The present invention discloses a process for cracking {HEAD ~ a hydrocarbon feedstock} into {TAIL ~ olefinic hydrocarbon products} in a furnace at a temperature of above about 1300° F. in a reactor furnace tube comprising a plurality of reaction lines constructed of a temperature resistant, non nickel containing material 
The present invention discloses a process for cracking { HEAD ~ a hydrocarbon feedstock } into { TAIL ~ olefinic hydrocarbon products } in a furnace at a temperature of above about 1300 ° F. in a reactor furnace tube comprising a plurality of reaction lines constructed of a temperature resistant , non nickel containing material
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH