The application scope of butt-welded flange is as follows: One, the length of the workpiece: such as strip steel, profile, wire, steel bar, rail, boiler steel pipe, oil and gas transmission pipeline butt welding. Two, annular workpiece welding: such as car rim and bicycle, motorcycle rim welding,

Hydrogenation reactor is one of the key equipment in the petrochemical industry. The material is mainly used for 12Cr2Mo1 forged steel flanges with high temperature creep resistance and oxidation resistance. Because it operates under high temperature, high pressure, and hydrogen conditions, the qual