EFFECTS OF CARBON CONTENT IN STEEL AND VISCOSITY OF CASTING POWDER ON LONGITUDINAL SURFACE CRACKS FORMATION ON CONTINUOUS CAST SLABS

Li Zhongchao; Du Dexin; Gu Wuan; Wang Yicheng; Li Maolin; Wang Zhongyuan; Liu Nanping; Zhang Junxiang

Volume 18 Issue 3

Sep. 1997

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 1997 > 18(3): 20-23

Qiu Qingzhong, Xiao Feng, Zhang Zhongqiu, Song Jingyan. Heat Treatment and Deep Cryogenic Treatment of Hot Die Steel[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(1): 91-94.

Citation:

Li Zhongchao, Du Dexin, Gu Wuan, Wang Yicheng, Li Maolin, Wang Zhongyuan, Liu Nanping, Zhang Junxiang. EFFECTS OF CARBON CONTENT IN STEEL AND VISCOSITY OF CASTING POWDER ON LONGITUDINAL SURFACE CRACKS FORMATION ON CONTINUOUS CAST SLABS[J]. IRON STEEL VANADIUM TITANIUM, 1997, 18(3): 20-23.

Qiu Qingzhong, Xiao Feng, Zhang Zhongqiu, Song Jingyan. Heat Treatment and Deep Cryogenic Treatment of Hot Die Steel[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(1): 91-94.

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EFFECTS OF CARBON CONTENT IN STEEL AND VISCOSITY OF CASTING POWDER ON LONGITUDINAL SURFACE CRACKS FORMATION ON CONTINUOUS CAST SLABS

1. Panzhihua Iron & Steel Research Institute;
2. V-Recovery & Steelmaking Plant of Pangang

Received Date: 1996-08-28
Available Online: 2023-12-07
Publish Date: 1997-09-30

Abstract

Abstract

The factors that cause longitudinal surface cracks formation on the Pangang's continuous cast 09SiVL steel slabs are analysed. The results show that carbon content in molten steel is the decisive factor of longitudinal surface cracks formation on the slabs and that effect of viscosity of casting powder on Iongitudinal surface cracks formation on the slabs is obvious. ln order to remove the longitudinal surface cracks. the carbon content in molten steel must be controlled in the range of 0.08%~0.10%. When the carbon content in molten steelis in the range of 0.11%~0.13%, the casting powder of medium viscosity is used so as to decrease the longitudinal surface cracks of continuous cast slab.
- continuous cast slab,
- molten steel,
- carbon content,
- longitudinal surface crack,
- casting powder

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