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  2. Unified numbering system - Wikipedia

    en.wikipedia.org/wiki/Unified_numbering_system

    A UNS number only defines a specific chemical composition, it does not provided full material specification. Requirements such as material properties (yield strength, ultimate strength, hardness, etc.), heat treatment, form (rolled, cast, forged, flanges, tubes, bars, etc.), purpose (high temperature, boilers and pressure vessels, etc.) and testing methods are all specified in the material or ...

  3. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    The number is in the following format: x.yyzz(zz) Where x is the material type (only 1 is specified so far), yy is the steel group number (specified in EN10027-2) and zz(zz) is a sequential number designated by the certifying body, the number in brackets being unused but reserved for later use. The steel groups are indicated below:

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Typical fields in the title block include the drawing title (usually the part name); drawing number (usually the part number); names and/or ID numbers relating to who designed and/or manufactures the part (which involves some complication because design and manufacturing entities for a given part number often change over the years due to ...

  5. Uniform number (American football) - Wikipedia

    en.wikipedia.org/wiki/Uniform_number_(American...

    Cornerback Dré Bly seen in 2007 with numbers visible on the front and shoulders of his uniform. In American football, uniform numbers are displayed on both the front and back of the jersey, and in many cases the sleeves, shoulder pad, or occasionally helmets. The numbers on the front and back are very large, covering most of the jersey.

  6. Yankees want to stop issuing uniform numbers to managers ...

    www.aol.com/sports/yankees-want-stop-issuing...

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  7. Logos and uniforms of the Pittsburgh Steelers - Wikipedia

    en.wikipedia.org/wiki/Logos_and_uniforms_of_the...

    The Steelers (then known as the Pittsburgh Pirates) first logo was the city coat of arms. Current logo of the Steelers. The Steelers have had several logos in the early part of their history, among them including the crest of Pittsburgh, a football with Pittsburgh's then-smoggy skyline, as well as a construction worker hanging onto a chain holding a pennant.

  8. The Iron Dome, explained and visualized - AOL

    www.aol.com/iron-dome-explained-visualized...

    As thousands of rockets have rained down on Israel since the Hamas attack early Saturday, the country has been relying once again on the Iron Dome system to protect its citizens. The Iron Dome ...

  9. Sheet metal - Wikipedia

    en.wikipedia.org/wiki/Sheet_metal

    Sheet metal of iron and other materials with high magnetic permeability, also known as laminated steel cores, has applications in transformers and electric machines. Historically, an important use of sheet metal was in plate armor worn by cavalry , and sheet metal continues to have many decorative uses, including in horse tack .