The A694 F65 B16.5 WN RTJ flange is a high-strength carbon steel forged flange specifically designed for high-temperature and high-pressure transmission applications. The A694 F65 material offers extremely high yield strength and excellent weldability, enabling it to withstand the high stresses generated during high-pressure transmission, making it an ideal choice for large-diameter high-pressure pipelines. Compared with traditional carbon steel flanges, the A694 F65 flange has approximately twice the yield strength of conventional A105 flanges, allowing for a lighter and more compact design under the same pressure rating.