One of the popular products in the metal rolling market is a steel channel. A constructive element is used in construction, automotive, in the production of wagons, etc.D. The popularity of the channel is ensured by the high strength of the products, which is achieved due to the P-shaped form. On the site http: // SPB.Metalika.SU/Price/Armatura.HTML can buy reinforcement in St. Petersburg at a bargain price.
The steel channel is made by cold or hot metal rolling. The manufacturing method can be determined by the corners of the product. Sharp angles are characteristic of a hot production method, with a cold manufacturing method, corners have a slight rounding.
The metal channel differs in size. The length of the products varies within 4 – 12 m. The diameter of the channel varies within 5 – 40 mm. In production, low -carbon or structural steel is used. The numbers in the labeling of products indicate the distance between the shelves in centimeters.
Also, letters are used to indicate the features of the channel:
P – parallel shelves;
L is a lightweight channel;
C – special product;
E – an economical channel;
Y – shelves.
The determining criteria for choosing a channel for various areas of application are strength and accuracy. There is a channel of normal strength and increased. In accuracy, the products are distinguished by ordinary, with increased and high accuracy. For light structures, it is possible to use a construction channel from aluminum.