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 |
From inside the book
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Page 17
Stainless steels owe their high 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 .
Stainless steels owe their high 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 .
Page 88
Chromium is the most important alloying element to impart resistance to sulphur
attack and in most of the cases alloy steel containing 46 % Cr with 0 . 5 % Mo is
found to be satisfactory . Mo is added to increase the creep resistant properties .
Chromium is the most important alloying element to impart resistance to sulphur
attack and in most of the cases alloy steel containing 46 % Cr with 0 . 5 % Mo is
found to be satisfactory . Mo is added to increase the creep resistant properties .
Page 91
Ni - Resist ( Austenitic cast - iron alloy ) is considerably more resistant than cast
iron under dilute acid conditions and can be used for reflux and ... 2 . low alloy
steels but its behaviour 12 % chromium steel offers better resistance than is
erratic .
Ni - Resist ( Austenitic cast - iron alloy ) is considerably more resistant than cast
iron under dilute acid conditions and can be used for reflux and ... 2 . low alloy
steels but its behaviour 12 % chromium steel offers better resistance than is
erratic .
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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