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Finding High Quality Steel Angles

Did you know that not all angled steel products qualify as an official steel angle? Not every steel manufacturer is capable of producing certified steel angle products. This is a concern for many companies that manufacturer frames, rails, braces, building supports, truck beds, racks, and other products that require the use of a steel angle in the design of the product.

Before a steel shape can be considered an official “angle” it has to conform to a variety of certifications. The tolerance of the metal and the dimensions must qualify with ASTM A36 certifications. The Association of American Steel Manufacturers also has requirements for the different sizes and shapes of steel angles. The most common ratings are “C” and “MC.” C shapes are classified as American Standard channels, which have a 16-2/3 percent slope on the inside flange surface of the angle. If the metal pieces do not, then they are called MC shapes.

So what is so important about choosing angles that are ASTM A36 rated? The metal channels that receive this certification are of the highest quality in performance and lifespan. The machinability rating of all ASTM A36 angles is 72 percent, which is higher than many other steel formulations. It is also easy to weld ASTM A36 metal and the bonds created by the welding process are of the highest quality. This is extremely important in applications where safety needs are high, such as in the construction of steel structural supports or safety rails.

For these reasons, it is important to ensure that all steel angles used by your factory conform to the safety standards set in place by the ASTM and the Association of American Steel Manufacturers. Otherwise, the quality and safety of your products could be at risk.

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