-slag process is improved, the content change for main elements in the steel, w[Al]t and calcium treatment effect are stable, w[C] and w[Si] have a close relationship with w[P] and w[S]. The calcium yield after calcium treatment by single-slag process has a linear relation with w[Ca], and ηCa=2323.4*w[Ca] -1.040. The maximum calcium yield may reach 21%. All the mechanical properties of cold heading steel exceed the ML08Al standard. The smelting cold heading steel using single-slag process can fully reach the property requirements for cold heading steel grade.

Info:

Periodical:

Advanced Materials Research (Volumes 284-286)

Main Theme:

Edited by:

Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu

Pages:

1291-1296

DOI:

10.4028/www.scientific.net/AMR.284-286.1291

Citation:

H. C. Wang et al., "Study on Smelting High-Al Cold Heading Steel SWRCH6A Using Single-Slag Process", Advanced Materials Research, Vols. 284-286, pp. 1291-1296, 2011

Online since:

July 2011

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Price:

$35.00

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