• steel square and rectangular tube

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    Carbon Steel is a steel with carbon content up to 2.1% by weight. The definition of carbon steel from the American Iron & Steel Institute (AISI) states:

    Steel is considered to be carbon steel when:

    No minimum content is specified or required for chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium or zirconium, or any other element to be added to obtain a desired alloying effect;

    The specified minimum for copper does not exceed 0.40 percent;

    Or the maximum content specified for any of the following elements does not exceed the percentages noted: manganese 1.65, silicon 0.60, copper 0.60.

    The term "carbon steel" may also be used in reference to steel which is not stainless steel; in this use carbon steel may include alloy steels.

    As the carbon percentage content rises, steel has the ability to become harder and stronger through heat treating; however, it becomes less ductile. Regardless of the heat treatment, a higher carbon content reduces weldability. In carbon steels, the higher carbon content lowers the melting point.

  • 6061 Aluminum Square and Rectangular Tubes

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    6061 and 6063 are the two most popular extrusion alloys. 6063 aluminum occupies the number one spot and 6061 occupies spot number two. As alloys in the 6000 series, they both have magnesium and silicon as their primary alloying elements. Thus, they have many similar properties. 6061 offers higher strength, however. As such, it is often used for more structural applications. 6063, on the other hand, is used for applications such as railing or trim, windows, and doors where strength is less of a factor in the decision-making process. 6061 Strength is Medium to High, good corrosive resistance, weldability, workability & machinability is also considered good. T6 is Solution heat-treated and artificially aged. T451 is solution heat-treated, stress relieved, then naturally aged. T651 is solution heat-treated, stress relieved by stretching and then naturally aged. T6511 is solution heat-treated, stress relieved by stretching and then artificially aged with minor straightening.

  • 5083_Aluminum_Square_Tubessquare

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    Principal Design Features
    Magnesium is the primary alloying agent in the 5083 series and is one of the most effective and widely used alloying elements for aluminum. Alloys in this series possess moderate to high strength characteristics, as well as good weldablilityand resistance to corrosion in the marine environment. Because of this, aluminum-magnesium alloys are widely used in building and construction, storage tanks, pressure vessels and marine applications. Examples of common alloy applications include: 5052 in electronics, 5083/5086 in marine applications, anodized 5005 sheet for architectural applications and 5182 makes the aluminum beverage can lid. The U.S. military’sBradleyFightingVehicleis made with5083and the 7xxx series aluminum.

  • 5086_Aluminum_Square_Rec_Tubes

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    Principal Design Features
    Magnesium is the primary alloying agent in the 5086 series and is one of the most effective and widely used alloying elements for aluminum. Alloys in this series possess moderate to high strength characteristics, as well as good weldablilityand resistance to corrosion in the marine environment. Because of this, aluminum-magnesium alloys are widely used in building and construction, storage tanks, pressure vessels and marine applications. Examples of common alloy applications include: 5052 in electronics, 5083/5086 in marine applications, anodized 5005 sheet for architectural applications and 5182 makes the aluminum beverage can lid. The U.S. military’sBradleyFightingVehicleis made with5083and the 7xxx series aluminum.

  • 6063 Aluminum Square and Rectangular Tubes

    6063 aluminum is the most popular alloy for extrusion and so it is a natural consideration. This alloy is widely used in architectural applications. Because of this, it is often referred to as architectural aluminum.
    It is a medium strength alloy, which is used for applications such as railing, window frames, door frames, roofs, balustrading, sign frames, shop fittings, irrigation tubing, building products, electrical, marine, piping, recreation equipment, storage tanks, truck frames & trailers.
    This alloy features medium strength, with good corrosion resistance, weldability, and workability. It also is fairly machinable. 6061 and 6063 are the two most popular extrusion alloys. 6063 aluminum occupies the number one spot and 6061 occupies spot number two. As alloys in the 6000 series, they both have magnesium and silicon as their primary alloying elements.

  • Stainless Steel Square and Rectangular Tubes

    Type 304/304L is the modern version of "18-8" stainless steel containing approximately 18% chromium and 8% nickel and is the most commonly specified stainless steel used throughout the world. Type 304/304L is a versatile, general purpose stainless steel with good resistance to atmospheric corrosion, and to many chemicals and food and beverages. These grades can be specified in the annealed condition where they have very good formability. Higher nickel versions can be specified to enhance multi-stage deep drawing characteristics. Higher strength, cold-worked conditions can also be specified for Type 304/304L for spring type applications. Type 304/304Lis non-magnetic in the annealed condition but may become slightly magnetic as a result of cold working.

    Type 316/316L is a chromium nickel austenitic stainless steel containing molybdenum. The molybdenum addition enhances the corrosion resistance over that of 304/304L in halide environments as well as in reducing acids such as sulfuric and phosphoric acid. Type 316L can be dual certified as 316 when the composition meets the lower carbon limit of 316L and the slightly higher strength levels of 316. Type 316L should be specified for welded applications as the low carbon version eliminates chromium carbide precipitation and enhances the corrosion resistance in the as-welded condition.

  • Profiles

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    Aluminum alloy 6005/A is a medium strength, heat treatable alloy with excellent corrosion resistance. Alloy 6005 has properties between those of alloys 6061 and 6082 and can sometimes be used interchangeably with these alloys, but 6005 has better extrusion characteristics and a better mill surface finish. It is difficult to produce thin-wall or complicated extrusions in 6005, but it is still more extrudable than 6082. 6005A tube has very good bending properties. 6005 and 6005A typically are foundin applications like: tubing for furniture, railway and bus profile structures, pylons, platforms and pipelines, portable ladders and sections where greater strength is needed than given by 6060 and 6063. T5 is Cooled from an elevated temperature and artificially aged whereas T61 is Solution heat-treated and artificially aged.