How Oxygen Lance Pipes Are Used in Steelmaking
In the steel manufacturing industry, oxygen lance pipes are small but vital tools that play a critical role in the production of high-quality steel. Though often overlooked, these specialized pipes directly impact the efficiency, cost, and safety of the steelmaking process.
🔥 What is an Oxygen Lance Pipe?
An oxygen lance pipe is a specially designed pipe used to inject pure oxygen into molten metal during various stages of steel production. The pipes are typically made from carbon steel or low-alloy steel and can be coated or uncoated depending on the application.
At Tianjin Guowei Steel Pipe Manufacturing Co., Ltd., we produce both 6mm–10mm diameter seamless and welded oxygen lance pipes, tailored to the needs of steel mills and foundries around the world.
🏭 Key Applications in Steelmaking
1. Decarburization (Basic Oxygen Furnace – BOF)
In BOF steelmaking, oxygen is blown through a lance into molten iron to reduce carbon content. This chemical reaction is essential to convert pig iron into steel.
2. Slag Formation and Temperature Control
Oxygen reacts with impurities (like silicon, phosphorus, and sulfur) to form slag, which floats on top of the molten steel. It also helps regulate furnace temperature for precise control of the steel’s chemical composition.
3. Cutting and Opening Tapholes
In electric arc furnaces (EAF), oxygen lance pipes are also used for manual cutting, opening clogged tapholes, and cleaning ladles or converters.
4. Secondary Refining Processes
In ladle metallurgy, oxygen lancing improves metal cleanliness and alloy recovery by refining the molten steel before casting.
⚙ Types of Oxygen Lance Pipes We Offer
| Type | Description | Application |
|---|---|---|
| Seamless Lance Pipe | High-pressure, clean internal surface | BOF, EAF high-purity injection |
| Welded Lance Pipe | Cost-effective, standard usage | General-purpose oxygen blowing |
| Ceramic-Coated Pipe | Heat-resistant, longer life in high temp use | Foundry, continuous steel pouring |
We can customize length, thickness, and end processing (threaded, grooved, plain) based on your furnace type and operational needs.
💡 Why Choose Tianjin Guowei Oxygen Lance Pipes?
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Factory Direct: We are the source — manufacturing in Tianjin since 2016.
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Strict Quality Control: Dimensional accuracy, pressure resistance, surface cleanliness.
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Fast Delivery: Ready stock and flexible production lines.
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Export Expertise: Delivered to Southeast Asia, the Middle East, South America, and beyond.
📩 Contact Us for Your Oxygen Pipe Needs
Whether you’re operating a blast furnace, electric arc furnace, or foundry, we can provide the right oxygen lance solution for your process. Reach out today for a quotation or technical consultation.