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Ferrous metal-roll is a product made of steel or iron, which is made on rolling machines. The scope of use of black rolled products is so wide that it is difficult to name the industry where it is not used. Ferrous metal rolling is widely used in aviation, mechanical engineering, machine tool building, medicine, construction, shipbuilding, etc. Such popularity of metal rolling is explained by several reasons at once: Despite the emergence of new materials, ferrous steel remains the most demanded product, while maintaining the perfect balance of cost and quality. Ferrous metal in a wide range is presented here. Varieties of rolled metal There is such a huge number of types of black rolled products that it is impossible to list them all. All diversity can be divided into several large groups: It is also possible to single out stainless steel products as a separate group. Rolled metal products are especially popular in the construction industry. Most often it is used for reinforcing reinforced concrete products and for mounting monolithic structures. The most popular types: corner, rod fittings, channels, pipes, etc. Shaped metal is used in machine tool building, aircraft and shipbuilding. The most used types: I-beam, corner, special profiles. Rolled sheet is a metal sheet with different types of surface treatment. Commonly used options: smooth, perforated, plain galvanized, profiled, stainless, etc. Such rolled products are actively used in agriculture, machine tool building, instrument making, etc. Decorative rolled products are used for the manufacture of decor in the interior and exterior. These can be gazebos, fences, awnings, gates, etc. In addition to the main division of black rolled metal according to the type of section, there are also groups according to the type of surface (polished, matte, mirror) and according to the production technology (hot and cold rolling). The price of rolled metal is affected by the quality and method of extraction of raw materials, the type of metal. Cold rolled sheet metal Its thickness is determined in accordance with the requirements of GOST 19904-90. High-quality metal-roll simple black This product is offered as:
circles; fittings; wire rod; squares; stripes.
Construction fittings The use of building reinforcement: characteristics, classification Reinforced concrete products are reinforced with this metal. Moreover, both ordinary products, and with prestressing. Reinforcement is also used to create frames for monolithic structures. At metallurgical plants, fittings are produced:
wire (cold-drawn); rod (hot rolled).
It is necessary to use reinforcement for concrete goods:
non-stressed; tense.
The reinforcement has two types of profiles:
smooth (belongs to class A1); periodic (belongs to classes A2-A6).
The length of the products is 6-12 m, and the diameter is 0.6-8 cm, depending on the class. For the manufacture of fittings, carbon or low-alloy steel is used. These compounds stand out:
resistance to corrosion; special strength.
steel circle The steel circle has a round section. The product is rod-shaped. This rolled metal is a blank that is used for the manufacture of pipes, parts for mechanical engineering.
Steel circles of different diameters are produced - a minimum of 0.5 cm, a maximum of 27 cm. A circle can be made of steel of several varieties. This is both ordinary carbon steel and steel of special grades. The plain steel wheel can reach a length of 2-12 m, while the high-alloy steel material is available in a length of 1-6 m. H/c hexagon (square hot/c) The marked steel products have face sizes of 6.3-20 cm. Such rolled metal is produced in lengths of 2-6 m. In the production of steel hexagons, various suitable steel grades are used. Manufacture of steel hexagons:
normal accuracy (marking B); high accuracy (marking B).
The steel hexagon has equal edges, and a diameter of 0.8-10 cm. Steel hexagons are made:
hot-rolled; forged; calibrated.
These products are divided by chemical composition, the value of the additive to steel is noted. So, high-quality and high-quality hexagons are distinguished. Beam This product must have maximum strength and maximum weight. Such metal products are used in the construction of buildings and bridges. Used as overlays. There are two types of beams:
T-shaped (they are also called single-tee); H-shaped (the so-called I-beam).
I-beam These products of standard production are produced in lengths of 4-12 m. The defining size of the beam is taken into account. This is the distance that is formed between the edges of the outer shelves of this material. For example, "beam 24M". Here 24 cm is the length of the segment that is measured between the edges of the outer shelves. Wire rod This is the name of the metal of the hot roller. It is produced from:
Withlabels; wires; gratings.
rails Release rails:
tram; railway; crane.
