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    • February

      3

      2017
    • 359
    Embossing

    Embossing

    Many architectural materials are embossed for beauty and appearance.  Metals can be embossed and painted to look like wood.  The inside of an elevator has embossed material. Some cold rolled is rolled with a satin finish so that it has more area to fuse to the paint or galvanized surface.  Spiral grooves are embossed on

    • January

      16

      2017
    • 317
    Expanded Metals

    Expanded Metals

    Expanded metal is used primarily for grating, filtration media, and fencing.  Carbon and stainless steels can be perforated with holes or expanded to a diamond shaped pattern, which reduces the surface area.  When an expanded metal is made, it is sometimes skin passed, which removes any burrs from elongation process.  It also improves the expanded

    • October

      21

      2016
    • 548
    Powdered Metals

    Powdered Metals

    There are many methods of producing metal into powder.  This is a technology that is becoming more common today.  Some high strength, high temperature alloys are made from powder.  After rolling into a strip, the powder is put through a furnace and brought up to a eutectic temperature where the chemical reaction causes the elements

    • October

      11

      2016
    • 528
    Reducing Metals

    Reducing Metals

    There are many large rolling mills, including rolling mills that roll hot steel slabs 16” thick x 160” wide down to steel plate.  When we think of reducing, we think of at least 20% thickness reduction per pass or many passes.  In all cases, by reducing hot or cold metals, you improve its grain structure. 

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