Industry

What is tinning? Methods for protecting metal from corrosion

Last modified: 2025-06-01 07:06

Tinning is widely used in industries such as aviation, radio engineering and electrical engineering. Products used for cooking and storing food are also subjected to this process. What is tinning, what is it used for and how this operation is carried out correctly, and we will consider in this article

Mi-8: characteristics, sorties, disasters and photos of the helicopter

Last modified: 2025-01-24 13:01

In our country, initially they did not attach too much importance to the creation of helicopters. What it was connected with is now difficult to find out, but the fact remains: initially, the Red Army received only aircraft, and there’s no need to talk about the national economy

Sheet metal processing: technology and equipment

Last modified: 2025-01-24 13:01

Today, sheet metal is one of the most sought-after materials. Sheet metal processing is a process that allows you to change the characteristics of raw materials and bring them to the desired values. In addition, there are many ways to process

Sewing household overlock: description, characteristics, types, prices

Last modified: 2025-06-01 07:06

In our time, sewing equipment is available to everyone. There are various models of sewing devices on sale that allow you to perform a full cycle of sewing operations at home. One of these machines is a household overlocker

Pipeline connection: methods, details, requirements, control, GOST

Last modified: 2025-01-24 13:01

Today, people actively use the pipeline system. For the high-quality arrangement of such a system, one very important thing is required - a reliable connection of the pipeline. There are many different connection methods. All of them are selected based on various factors, the most important of which is the material used in the production of pipes

How to choose industrial vacuum cleaners without a dust bag

Last modified: 2025-01-24 13:01

The article is devoted to industrial vacuum cleaners without a dust bag. The main selection criteria and the best manufacturers of this equipment are considered

ICE - what is it? Internal combustion engine: characteristics, scheme

Last modified: 2025-01-24 13:01

It would not be an exaggeration to say that most self-propelled devices today are equipped with internal combustion engines of various designs, using various operating principles. In any case, if we talk about road transport. In this article, we will take a closer look at ICE. What it is, how this unit works, what are its pros and cons, you will learn by reading it

Business idea: production of bricks. Technology and installation for the production of bricks

Last modified: 2025-01-24 13:01

You can create your own business that will meet your requirements and also become a source of income. However, in order to obtain high-quality bricks, it is necessary to comply with the technical conditions and adhere to the manufacturing process. The production of bricks at home does not involve the use of expensive equipment. The most important condition is the correct preparation of raw materials

Oxygen cylinders. Proper refueling is the key to he alth and safety

Last modified: 2025-01-24 13:01

One of the most important and dangerous preparations for diving is the correct filling of oxygen cylinders. The article tells how to properly fill oxygen cylinders and why there are cases of explosion of oxygen cylinders

CNC decoding (abbreviations), purpose, principle of operation and control sequence

Last modified: 2025-01-24 13:01

CNC machines have captured the market for the production of any parts. At present, no competitive manufacturer can imagine working without modern high-speed machines

Bolt designation: features, requirements, GOST and decoding

Last modified: 2025-01-24 13:01

The article shows the main types of bolts, their features, designations and requirements for them according to GOST

What are the types of sections

Last modified: 2025-01-24 13:01

In any manufacturing, construction industry, certain images are used to manufacture parts, structures. They represent the view of an object from different points of view and sometimes involve the use of a cut or section technique

Keyed connection. Keyed connections - GOST. Keyway Tolerances

Last modified: 2025-06-01 07:06

Keyed connection is a kind of joining of two collapsible parts. It is important. In this case, the parts are connected using an auxiliary element - keys

Steel support: types, types, characteristics, purpose, installation rules, operation features and applications

Last modified: 2025-01-24 13:01

Steel poles today are most often used as lighting poles. With their help, they equip the lighting of roads, streets, courtyards of residential buildings, etc. In addition, such structures are often used as supports for power lines

Soil stabilization: main steps

Last modified: 2025-01-24 13:01

The article is devoted to the technology of soil stabilization. The features of the stages of this process, as well as the nuances of their implementation are considered

Mineral wool density: classification, advantages and disadvantages, purpose of mineral wool and application

Last modified: 2025-06-01 07:06

Mineral wool is the most popular type of insulation for an apartment or house. Today it is used by everyone, from builders to the owner of the apartment, who wanted to insulate the room. The simplicity of its installation allows you to immediately insulate the entire house (ceiling, walls, floor). We will study the features and characteristics of the named material further in the article

