Michael Chen, Author at Shanghai Metallurgy Equipment Group

Commonly steel rolling mill products, including Round steel bars, deformed rebars, square bars, flat bars, angle steel, hexagonal bars, I-beams, channel steel, steel rails, and steel pipes neatly arranged on the ground of a warehouse.

What Are Rolling Mill Machinery and Rolling Mills?

By Michael Chen
January 14, 2026
Rolling Mill
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1. Rolling Mill Machinery vs. Rolling Mills: Core Concepts in Steel Rolling In steel rolling production, rolling mill machinery refers to the complete set of equipment required to carry out both the main rolling processes and the necessary auxiliary operations. This includes not only rolling mills themselves, but also material handling,…

Two workers are operating when electric arc furnace is tapping

How Can Decarburization Rate Be Increased in Electric Arc Furnace Steelmaking?

By Michael Chen
January 9, 2026
Steel Making
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In electric arc furnace (EAF) steelmaking, the decarburization rate plays a decisive role in determining melting time, refining efficiency, and overall productivity. For high-quality steel grades, increasing carbon input is often necessary to meet chemical composition requirements. Under such conditions, accelerating decarburization becomes the key to shortening the steelmaking cycle…

What Is a Violent Boiling Accident in Electric Arc Furnace Steelmaking?

By Michael Chen
January 7, 2026
Steel Making
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In electric arc furnace (EAF) steelmaking, a violent boiling accident refers to an abnormal and hazardous process event caused by a sudden and intense acceleration of the decarburization reaction. When this occurs, molten steel, slag, and furnace gas may violently erupt from the furnace, leading to equipment damage, serious safety risks…

Direct Reduced Iron - Sponge Iron - SME Group

What Are the Technical Requirements for Using DRI in Electric Arc Furnace Steelmaking?

By Michael Chen
January 3, 2026
Steel Making
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In Electric Arc Furnace (EAF) steelmaking, Direct Reduced Iron (DRI) is often considered a supplementary charge material when scrap availability is limited. However, in practical operation, the use of DRI imposes strict requirements on raw material quality, charging practice, process control, and plant management. For many small- and medium-sized EAF…

How Can Electric Arc Furnace Steelmaking Reduce Steel Scrap and Alloy Consumption?

By Michael Chen
December 31, 2025
Steel Making
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In Electric Arc Furnace (EAF) steelmaking, the consumption of metallic charge materials and alloys has a direct impact on production cost, metal yield, and operational stability. This article focuses on where steel scrap and alloy losses occur during EAF steelmaking and how these losses can be practically reduced, based on…

Workers of SME Group operating on electric arc furnace - Shanghai Metallurgy Equipment Group

How Should Decarburization, Dephosphorization, and Desulfurization Be Controlled During the Oxidation Stage of Electric Arc Furnace Steelmaking?

By Michael Chen
December 30, 2025
Steel Making
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In electric arc furnace (EAF) steelmaking, the oxidation stage plays a vital role in determining steel cleanliness, refining efficiency, and overall metallurgical quality. During this stage, decarburization, dephosphorization, and desulfurization are carried out through controlled oxidation reactions, slag formation, and bath agitation, enabling effective gas removal, inclusion flotation, and chemical…

What Are the Key Operational Precautions During the Oxidation Period in Electric Arc Furnace Steelmaking?

By Michael Chen
December 28, 2025
Steel Making
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In Electric Arc Furnace (EAF) steelmaking, the oxidation period plays a critical role in decarburization, dephosphorization, and the improvement of molten steel cleanliness. In a previous article, different oxidation methods used during the EAF oxidation period—namely oxidation by adding oxidizing agents, oxygen blowing, and the combined oxidation method—were systematically introduced.…

Electric arc furnace steelmaking - Shanghai Metallurgy Equipment Group

What Are the Main Tasks and Operating Principles of the Oxidation Period in Electric Arc Furnace Steelmaking?

By Michael Chen
December 26, 2025
Steel Making
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In Electric Arc Furnace (EAF) steelmaking, the oxidation period is one of the most critical stages when the oxidation refining route is applied. Its operating quality has a decisive influence on steel cleanliness and composition control, particularly when the charge materials contain relatively high levels of impurities. When scrap quality is…

Melting Stage Operation in Electric Arc Furnace Steelmaking: Slag Formation, Oxygen Lancing, and Process Control

By Michael Chen
December 24, 2025
Steel Making
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Role of Early Slag Formation During the Melting Stage Early slag formation during the melting stage plays a key role in arc stabilization, heat transfer, bath protection, and the creation of favorable oxidizing conditions for refining reactions. Arc Stabilization and Thermal Efficiency A slag layer covering the molten steel stabilizes…

Arc Ignition and Penetration in Electric Arc Furnace Steelmaking

By Michael Chen
December 19, 2025
Steel Making
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In Electric Arc Furnace (EAF) steelmaking, arc ignition and boring (also known as penetration) during the melting stage are critical operations that directly affect melting efficiency, electrode consumption, and overall furnace stability. A clear understanding of the physical mechanisms behind these two phenomena, as well as their corresponding power-on practices,…

Author: Michael Chen