---
title: Calorized Lance Pipe | one to ONE Holdings
description: Calorized lance pipes enhance steelmaking by extending service life, cutting costs, and improving safety through a heat-resistant aluminum layer.
image: https://www.o2oh.com/hubfs/images/blog/%5BVN%5D%20Blog%20Image/daiwa-calorized-lance-sample-01%20.jpg
---

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# Glossary

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# Calorized Lance Pipe

A calorized lance pipe is a type of lance pipe used in steelmaking processes, such as in **[electric arc furnaces (EAF)](https://www.o2oh.com/glossary/electric-arc-furnace-eaf)**, to inject oxygen and carbon. The pipe has a special calorized treatment applied to it.

![Photo of Calorized Lance pipes fabricated by DLI](https://www.o2oh.com/hs-fs/hubfs/images/blog/%5BVN%5D%20Blog%20Image/daiwa-calorized-lance-sample-01%20.jpg?width=500&height=290&name=daiwa-calorized-lance-sample-01%20.jpg)The calorizing process involves diffusing aluminum onto the surface of the lance pipe and heating it to 1,000°C. This forms a heat-resistant aluminum-iron alloy, known as the calorized layer. When exposed to high temperatures, the surface of this layer forms a durable aluminum oxide (alumina) film, which suppresses the severe oxidation of the lance pipe itself.

![Structure of Calorized Lance Pipe](https://www.o2oh.com/hs-fs/hubfs/images/blog/%5BVN%5D%20Blog%20Image/Structure%20of%20Calorized%20Lance%20Pipe.png?width=600&height=600&name=Structure%20of%20Calorized%20Lance%20Pipe.png)

Calorized lance pipes contribute to a longer service life, cost savings, and safer operations in electric furnace steelmaking.

These pipes are manufactured by one of our group companies, [Daiwa Lance International (DLI)](https://www.daiwalance.com.vn/). Discover how our calorized lance pipes, or **[Daiwa CA Lance](https://www.daiwalance.com.vn/catalogue)**, can improve your steelmaking process. 

Source: Daiwa Lance International

Source: Daiwa Lance International

### RELATED WORDS

---

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