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Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsGeneral Corrosi...General Corrosi...Corrosion Fuel oil against carbon steelCorrosion Fuel oil against carbon steel
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12/19/2002 9:00 AM
 
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Please advise the corrosion rate and susceptibility of Fuel oil ( containing 4% sulphur ) with Carbon steel ( A285 and API 5L gr.B) material. at temp. 150oC and pressure 18 bar g. Thanks Nasheed
 
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12/19/2002 9:00 AM
 
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Nasheed; Based on published literature, corrosion rates of carbon steel exposed to fuel oil containing %7E4% sulfur at 150C should be less than 10 mpy provided that no other corrosive contaminents are present. Hope this helps! David Hendrix The Hendrix Group Inc.
 
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12/23/2002 9:00 AM
 
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Carbon steel could be suitable for this service at this corrosion rate Please advise Nasheed
 
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4/29/2003 9:00 AM
 
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Nasheed, You are, I hope, aware of the real corrosion culprit involved when fuel oil is stored ? Its water... Corrosion typically occurs in fuel oil storage tanks because of water that makes its way into tanks and piping. The water collects at the bottom of the tanks. Corrosion is mitigated through use of: 1) Periodic drainage of storage tank "bottoms" 2) Keeping the tank nearly full 3) Installing a premium coating on the bottom and up the first few feet of the tank wall 4) Periodic inspection as per API-653 Hope that this helps... MJC
 
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5/14/2003 9:00 AM
 
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>Carbon steel could be suitable for this service at this >corrosion rate >Please advise > >Nasheed First of all, when the service was defined and material was selected, then you have to determine the life time of this equipment. Put some value of corrosion allowance to consider the corrosion rate in your thickness/strength calculation. You know, we can not stop the corrosion but only to minimize it (e.a. to apply coating) for this case. For storage tank that water suspected in service, we usually can paint 3 feet up of the first ring/shell and the bottom plate to use satisfied painting system. Hope this can help you. edf
 
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