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  2. ASME Boiler and Pressure Vessel Code - Wikipedia

    en.wikipedia.org/wiki/ASME_Boiler_and_Pressure...

    Subsection NE Class MC supports; Containment Vessel; Penetration Assemblies (Does not include piping, pumps and valves which if passing through the containment must be class 1 or class 2) Subsection NF Supports; Plate and Shell Type; Linear Type; Standard Supports; Support Class is the class of the Component Supported

  3. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Heating practices for pipe and tube AWS D10.11: Root pass welding for pipe AWS D10.12: Pipe welding (mild steel) AWS D10.13: Tube brazing (copper) AWS D10.18: Pipe welding (stainless steel) AWS D11.2: Welding (cast iron) AWS D14.1: Industrial mill crane welding AWS D14.3: Earthmoving & agricultural equipment welding AWS D14.4: Machinery joint ...

  4. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    Steel for pipe and tube: ... API Tubing and Casing: H40 ... Steel classification according to EN 10027-2.Free searchable database "European steel and alloy grades"

  5. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  6. API gravity - Wikipedia

    en.wikipedia.org/wiki/API_gravity

    The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water: if its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks.

  7. Moody chart - Wikipedia

    en.wikipedia.org/wiki/Moody_chart

    where is the density of the fluid, is the average velocity in the pipe, is the friction factor from the Moody chart, is the length of the pipe and is the pipe diameter. The chart plots Darcy–Weisbach friction factor against Reynolds number Re for a variety of relative roughnesses, the ratio of the mean height of roughness of the pipe to the ...

  8. File:Fencing Classification Chart.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Fencing...

    English: Chart of the different fencing competition classifications. Each line is a possible classification of a competition and the requirements for a competition to have that classification Each line is a possible classification of a competition and the requirements for a competition to have that classification

  9. Drill pipe - Wikipedia

    en.wikipedia.org/wiki/Drill_pipe

    Drill pipe is most often considered premium class, which is 80% remaining body wall (RBW). After inspection determines that the RBW is below 80%, the pipe is considered to be Class 2 or "yellow band" pipe. Eventually the drill pipe will be graded as scrap and marked with a red band. Drill pipe is a portion of the overall drill string.