The various grade steeel pipe has good performance and high density in centrifugal casting,the specific weight attains 7.85,can avoid sand hole,air hole,material loos and ununiform etc.The intensity is higher compared with sand hole mold casting and the price is more lower than forged pipes and has small finishing allowance as well.The intensity and density will be on a par with forged steel pipe.The centrifugal casting pipe has a high utilization ratio than pipe blanks,for pipe sizes,we can produce according to your demand.