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Calibrated circle: characteristics and scope

The circle is calibrated - one of the types of rolled steel. To produce it, only high quality carbon steel is used, which is melted in a special way. For additional processing, cold drawing is used. As a result of this approach, the physical, plastic, and mechanical properties of steel are increased. In addition, surface characteristics are improved.

Depending on the purpose, the calibrated metal circle may be amenable to additional surface treatment, which results in a ground or matt finish. A stainless product has a first class of degree of curvature, as well as a second class.

The steel calibrated circle is available with medium, high and high precision machining. To mark them, the letters A, B and B are used, respectively.

The circle is calibrated according to the standards of GOST 7417-75. Here, the production of products with a diameter of 3 to 100 mm is regulated. Circles up to 5 mm are produced, as a rule, in coils. If the diameter is more than 5 mm, the products are in the form of bars. For a calibrated circle, the maximum deviation of diameter h11 is allowed.

Manufacturers can make a circle with a diameter of 25 mm in the form of skeins. In addition, the buyer can order a calibrated circle with heat treatment.

Calibrated circles along the length are divided into:

- products of dimensional length;

- products of unlimited length.

For the production of this metal products, different grades of steel are used , for example: 40, 40x, 45, 10, 20, 35. The circle is calibrated in the form of bars of 2 to 6.5 meters in length made of alloyed, low-alloy, automatic and high-quality carbon steel. High-alloy steel is used for rods between 1.5 and 6.5 meters in length. And for an immense length (not less than 1.5 m), high-quality carbon steel, alloyed and automatic is used. Calibrated circles of greater length are made by special order.

The circle calibrated has found its application in various fields. The steel product is used mainly for reinforcing reinforced concrete. A calibrated circle made of low-alloy steel, because of its resistance to unfavorable conditions, has become indispensable in the northern latitudes during construction. In some cases, it is also used to ground the gas pipeline lines. Stainless rods, round bars (calibrated wheels) are used in automotive, aviation, shipbuilding, woodworking, food, and pharmaceutical industries.

Also calibrated circles have won their place in design and outdoor advertising. In addition, they are used for internal processing of premises.

Due to its high strength and durability, the calibrated stainless ring is perfectly suited for the production of a wide variety of parts, which will be used in conditions of high loads and high temperatures. Stainless steel is an excellent material for making grinding balls, producing pipes, designing different parts and fasteners.

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