Ethylene Cracking Coil 1.Standard:ASME,ANSI,ASTM,DIN,GB 2.Material:25Cr35Ni+MA ... temperature,°C750-950Clean coil metal temperature,°C900-1,080Maximum metal temperature,°C1,040-1,150Average heat absorption,kw/m2 external area50-120Bulk residence ... time,s0.1-0.6Coil outlet pressure,KPa150-275Clen ...