... 2.Material:ZG45Ni35Cr25NbMA,G1.4852, 3.Petrochemical industry Centrifugal cast reformer tube GradeC Si MnCr Ni Nb PSOtherZG45Ni35Cr25Nb+Microalloy0 ... ,1.48523.OD:50-1000mm,Length:<5000mm4.Process:centrifugal casting5.Quality:appearance of smooth,can work under ... , petrochemical and fertilizer industries are manufactured by the centrifugal casting process and heat-resistant austenitic alloys such as ...