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  2. Pipe marking - Wikipedia

    en.wikipedia.org/wiki/Pipe_marking

    Example of pipe marking through colors and symbols (arrows) to indicated pipe contents (colors) and flow direction (arrows). Pipe marking on a natural gas pipe In the process industry , chemical industry , manufacturing industry , and other commercial and industrial contexts, pipe marking is used to identify the contents, properties and flow ...

  3. NFPA 704 - Wikipedia

    en.wikipedia.org/wiki/NFPA_704

    "NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association. First "tentatively adopted as a guide" in 1960, [ 1 ] and revised several times since then, it defines the " Safety Square " or " Fire Diamond " which is used to ...

  4. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Structural steel welding - Stud welding (steel studs to steel) AS/NZS 1554.3: Structural steel welding - Welding of reinforcing steel AS/NZS 1554.4: Structural steel welding - Welding of high strength quenched and tempered steels AS/NZS 1554.5: Structural steel welding - Welding of steel structures subject to high levels of fatigue loading AS ...

  5. Template:NFPA 704 diamond/codes-overview - Wikipedia

    en.wikipedia.org/wiki/Template:NFPA_704_diamond/...

    code text code H: 0: Health 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chloride code H: 1: Health 1: Exposure would cause irritation but only minor residual injury. E.g. turpentine code H: 2

  6. Template:NFPA 704 diamond - Wikipedia

    en.wikipedia.org/wiki/Template:NFPA_704_diamond

    This template produces a NFPA 704 safety square with optionally four hazard codes. It is designed to be used in a table. It is designed to be used in a table. Primary use is through {{ Chembox }} , the {{ NFPA 704 }} box and {{ OrganicBox complete }} (chemical data pages).

  7. National Fire Protection Association - Wikipedia

    en.wikipedia.org/wiki/National_Fire_Protection...

    The association publishes more than 300 consensus codes and standards intended to minimize the possibility and effects of fire and other risks. The codes and standards are administered by more than 250 technical committees consisting of approximately 9,000 volunteers. [8]

  8. Template:NFPA 704 diamond/codes-overview/row - Wikipedia

    en.wikipedia.org/wiki/Template:NFPA_704_diamond/...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

  9. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    In order to clearly distinguish the steel grade, tubing, casing and its coupling should be painted with color codes respectively. Color bands should be painted on tubing and casing body longer than 600mm to either end. The whole outer-body of the coupling needs to be painted color and then color codes