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SAE J1747 2013 Edition, May 1, 2013
Recommended Methods for Conducting Corrosion Tests in Hydrocarbon Fuels or
Their Surrogates and Their Mixtures with Oxygenated Additives
Description / Abstract:
This SAE Recommended Practice presents standardized test methods
developed for use in testing with hydrocarbon fuels or their
surrogates and those same fuels when blended with oxygenated fuel
additives. Hydrocarbon fuels include Gasoline and Diesel fuel or
their surrogates described in SAE J1681. Oxygenated additives
include Ethanol, Methanol Methyl Tertiary Butyl Ether (MTBE) and
Fatty Acid Methyl Esters (FAME or Biodiesel).
Corrosion testing of metals has a long and varied history. In spite of the problems inherent in extrapolating results of accelerated tests on standard specimens to actual field durability, engineers have been able, to a large extent, to rely on these results in making materials selection decisions. However, these tests have generally employed aqueous media and not strictly applicable to the use of organic chemical media. Fuel blends with oxygenates tend to exhibit high electrical conductivity relative to straight hydrocarbon fuels, thus the relevance of the historical database for aqueous corrosion is lost. Therefore, to allow rapid build-up of a new database, several corrosion test procedures have been reviewed and amended where appropriate.
Corrosion testing of metals has a long and varied history. In spite of the problems inherent in extrapolating results of accelerated tests on standard specimens to actual field durability, engineers have been able, to a large extent, to rely on these results in making materials selection decisions. However, these tests have generally employed aqueous media and not strictly applicable to the use of organic chemical media. Fuel blends with oxygenates tend to exhibit high electrical conductivity relative to straight hydrocarbon fuels, thus the relevance of the historical database for aqueous corrosion is lost. Therefore, to allow rapid build-up of a new database, several corrosion test procedures have been reviewed and amended where appropriate.
SAE J1747 2013 Edition, May 1, 2013
Recommended Methods for Conducting Corrosion Tests in Hydrocarbon Fuels or
Their Surrogates and Their Mixtures with Oxygenated Additives