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 17
... resistance to corrosion to the presence of chromium in solid solution . If this chromium is removed from solution by any reaction to a level below 12 % , the corrosion resistance properties markedly decrease . Due to the precipitation ...
... resistance to corrosion to the presence of chromium in solid solution . If this chromium is removed from solution by any reaction to a level below 12 % , the corrosion resistance properties markedly decrease . Due to the precipitation ...
Page 88
... resistant than mild steel . Similarly 18 % Cr - 8 % Ni alloy , though resistant under some conditions , is not a reliable material . Addition of molybdenum above 1.5 % to this alloy increases the resistance to napthenic acid corrosion ...
... resistant than mild steel . Similarly 18 % Cr - 8 % Ni alloy , though resistant under some conditions , is not a reliable material . Addition of molybdenum above 1.5 % to this alloy increases the resistance to napthenic acid corrosion ...
Page 91
... resistance than low alloy steels but its behaviour is erratic . 3 . Cr / Ni stainless steels have excellent resistance to corrosion . 4 . 5 . Nickel alloys suffer from severe intercrystalline attack specially if nickel content is high ...
... resistance than low alloy steels but its behaviour is erratic . 3 . Cr / Ni stainless steels have excellent resistance to corrosion . 4 . 5 . Nickel alloys suffer from severe intercrystalline attack specially if nickel content is high ...
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