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    • December

      12

      2016
    • 474
    Aluminum and Aluminum Alloys

    Aluminum and Aluminum Alloys

    Aluminum has many advantages.  The first advantage is that it is light weight or has a low specific gravity.  Steel weighs 0.28 pounds per cubic inch.  Aluminum weighs one third of steel.  If you take the weight of steel and divide by three, you will have the approximate weight of aluminum.  Of course, this has

    • December

      5

      2016
    • 515
    Copper and Copper Alloys

    Copper and Copper Alloys

    Pure copper is very ductile, which means it has a high elongation.  Pure copper can be annealed at 12,000 to 15,000 PSI yield strength, and when reduced or cold worked substantially, can go to 45,000 PSI yield strength.  Copper at elevated temperatures can be 6,000 to 15,000 PSI yield strength.  Pure copper can be made

    • November

      24

      2016
    • 514
    Other Metals

    Other Metals

    Gold and silver are rolled on a rolling mill.  All coins made from copper zinc coils are made on a rolling mill.  In fact, almost any metal can be rolled on a rolling mill.  This includes lithium for batteries and uranium for atomic energy.  Tantalum and niobium are also reduced on a rolling mill with

    • November

      21

      2016
    • 532
    Stainless and Stainless Alloys

    Stainless and Stainless Alloys

    There are many stainless alloys.  The most common is 300 series.  The most important purpose is to have a metal that will not rust or corrode.  Many stainless steels can be surface polished or brushed to make a product that will last indefinitely around mixtures of water.  Stainless comes from the mill with a yield

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