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 20
... hardness of the material , heat treat- ment , the level of stress and type of alloy . The most severe media are those which release hydrogen during the reaction of the metal with environment and promote the hydrogen entry into the metal ...
... hardness of the material , heat treat- ment , the level of stress and type of alloy . The most severe media are those which release hydrogen during the reaction of the metal with environment and promote the hydrogen entry into the metal ...
Page 55
... Hardness 70,000 nil 260 Experimental 26 Cr . , 8 Ni , 2.5 Mo , 3 Cu 0.0039 0.0020 Iron base Experimental 28 Cr , 8 Ni , 2.5 Mo , 3 Cu Iron base 0.0037 0.0025 80,000 115,000 20 CD - 4 M Cu 26 Cr , 5 Ni , 2 Mo , 3 Cu Iron base 0.0063 ...
... Hardness 70,000 nil 260 Experimental 26 Cr . , 8 Ni , 2.5 Mo , 3 Cu 0.0039 0.0020 Iron base Experimental 28 Cr , 8 Ni , 2.5 Mo , 3 Cu Iron base 0.0037 0.0025 80,000 115,000 20 CD - 4 M Cu 26 Cr , 5 Ni , 2 Mo , 3 Cu Iron base 0.0063 ...
Page 56
... hardness . Both are austenitic ferritic type of steels . CD - 4 M Cu is 60 % ferrite + 40 % austenite ( Carbide precipitation nil ) while the other is 80 % ferrite + 20 % austenite ( with heavy carbide precipitation ) . These two alloys ...
... hardness . Both are austenitic ferritic type of steels . CD - 4 M Cu is 60 % ferrite + 40 % austenite ( Carbide precipitation nil ) while the other is 80 % ferrite + 20 % austenite ( with heavy carbide precipitation ) . These two alloys ...
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