Flammable Materials

As used in this Code, includes all fluids which will support combustion. Refer to NFPA 704 for guidance on classifying fluids in 6.3.4.

  • NOTE: Some regulatory documents include separate definitions of flammables and combustibles based on their flash point. In this document flammable is used to describe both and the flash point, boiling point, auto ignition temperature or other properties are used in addition to better describe the hazard.

Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards

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