Silver mining: ways and methods, main deposits, leading countries in silver mining

Last modified: 2025-01-24 13:01

Silver is the most unique metal. Its excellent properties - thermal conductivity, chemical resistance, electrical conductivity, high ductility, significant reflectivity and others have brought the metal to be widely used in jewelry, electrical engineering and many other branches of economic activity. For example, mirrors in the old days were made using this precious metal. At the same time, 4/5 of the total produced volume is used in various industries

Combat helicopters are weapons of the 21st century

Last modified: 2025-01-24 13:01

Combat helicopters of the second generation are distinguished by high survivability due to armor and rational layout of vital components, powerful weapons equipped with intelligent fire control systems, and the presence of means that make it difficult to detect them

Main purpose and types of warehouses

Last modified: 2025-01-24 13:01

Warehouse is an integral part of the trading and production process. It performs a number of functions. Depending on the existing conditions and features, certain types of warehouses are distinguished

All about HDPE: what it is, properties and applications

Last modified: 2025-01-24 13:01

Today, HDPE geomembrane is very common, what it is will be described in the article. Modern geomembranes based on polyethylene can have a textured or smooth surface. Among their main characteristics are high waterproofing qualities

High molecular weight polyethylene: description, properties, applications

Last modified: 2025-01-24 13:01

Every day, new materials obtained by artificial means are introduced into the sphere of human activity. One of these is high molecular weight polyethylene, which has become a commercial product since the 50s of the last century, but it is gaining real popularity only now

Geophysical research: types, methods and technologies

Last modified: 2025-01-24 13:01

Geophysical research is used to study rocks in near-wellbore and inter-well space. They are carried out by measuring and interpreting natural or artificial physical indicators of various types. Currently, there are more than 50 geophysical methods

Oxygen sleeve: description, GOST, types and diameter

Last modified: 2025-01-24 13:01

Currently, people are quite actively using various gas or oxygen for their own purposes. Since it is necessary to transport a gaseous substance in a completely sealed environment, hoses have been developed, which are called oxygen hoses

Industrial flotation machines for wastewater treatment: types, device, principle of operation

Last modified: 2025-01-24 13:01

2017 has been declared the year of environmental protection in Russia, and therefore environmental education is one of the tasks for this year. Wastewater generated during the economic activities of enterprises contains a large amount of pollutants in concentrations exceeding the permissible and normative ones. As a rule, we are talking about heavy metals (iron, nickel, copper, lead, mercury, cadmium, etc.), oil products, suspended solids, aluminum, and surfactants. These substances, getting into water bodies, violate the norms

Wastewater from industrial enterprises and methods for their regulation

Last modified: 2025-01-24 13:01

Nature is a constantly evolving, wise, unique, self-healing organism. However, for such a recovery, a certain amount of time must pass. In the conditions of constant anthropogenic attack, nature does not have enough strength and resources to restore itself. Because of this, global environmental problems arise. One of these problems is the pollution of the World Ocean, and, as a result, the lack of clean drinking water in many regions of the world

Metal cutting: methods, equipment and tools

Last modified: 2025-01-24 13:01

Metal cutting is performed in order for the workpiece to acquire the desired shape. To this end, it is necessary to remove the excess. Such manipulation is carried out through the use of different cutting tools on special machines. In mechanical engineering, metal cutting is very important. Indeed, without this process, neither ordinary machines nor other devices can be made

Serial production - what is it? Characteristic

Last modified: 2025-01-24 13:01

Organization of production is carried out using various methods. It is influenced by the technical and economic features of the production of finished products, blanks and semi-finished products. Serial production is one of the production methods that is actively used in many sectors of the national economy

JSC Nevinnomyssky Azot: history, production, contacts

Last modified: 2025-01-24 13:01

JSC Nevinnomyssky Azot is one of the world's leading producers of ammonia and nitrogen fertilizers. Located in the city of Nevinnomyssk, Stavropol Territory. It is the largest Russian enterprise of this profile. Belongs to the international group of companies "EuroChem"

Wind energy in Russia: state and development prospects

Last modified: 2025-01-24 13:01

It is not the first year that the largest countries of the world have been considering, and in some areas are developing in practice and implementing technologies for the development of alternative energy sources. A special place in this direction is occupied by wind energy. In Russia, this industry is still not sufficiently developed to provide a significant share of energy consumption, but the industrial potential, with the proper level of technological support, can fundamentally correct this situation

