... 2.Material:25Cr35Ni+MA 3.ISO9001:2008 Heater Radiant Coil1.Standard:ASME,ANSI,ASTM,DIN,GB2. ... KBR,Linde,Stone and Webster(a Shaw Group Company),and Technip offer cracking furnace technology. ABB Lummus ... tubes were rranged in horizontal rows in a radiant chamber,leading to low ethylene capcity(20, ... is well over 150,000 mta.Pyrolysis heater radiant coil characteristics(single heater range)Number of coils ...