MAφ114-φ273 seamless pipe manufacturing machinery mainly includes billet cutting saw and conveyor units, rotary billet heating furnace (Mid-diameter 16 meter), two conic-rolls hot piercing mill (horizontal type), Accu-Roll restraining mandrel elongator (with mandrel cooling cycling device), high-pressure descaling device, three-roll SRM mill (12-SRM stand, φ550mm ), chain-type cooling bed, 6-roll tube straightener, band saw and R-part profiling machine for SRM stands.