Corrosion in Fertiliser and Petroleum Industry: Proceedings of Short Course on "Corrosion in Fertiliser and Petroleum Industry" Organised by the Corrosion Advisory Bureau at Udyogamandal from 20th to 24th December 1968K. N. P. Rao, A. K. Lahiri |
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Page 31
... pipe could have been due to more than normal operating temperature and could be remedied by using either pipe of greater wall thickness or seamless pipe . So 304 type stainless steel was considered unsuitable and replaced with Incoloy ...
... pipe could have been due to more than normal operating temperature and could be remedied by using either pipe of greater wall thickness or seamless pipe . So 304 type stainless steel was considered unsuitable and replaced with Incoloy ...
Page 40
... pipe insulations , pipe portions having cracks were observed ( fig . 13 and 14 ) . The maximum working pressure in the pipe line is 14 kg / cm3 . Our investigations revealed that at some places the cracks were only observed on the outer ...
... pipe insulations , pipe portions having cracks were observed ( fig . 13 and 14 ) . The maximum working pressure in the pipe line is 14 kg / cm3 . Our investigations revealed that at some places the cracks were only observed on the outer ...
Page 52
... pipe to the second absorber . Three out of five sections of the main failed in the same year of operation . The thickness of the pipe varied from 7/8 " to 1 " . Metallographic examination of the smaller secondary cracks showed them to ...
... pipe to the second absorber . Three out of five sections of the main failed in the same year of operation . The thickness of the pipe varied from 7/8 " to 1 " . Metallographic examination of the smaller secondary cracks showed them to ...
Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
CORROSION PROBLEMS IN THE MANUFACTURE OF NITROGEN BASED FERTILIZER | 27 |
9 other sections not shown
Common terms and phrases
alloys aluminium amine ammonia ammonium nitrate ammonium sulphate anodic protection attack austenitic bacteria brass carbon dioxide carbon steel cast iron cathodic protection cause caustic cell chemical chloride chromium coatings concentration condensate containing cooling copper Corpn corrosion due corrosion problems corrosion rate corrosion resistance distillation effective environment epoxy equipment erosion evaporator failure fertiliser flow galvanic gases graphite Hastelloy high temperatures hydrochloric acid hydrogen sulphide increase inhibitor intergranular layer liquor material of construction metal surface mild steel Monel nickel nitric acid nitrogen occurred operating oxide oxygen paint petroleum industry phenol phosphate phosphoric acid pipe pipelines pitting plant plates polyester potential presence pressure Prot pumps reaction reboiler reduced refinery resin rubber saturation sea water shell Sindri sodium solution stainless steel steam storage tanks stress corrosion cracking structure sulphuric acid tower tubes type of corrosion upto velocity welding zinc