... Steam Cracker Coil Systems 1.Standard:ASME,ANSI,ASTM,DIN,GB 2.Material:25Cr35Ni+MA 3.ISO9001:2008 Ethylene Plant Steam Cracker Coil ... /C,T/T11.Application:Used for Da Qing Petrochemical Company 1,200,000 Ton/Year Ethylene Plant.Commercial furnacesThermal cracking of ... heat absorption,kw/m2 external area50-120Bulk residence time,s0.1-0.6Coil outlet pressure,KPa150-275Clen coil pressure drop,KPa10 ...