Mass Loss Corrosion
weight loss corrosion (deprecated term)
loss of metal in areas exposed to fluids which contain water or brine and carbon dioxide (CO2), oxygen (O2) or
other corrosive agents
NOTE The term “weight” is commonly incorrectly used to mean mass, but this practice is deprecated.
Source: API SPEC 14A, Specification for Subsurface Safety Valve Equipment, Eleventh Edition, October 2005 (Reaffirmed June 2012). Global Standards