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
addition alloys aluminium ammonia ammonium amount anodic application attack bottom carbon steel cast iron cathodic protection cause chemical chloride chromium coatings concentration construction containing cooling corrosion problems corrosion rate cracking crude developed distillation effective environment epoxy equipment exchangers failure fertiliser flow formation give given handling heat higher hydrogen hydrogen sulphide increase industry inhibitor iron lead material metal method mild steel Monel months natural observed occurred operating organic oxide oxygen paint petroleum phosphate pipe pitting plant plates potential practice presence pressure prevent pumps range reaction reduced refinery removal resistance rubber severe shell showing solution specially stainless steel steam storage tanks stress corrosion structure suitable sulphuric acid surface Table tanks temperature tests thickness tower treatment tubes unit various welding zinc