Ethylene Plant Steam Cracker Coil Systems 1.Standard:ASME,ANSI,ASTM,DIN,GB 2.Material:25Cr35Ni+ ... residence time that why this furnaces callwd SRT.Kellog Brown &Root propose wide choice of feed which can use in it ... capacity,mta20,000-250,000 Ethylene Plant Steam Cracker Coil Systems