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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Results 1-3 of 19
Page 31
... welds could have suffered more embrittlement because of delta iron precipitation during the welding operations . The failure of the longitudinal weld seam in the outlet pipe could have been due to more than normal operating temperature ...
... welds could have suffered more embrittlement because of delta iron precipitation during the welding operations . The failure of the longitudinal weld seam in the outlet pipe could have been due to more than normal operating temperature ...
Page 44
... welds it was apparent that welding stresses and the corrosive environment containing chloride were responsible for the failure . It may also be noted that evaporator ' U ' bends had to bear the weight of about 20 feet of liquid column ...
... welds it was apparent that welding stresses and the corrosive environment containing chloride were responsible for the failure . It may also be noted that evaporator ' U ' bends had to bear the weight of about 20 feet of liquid column ...
Page 47
... welding and all the cracks originated at the welding spots . From the nature of the cracks it appeared that the cracks started on the stiffening ring side of welded zone and proceeded on both sides attacking the shell body also . The ...
... welding and all the cracks originated at the welding spots . From the nature of the cracks it appeared that the cracks started on the stiffening ring side of welded zone and proceeded on both sides attacking the shell body also . The ...
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