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API Std 530 Calculation of Heater Tube Thickness in Petroleum Refineries ISO 13704:2001 (E), Petroleum and natural gas industries-Calculation of heater tube thickness in petroleum refineries, Fifth Edition
standard by American Petroleum Institute, 01/01/2003
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API 530 specifies the requirements and gives recommendations for the procedures and design criteria used for calculating the required wall thickness of new tubes for petroleum refinery heaters. These procedures are appropriate for designing tubes for service in both corrosive and non-corrosive applications. These procedures have been developed specifically for the design of refinery and related process fired heater tubes (direct-fired, heat-absorbing tubes within enclosures). These procedures are not intended to be used for the design of external piping.This edition of API Standard 530 is an identical adoption of ISO 13704.