Aerodynamic testing of ventilation systems. Aerodynamic test methods

Last modified: 2025-01-24 13:01

Aerodynamic tests are carried out by accredited laboratories in accordance with standards and sanitary norms. Why and how ventilation systems are checked, methods of aerodynamic tests in general terms and documentation that is drawn up based on the results of tests - general contractors, customers for the construction of residential and public buildings, specialists from management companies and heads of engineering services of industrial enterprises need to know at least in order to understand which document

American rocket Falcon 9: specifications and photos

Last modified: 2025-01-24 13:01

June 28, 2015 at 17:21 (Moscow time) another launch of the Falcon 9 launch vehicle failed at the Cape Canaveral launch site. The Falcon 9 rocket was prepared by SpaceX, a private US company founded by Elon Musk

Volgograd HPP: general information

Last modified: 2025-06-01 07:06

Volzhskaya HPP is the largest water power plant in the European part of Russia. Currently, it is part of the RusHydro Corporation as a branch. This grandiose building is located between the Traktorozavodsky district of Volgograd and its satellite city called Volzhsky. This HPP belongs to the group of medium-pressure run-of-river stations

Well development: methods, process description, safety. Well repair

Last modified: 2025-01-24 13:01

The article is devoted to the development of wells. The methods, features and nuances of the implementation of this event, as well as security measures and repair work are considered

VVER-1000 steam generator: overview, characteristics, scheme

Last modified: 2025-06-01 07:06

VVER-1000 steam generator: description, maintenance, purpose, features. VVER-1000 reactor: overview, diagram, characteristics, photos

Saratovskaya HPP on the Volga

Last modified: 2025-01-24 13:01

Saratovskaya HPP is one of the ten largest non-nuclear power plants in Russia and Europe. It is an integral part of the Volga-Kama cascade of hydroelectric power stations. 24 hydroelectric units installed at the station make it possible to generate up to 6 billion kWh annually. The average annual figure for the last decade was 5.4 billion kWh

Aspiration is an air purification system in hazardous industries

Last modified: 2025-01-24 13:01

Aspiration is a set of technical means that removes suspended impurities from working areas in order to reduce their concentration, as well as their disposal. In other words, it is created so that people breathe easily, and production does not cause harm to the environment

Seamless pipes - characteristics and applications

Last modified: 2025-01-24 13:01

Seamless pipes are one of the main elements in the construction of industrial and building communication systems. Due to the absence of seams in the design of such parts, we can say that they are among the most durable of their kind. As practice shows, seamless pipes are indeed characterized by increased resistance to physical and mechanical stress, and therefore have high performance characteristics

Novokuibyshevsk Oil Refinery. History and activities of the company

Last modified: 2025-01-24 13:01

The oil industry is the basis for the successful development of the Russian economy. Much depends on the development of technologies and the timely modernization of plant capacities. Novokuibyshevsk Refinery is an example of an enterprise where each of these areas of activity is traditionally given exceptional attention

Spring steel: description, characteristics, brand and reviews

Last modified: 2025-01-24 13:01

Spring steel has found its wide application in auto and tractor construction. This steel is used to create parts such as springs. Features and benefits of the material. How to harden such a metal?

Casting mold: features, technology, types

Last modified: 2025-01-24 13:01

One of the most important processes in the industry is the process of casting various parts, raw materials and other things. However, in order to successfully produce the desired thing, it is necessary to make a mold for it, which largely determines the final result

Gorky Automobile Plant (GAZ): the history of the plant and cars, features and interesting facts

Last modified: 2025-01-24 13:01

Among Russian cities there are many whose history is inextricably linked with the functioning of large automobile enterprises. These are, for example, Naberezhnye Chelny and Tolyatti. Nizhny Novgorod is also on this list. The Gorky Automobile Plant (GAZ) is located here

Four-stroke engine duty cycle - features, diagram and description

Last modified: 2025-01-24 13:01

Car enthusiasts need to know how an engine works and works. Most cars have a four-stroke, four-cylinder engine. Let's look at the duty cycle of a four-stroke engine. Not everyone knows what processes occur when the car is in motion

