Cleanliness Evaluation for 55SiMnMo Steels Produced by EAF→LF→VD→Billet Casting Process

Jing Tao Zhu; Jing She Li; Ai Min Cheng; Li Yuan Sun; Xiao Ming Ding

doi:10.4028/www.scientific.net/AMR.535-537.611

Paper Titles

Effect of Annealing Time on the Microstructure and Texture of Interstitial Free Steel
p.593

The Microstructure and Characteristic of 410L Stainless Honeycombs Fabricated by Extruding and Sintering
p.597

Effect of Tempering Temperature on the Microstructure and Mechanical Properties of a 0.1C Steel with High Strength and Low Yield Ratio
p.601

Influence of Austenite Grain Size on the Crystallography of Allotriomorphic Ferrite in a Low Carbon Steel
p.605

Cleanliness Evaluation for 55SiMnMo Steels Produced by EAF→LF→VD→Billet Casting Process
p.611

Effects of Normalizing Annealing on the Recrystallization Texture of 4.2wt.%Si Non-Oriented Electrical Steel Thin Sheets
p.615

Study of the Ti-Mn-Al-Si-O-S Complex Inclusions Inducing Intragranular Acicular Ferrite
p.620

Influence of Vanadium on Microstructures and Mechanical Properties of High Strength Normalized Steel
p.628

Effect of Strain Rate on Nb(C,N) Precipitation in Micro Alloy Steel Slab
p.633

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Cleanliness Evaluation for 55SiMnMo Steels Produced by EAF→LF→VD→Billet Casting Process

Abstract:

Cleanliness of steels is one of the major factors influencing the final product quality. This paper introduced industrial practice of producing clean steel by EAF-LF-VD-Billet casting process. The cleanliness of 55SiMnMo steel during the whole producing process was analyzed by methods of sampling systematically and comprehensive analysis including total oxygen and nitrogen content analysis, optical microscope observation and SEM+EDS. The factors affecting the steel cleanliness were discussed. Some measures to improve steel cleanliness were proposed.