Stainless steel tubing4/29/2023 ![]() Stainless steel is an iron-based alloy characterized by a chromium content of at least 10.5%. Depending on the grade, stainless steel can also contain additional alloying elements such as molybdenum, nickel, aluminum, and titanium. ![]() At AAA Metals, we use our metal fabrication and polishing expertise to create custom stainless steel rectangular and square tubing for a range of industrial and commercial applications.Ĭhoose the Best Stainless Steel Tubing Type for Your Application Ideal for architectural and aesthetic applications, these tubes offer exceptional durability and corrosion resistance while providing an attractive and easy-to-maintain surface finish. Stainless steel rectangular and square tubes are rigid, hollow lengths of tubing with rectangular or square cross-sections. ![]() Steel tubes can also be used in automotive applications and even as parts of furniture.Polished Stainless Steel Tubing | Rectangular & Square Tube Steel is often used for construction tubes over other metals like aluminum when extra stress resistance is necessary. Examples include fences, gates, railings, playground and athletic equipment. Steel tubes are also used in a wide variety of structural applications, such as industrial and residential construction. Finally, steel does not contaminate drinking water. Additionally, the surface of stainless steel does not allow for much adherence by particles or bacteria, so purification processes will not pass on unintended detritus. Steel tubing can handle the types of pressures exerted by water upon plumbing structures. One, stainless steel is very sturdy, composed of 80-90 percent steel and 10-20 percent chromium. Steel tubing is used in high numbers in plumbing applications. Steel types also play a role in decisions regarding use in volatile applications. Certain types of steel react poorly to heat because of carbon content, so they can’t be easily welded. Generally, a steel tube manufacturing process is chosen for its interaction with the type of steel to be used. Steel tubes destined for certain applications require extra processes as well, such as tube laser cutting.Īpplications involving hydrogen must be factory pre-cleaned or certified as instrument grade due to hydrogen’s reactive characteristics that can cause metal embrittlement or even explosions. Tubes are not always cylindrical, and can be made in triangle, square or other polygonal shapes. ![]() This process allows for tight tolerances and specifications.Įach of these manufacturing processes allows manufacturers the ability to form varying tube shapes and sizes. As the tube is drawn, it shrinks to match the size of the die’s diameter. The tube is passed through a die that has a smaller diameter than the current tube size. It gives the tube extra support to prevent unwanted wrinkling during drawing. A mandrel is a small piece of metal inserted into the tube to define a shape. There is a contact at the roll seam that transmits electricity at a high enough current to weld the seam closed. The weld rollers have a groove around their circumference, through which the steel roll passes. This method involves passing a rolled sheet of steel through two weld rollers. As-welded or electric resistant welded (ERW).Long sections of steel bar are forced through a die that blocks out the intended shape of the tube. Extruded tubes can be formed in a hot or cold process. Seamless steel tubes are produced through extrusion. There are three main methods of manufacturing tubing that lend their names to tubing classifications. Tubes are generally manufactured based on standardized sizes. The terms “ tube” and “ pipe” are generally interchangeable, although technically, “tube” implies heightened engineering qualities. Image credit: Pittsburg Tank & Tower Group Steel tubes can also be used for structural support in buildings and vehicles. Manufacturers select stainless steel because certain manmade materials have unwanted or unknown exposure effects while stainless steel has many desirable qualities for maintaining clean water. Stainless steel tubes are often used in applications that require rigid materials for potable water conveyance.
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