Product Name: Chrome Plating Mandrel for Multi-Stand Plug Mill Model NO.: as the drawing Application: metal Processing Machinery Parts Material: Alloy Customized: Customized Standard: DIN, ASTM, GB Certification: CE, ISO9001 Condition: New Application Range: Continuous Rolling Mill,Mpm,Fqm,Pqf Trademark: FANGLE Transport Package: Woodern Case Specification: max 20m, Diameter 100mm-500mm Origin: China Product Description Chrome Plating Mandrel for Multi-Stand Plug MillDescriptionThe Mandrel bar is the important tool for multi-stand pipemill process,which is also calledMannesmann plug mill process or multi-stand plug mill.Themandrel bar is used to roll a pre-pierced steel billet to produce a tube blank (the preliminary seamless tube).The multi-stand plug mill (MPM) with controlled (constrained) floating mandrel bar and the plug mill process in the size range from approx. 140 to 406 mm outside diameter.Mandrel with hardened and chromed surfaces ,basic wear resistance can be achieved, and byusing ultraplate coating the mandrel life will be multiplied several times.Production process:1) forging2) rough machining3)magnetic test4) heating treatment5) ultrasonic test6) finish machining7) chromium plating8)thread phosphating9) packageProducts ParametersMaterialsAISI H13, X35CrMo V51 ,4CrMoSi V1,28NiCrMoV10 etc.Diameter80-600mmLengthmax to 20,000mmHardnessMeet the customers'requirementsSurface ProcessingChrome platingThreadingAvailable, phosphatingChrome platingAs per requirement,thickness 0.045-0.065mmProcessEBT + LF (VD) + ESRProperty testsMagnetic testing,Ultrasonic testing etc.Lead timeabout 45 daysDelivery conditionFinished machiningApplicationMPM, PQF and FQM mills,Assel Mills,Accu-roll mill, Push Bench, Pilger mill,continuous tube mill etcMarketIndia,Saudi Arab,Russia,Slovenia,Thailand,Vietnam etc.