This is a kind of high-quality black metal. Shaped steel For such products, the cross section is intersected by a tangent at least at one point. Varieties of this black metal can be considered:
special purpose profile; corner; channel.
steel channel The channel has a number, which indicates its height in centimeters. The length of the channel is standard - 2-12 m. Main parameters and pipe profiles The classification is based on several criteria. They are divided depending on the diameter, size, material of manufacture, connection method, type of insulation, profile cross section. Kinds
Steel. The advantages of these products include a long service life (about 25 years) and reliability, the disadvantages are huge weight, lack of resistance to corrosion. They are made galvanized, welded, cold and hot rolled, cold drawn, profiled. Galvanized. They are able to tolerate various temperature extremes. Not subject to corrosive influences. At a cost, of course, much higher than usual, but, on the other hand, they are several times better in quality. Copper. Pluses are durability (the service life reaches 100 years), resistance to corrosion and high temperatures. Cons - high price, low strength, difficult installation. Cast iron. Depending on the strength, there are black, gray and spheroidal graphite. Reliable, corrosion-resistant, but not so strong and costly during installation work. Metal-plastic - made of plastic and metal. By far the most popular on the market. They have many positive characteristics: price, quality, ease of installation. The disadvantages include poor resistance to temperature extremes.
In addition, according to the method of application, the pipes can be:
electrowelded; water and gas pipelines; casing; seamless; square or rectangular for the manufacture of frames.
Steel channel: types of metal This is a U-shaped profile. The design can withstand large vertical loads. They are indispensable in construction and mechanical engineering. In any industry, it is necessary for support and reinforcement. Share:
hot rolled parallel; with a slope of internal faces; ordinary accuracy (B); increased rolling (B); bent.
They are useful in any field of activity. The scope depends on their size. 10 is in demand during the installation of columns, walls, bar structures. 14 is used to support load-bearing members. 20 - for strengthening bridges, reinforcing floors of multi-storey buildings. Rolled metal: areas and applications In the modern world, there is practically in any field of construction, industry and economic activity. For example, rolled is necessary in the construction of high-rise buildings, industrial complexes, as well as in the production of machine tools, cars, aircraft, individual furniture. Recently, decorative has become more and more popular. Compositions are made from it, buildings, furniture, and various structures are decorated with it. Products from ferrous and non-ferrous metal are not inferior in demand. They are used as decor not only in private households, but also in offices and parks. Products are also necessary for fastening rails, preventing soil slippage (there is a special type of rolled metal for this - a shunt), water, heat and gas supply to residential buildings and non-residential buildings. Today, not a single branch of human life can do without them. galvanized What is most valued in the market In the world of modern technology, the counter is overflowing with an abundance of details, but the following are in the greatest demand:
sheet metals; beams; pipes; corners.
The buyer always carefully chooses the manufacturer. After all, the price, quality and warranty periods depend on the reputation of the enterprise. Products from China are not always durable, they attract some customers only at a price (below the market). But after the purchase, you may encounter the problem of low-quality goods and lost money. The use of black metal In construction, beams are indispensable in the construction of interfloor ceilings, foundations or bridges. Rebar and channels help in strengthening the supporting structures. It is impossible to do without pipes when laying gas, oil, underwater pipelines, treatment facilities and chimneys. In mechanical engineering, the use of black rolled metal is necessary for the development of steering rods and bearings. Sheet black metal is the basis for the car body and bumpers. Channels are involved in the assembly of the machine, corners - in the design of the main components. In aviation, sheet steel is used in the design of aircraft hulls. Various alloys of rolled metal are necessary for the manufacture of undercarriage and engine parts of aircraft. In shipbuilding, the inner and outer hull of the ship is a corner. The beam and channel reinforce the base of the vessel.Welded pipes are needed to supply fuel, gas, water and steam. Black rolled metal has also found such an application: in the production of household appliances, instrument making and car building.
