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AMPP SP21474-2023, External Corrosion Control of On-Grade Carbon Steel Storage Tank Bottoms

Picture for AMPP SP21474-2023, External Corrosion Control of On-Grade Carbon Steel Storage Tank Bottoms
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Sustaining long-term leak-free operation of aboveground storage tank (AST) bottoms is an extremely important goal of all AST owners and operators.  Mitigation of corrosion on the external side of on-grade carbon steel tank bottoms is a principal element necessary to achieve this goal.

This standard provides a comprehensive compilation of corrosion mitigation considerations, practices, and procedures for AST bottoms. It is applicable from tank construction through long-term integrity management and maintenance processes.  It presents supplements and alternatives to cathodic protection (CP). A broad section on vapor corrosion inhibitor (VCI) practices and procedures for mitigation of external tank bottom corrosion is included.

Product Number: AMPP SP21474-2023
Publication Date: 2023
Industries: Storage Tanks , Oil and Gas
$109.00
$109.00
$109.00

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Sustaining long-term leak-free operation of aboveground storage tank (AST) bottoms is an extremely important goal of all AST owners and operators.  Mitigation of corrosion on the external side of on-grade carbon steel tank bottoms is a principal element necessary to achieve this goal.

This standard provides a comprehensive compilation of corrosion mitigation considerations, practices, and procedures for AST bottoms. It is applicable from tank construction through long-term integrity management and maintenance processes.  It presents supplements and alternatives to cathodic protection (CP). A broad section on vapor corrosion inhibitor (VCI) practices and procedures for mitigation of external tank bottom corrosion is included.

Keywords: Aboveground storage tanks, ASTs, external side corrosion, tank bottom

Sustaining long-term leak-free operation of aboveground storage tank (AST) bottoms is an extremely important goal of all AST owners and operators.  Mitigation of corrosion on the external side of on-grade carbon steel tank bottoms is a principal element necessary to achieve this goal.

This standard provides a comprehensive compilation of corrosion mitigation considerations, practices, and procedures for AST bottoms. It is applicable from tank construction through long-term integrity management and maintenance processes.  It presents supplements and alternatives to cathodic protection (CP). A broad section on vapor corrosion inhibitor (VCI) practices and procedures for mitigation of external tank bottom corrosion is included.

Keywords: Aboveground storage tanks, ASTs, external side corrosion, tank bottom

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Aboveground storage tanks (ASTs) are assets that contain valuable goods for the oil and gas industry. Consequently, monitoring and preventing loss of containment and extending the service life of those assets is a priority for the abovementioned industries. To monitor the degradation process of the tanks, ER probes are typically used to determine the corrosion rates. Corrosion rates can be used to forecast the service life of an asset by estimating the time at which the degradation reaches a critical thickness of the tank. If the corrosion rate is such that the critical thickness is expected to reach below the expected service life of the asset, the lifespan can be extended by corrosion mitigation methods.
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