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 1968 |
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Page 17
The intergranular attack is mainly experienced due to changes in the
metallurgical structure near the welded zones in ... is a special type of corrosion
where the grain boundaries are preferentially attacked with respect to the grain -
interior .
The intergranular attack is mainly experienced due to changes in the
metallurgical structure near the welded zones in ... is a special type of corrosion
where the grain boundaries are preferentially attacked with respect to the grain -
interior .
Page 18
( 2 ) As the attack is due to the precipitation of carbide , the best method will be to
reduce the carbon content of the alloys below 0 . 03 % . A carbon content of 0 . 06
– 0 . 08 % is more common in commercial alloys . There are many practical ...
( 2 ) As the attack is due to the precipitation of carbide , the best method will be to
reduce the carbon content of the alloys below 0 . 03 % . A carbon content of 0 . 06
– 0 . 08 % is more common in commercial alloys . There are many practical ...
Page 86
Characteristics of Corrosion In case of acid attack by hydrochloric acid or carbon
dioxide in the condensate formed on the metal surface at lower temperatures ,
the attack is characterised by both pitting and general attack . In crude distillation
...
Characteristics of Corrosion In case of acid attack by hydrochloric acid or carbon
dioxide in the condensate formed on the metal surface at lower temperatures ,
the attack is characterised by both pitting and general attack . In crude distillation
...
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Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
DISCUSSION | 22 |
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 give given handling heat hydrogen hydrogen sulphide increase industry inhibitor iron lead less 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