Arzamas Engineering Plant: history, description, products

Last modified: 2025-01-24 13:01

JSC "Arzamas Machine-Building Plant" (AMZ) occupies a unique position among all enterprises of the defense sector of the country. This is the only large-scale production of wheeled armored personnel carriers of all stripes in the Russian Federation. Its workshops produce both the legendary BTR-80, which is the shield and sword of motorized rifle units, and ultra-modern armored off-road vehicles of the Tiger class. In general, the model range includes dozens of modifications of the most diverse military and fire vehicles

Leading producers of Orel and the Oryol region

Last modified: 2025-01-24 13:01

Industry of the Oryol region is mainly represented by six industries: food, construction, textile, machine building, metallurgical and electrical engineering. The largest manufacturing plants in Orel and the Oryol region are Gamma, Dormash, Proton-Electrotex, Oryol Steel Rolling Plant, Oreltekmash and others

Additives "Suprotek" for manual transmission. Why choose them?

Last modified: 2025-01-24 13:01

To increase the durability of the gearbox, drivers use various methods - regularly carry out maintenance or operate their "iron horse" in a gentle mode. But the most effective way of protection is the use of special compositions "Suprotek" for manual transmission, which are special tribotechnical compositions

Fluxed wire: types, selection, specifications, nuances of welding work and application features

Last modified: 2025-01-24 13:01

Today, there are many welding technologies. Each of them has its own specifics and advantages, and therefore is used only in certain conditions. At present, automatic welding with flux-cored wire is quite often used

SAU "Acacia". Self-propelled howitzer 2S3 "Acacia": specifications and photos

Last modified: 2025-01-24 13:01

"Acacia" - 152-mm self-propelled howitzer (GABTU index - object 303). Developed by a team of designers of the Ural Transport Engineering Plant under the leadership of F.F. Petrov and G.S. Efimov. SAU 2S3 "Acacia" is designed to destroy and suppress mortar and artillery batteries, enemy manpower, fire weapons, tanks, rocket launchers, tactical nuclear weapons, command posts and other

Reviews: Yamal LNG, Russian gas company

Last modified: 2025-01-24 13:01

Reviews about Yamal LNG and the construction process of the complex were spoken with admiration, and now, after loading and sending the first tanker with liquefied gas to consumers, enthusiastic impressions go off scale. The Russian gas company Yamal LNG has done the impossible - cut a window from the harsh Arctic latitudes of Russia to the Asia-Pacific region and Europe

Thermal conductivity of concrete: features, coefficient and table

Last modified: 2025-01-24 13:01

The thermal conductivity of concrete is determined by special formulas. For different types of material, this indicator may be different. Lightweight concrete retains heat better, heavy concrete worse

Production of insulin in Russia

Last modified: 2025-01-24 13:01

The current situation with the production of insulin in Russia and the possibility of replacing import supplies of the drug. Description of recent developments in the domestic industry and planned progress. Technologies for the production of insulin in Russia and product quality control. Advantages and features of the domestic production of the drug. Types of insulin that are planned to be manufactured on an industrial scale. The future of Russian production of this drug

Casting in silicone mold: equipment. Vacuum casting in silicone molds

Last modified: 2025-01-24 13:01

For the manufacture of a small number of plastic blanks, vacuum casting into silicone molds is most often used. This method is quite economical (making a metal mold requires more time and money). In addition, silicone molds are used repeatedly, and this also significantly reduces the cost of production

How to cook stainless steel? Welding technology, equipment

Last modified: 2025-01-24 13:01

How to cook stainless steel is a rather relevant question for modern industry. It is worth noting that this type of steel is a fairly durable material, so its processing has certain nuances. The choice of welding method depends on the thickness of the workpieces and on the chemical composition

Three-phase network: power calculation, connection diagram

Last modified: 2025-01-24 13:01

When properly designed and maintained, a three-phase network is ideal for a private home. It allows you to evenly distribute the load across the phases and connect additional power consumers, if the wiring section allows

Combat helicopter Mi-35M: history, description and characteristics

Last modified: 2025-01-24 13:01

Mi-35M is an export version of the Russian Mi-24VM combat helicopter, which is a modification of the famous Soviet rotorcraft. Soviet pilots called it a "flying tank" by analogy with the Il-2 attack aircraft known during the Second World War

Building minerals. Mining methods

Last modified: 2025-01-24 13:01

Organic and mineral formations of the earth's crust are minerals. In most cases, the chemical composition, as well as physical properties, allow them to be used in production

