The high-pressure valve in the steel industry's oxygen lance system must withstand extreme thermal and mechanical stress during continuous arc welding operations. This critical component ensures precise control of gas flow, maintaining the necessary oxygen pressure to sustain the intense heat required for melting and refining molten metal. Installed within the lance assembly, the valve operates in a harsh environment where vibration and cyclic loading are constant, demanding reliable performance to prevent system failure. Its role is vital in maintaining the stability of the welding process, directly impacting the quality and efficiency of steel production. The valve's ability to handle high temperatures and pressure fluctuations makes it indispensable in the continuous casting and secondary steelmaking processes. It enables uninterrupted operation of the furnace and ladle systems, supporting the seamless flow of materials through the production line. In secondary applications, such as in gas-driven actuators and pressure regulation units, it ensures safe and efficient operation of auxiliary equipment.