oxygenblown

Oxygenblown refers to a process used in steelmaking, specifically in the production of certain types of steel. It involves the blowing of pure oxygen into molten iron to remove impurities such as carbon, silicon, and phosphorus. This process is a variation of the basic oxygen steelmaking method, but instead of air, pure oxygen is used. The high concentration of oxygen reacts vigorously with the impurities, oxidizing them into gases or slag that can be separated from the molten metal.

The oxygenblown process is highly efficient and can produce steel quickly. It is particularly effective for removing carbon, as the oxygen readily combines with it to form carbon monoxide gas. This gas is then vented from the furnace. The intense heat generated by the exothermic reactions of the impurities with oxygen further aids in the melting and refining process. Control over the oxygen flow and the addition of fluxes allows for precise adjustments to the final composition of the steel.

This method is often employed in the production of low-carbon steels and some stainless steels. The resulting steel has a refined microstructure and improved mechanical properties compared to steel produced by older methods. The efficiency and speed of the oxygenblown process contribute to its widespread use in the modern steel industry.