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Numerical Simulation of Influence of Casting Speed Variation on Surface Fluctuation of the Molten Steel in Mold

ZHANG Qiao-ying , WANG Xin-hua

钢铁研究学报(英文版)

The influences of casting speed variation on surface fluctuation of the molten steel of mold during continuous casting were investigated with numerical simulation method. It was found that, when the casting speed was evenly decreased from 1.4m/min to 0.6m/min, increases of the surface fluctuation of...

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Effect of Calcium Treatment on Non-Metallic Inclusions in Ultra-Low Oxygen Steel Refined by High Basicity High Al2O3 Slag

YANG Jun , WANG Xin-hua , JIANG Min , WANG Wan-jun

钢铁研究学报(英文版)

The influence of calcium treatment on non-metallic inclusions had been studied when control technology of refining top slag in ladle furnace was used in ultra-low oxygen steelmaking. A sufficient amount aluminium was added to experimental heats for final deoxidizing during BOF tapping, and the refin...

关键词: ultra-low oxygen , top slag , deoxidization , aluminium , oxide inclusion , calcium treatment

Mathematical Model of RH Blow Argon Mode Affecting:Decarburization Rate in Ultra-Low Carbon Steel Refining

LI Chong-wei , CHENG Guo-guang , WANG Xin-hua , ZHU Guo-sen , CUI Ai-min

钢铁研究学报(英文版)

A mathematical model in present study has been established to investigate the effect of Rheinstahl Heraeus (RH) blow argon mode on the decarburization rate in ultra-low carbon steel refining based on the RH equipment of Shougang Qian′an Iron and Steel Co Ltd (SQISCO). The calculated results show tha...

关键词: RH , vacuum , mathematical model , argon flowrate , decarburization

Investigation on Non-Metallic Inclusions in LCAK Steel Produced by BOF-LF-FTSC Production Route

YANG Wen , CAO Jing , WANG Xin-hua , XU Zhi-rong , YANG Jie

钢铁研究学报(英文版)

The behavior of non-metallic inclusions in LCAK (low carbon aluminum killed) steel produced by BOF (basic oxygen furnace)-LF (ladle furnace) refining-FTSC (flexible thin slab continuous caster) production route was investigated. The results showed that, LF refining for LCAK steel could decrease the ...

关键词: LCAK steel , ladle refining , FTSC , non-metallic inclusion

Microstructures of Austenitic Stainless Steel Produced by Twin-Roll Strip Caster

HUANG Fu-xiang , WANG Xin-hua , WANG Wan-jun

钢铁研究学报(英文版)

The microstructures of austenitic stainless steel strip were studied using color metallographic method and electron probe micro analysis (EPMA). In the cast strips, there are three kinds of solidification structures: fine cellular dendrite in the surface layer, equiaxed grains in the center and fine...

关键词: strip casting , solidification microstructure , austenitic stainless steel , retained ferrite

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