Thispapermainlyintorducesthemanufacturingtechnologyofthethreelowtemperaturetowersmadeof315%Nisteel、includingweldingprocedure,stressreliefheattreatmentafterwelding(PWHT),theform2ingandtheassemblingprocessofheadandshellaswellashydrostatictestsprocedure,whicharethedeter2miningfactorsforthesuccessfulfabricationoftheequipment.
3.5Ni钢低温塔式容器的制造