The high-pressure nozzle in a steel plant’s oxygen lance system ensures precise delivery of oxygen to the molten metal bath, facilitating efficient oxidation and temperature control during the steelmaking process. This critical component is integral to the continuous casting and secondary steelmaking stages, where maintaining consistent gas flow is essential for achieving the desired material properties. The nozzle’s design allows it to withstand extreme thermal and mechanical stresses, ensuring reliable performance in the harsh environment of the furnace. By enabling accurate and stable oxygen injection, the nozzle supports the critical step of refining the molten steel, directly impacting the quality and yield of the final product. In the steel industry, this part is commonly found in electric arc furnaces and ladle furnaces, where its role is vital to the seamless operation of the refining process. Its integration into the oxygen lance system ensures that the process remains efficient and meets the stringent demands of modern steel production.