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Daiwa Calorized Lance pipe
We are manufacturing company of Calorized Lance Pipe for oxygen/carbon injection purpose during steel making process.
Calorizing is make aluminum diffuses into mild steel and make aluminum diffused layer on the surface of the steel - we call Calorized layer.
Principle of Calorized Lance
We use this technology and making the Lance Pipe from 1955 and selling our products world widely.
When the lance pipe exposed to high temperature, the Calorized layer forms a heat resistant aluminum oxide (alumina) film over the surface and protect the lance pipe against severe oxidation.
◆Form of the alumina film at high heat
Structure
We produce Calorized layer outside & inside of Lance pipe to protect from high heat and oxidation.
You can see the Calorized layer
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