Ethylene Plant Steam Cracker Coil Systems 1.Standard:ASME,ANSI,ASTM,DIN,GB 2.Material:25Cr35Ni+ ... requirement4.Process:centrifugal casting5.Quality:appearance of smooth,can work under presure for long time,advanced testing equipment to ensure thye ... capacity,mta20,000-250,000 Ethylene Plant Steam Cracker Coil Systems