Igneous rocks: list, mining methods, application

Last modified: 2025-01-24 13:01

Igneous (igneous) rocks owe their formation to magma, after it erupted from the bowels of the Earth, cooled and solidified. They represent the earth's crust by 90 percent or more. And the entire earth's surface is sedimentary and igneous rocks. Into the depths of the Earth extend almost 15 km

Steel 40x13: characteristics, application, reviews

Last modified: 2025-01-24 13:01

Today, the variety of brands has become enormous. This is mainly due to the fact that it is, in principle, unrealistic to create an alloy that will be ideally suited for any purpose. Therefore, each material is prepared for specific purposes

Browning machine gun: description, characteristics, photo

Last modified: 2025-06-01 07:06

The Browning heavy machine gun is one of the few small guns that remains in service with the US Army to this day, having undergone minor modifications. It will be discussed in this article

"Browning M1918": description, specifications and reviews

Last modified: 2025-06-01 07:06

Browning M1918 BAR: description, features, application, design. Browning M1918: characteristics, reviews, photos. Combat revolver FN Browning: options

Utilization of oil sludge, removal and processing of oily waste

Last modified: 2025-01-24 13:01

Oil refineries strive to optimize their technological processes as much as possible, reducing the volume of unused production products. But the thinner and deeper the processing of petroleum feedstock, the more dangerous the waste produced, which cannot be eliminated without third-party methods. One of the areas of recycling can be called the disposal of oil sludge as one of the most dangerous types of oily waste

Gas pumping units: description, device, principle of operation, reviews

Last modified: 2025-01-24 13:01

From primary production to direct use, gas mixtures go through several technological stages. To optimize transportation and intermediate storage between these processes, the raw material is subjected to compressor compression. Technically, similar tasks are implemented by gas compressor units (GPU) at different nodes of backbone networks

Steel St3sp: decoding, composition, application

Last modified: 2025-01-24 13:01

Steel St3sp or any other is an alloy that consists of components such as carbon, iron, impurities. It is important to know here that the amount of iron should be at least 45%

Oil pumping station: design, equipment

Last modified: 2025-01-24 13:01

The article is devoted to oil pumping stations. Consideration was given to carrying out design work for stations, technological equipment, etc

What is an electrical substation? Electrical substations and switchgear

Last modified: 2025-01-24 13:01

Trams and trolleybuses require voltage not alternating, but constant. This means that a separate very powerful substation is needed. Electrical energy is converted on it, that is, it is rectified

What types of steel exist and how to process it

Last modified: 2025-01-24 13:01

Without the discovery of steel, its properties and processing methods, modern civilization would not exist. Since ancient times, some types of steel have been known that were used for the production of weapons and tools. With the development of metallurgy and metalworking technology, this material began to be used in almost any field of human activity

Oxygen converter: device and steelmaking technology

Last modified: 2025-01-24 13:01

In the processes of obtaining high-strength steels, alloying operations and modification of the base composition play an important role. The basis of such procedures is the technique of adding metal impurities of various properties, but gas-air regulation is also of no small importance. It is this technological operation that focuses on the operation of the oxygen converter, which is widely used in metallurgy in the production of steel alloys in large volumes

Gas corrosion: definition, features and ways to solve the problem

Last modified: 2025-01-24 13:01

Many industries and construction use technological methods involving gas mixtures. This can be, for example, the processing of parts under propane burners or the formation of protective environments during welding to isolate the workpiece from oxygen. Under certain conditions, such processes can provoke gas corrosion - in particular, at elevated temperature or pressure

Heat treatment of alloys. Types of heat treatment

Last modified: 2025-01-24 13:01

Heat treatment of alloys is an integral part of the production process of ferrous and non-ferrous metallurgy. As a result of this procedure, metals are able to change their characteristics to the required values. In this article, we will consider the main types of heat treatment used in modern industry

Steel: composition, properties, types and applications. Composition of stainless steel

Last modified: 2025-01-24 13:01

Today, steel is used in the vast majority of industries. However, not everyone knows that the composition of steel, its properties, types and applications are very different from the production process of this product

Aluminum (sulfate, or sulfate) - a brief description, areas of use

Last modified: 2025-01-24 13:01

Aluminum sulfate (colloquial, correctly - aluminum sulfate) is a complex inorganic substance. It is white s alt with a characteristic bluish tint (let's say pink). The crystalline hydrate is colorless. Hygroscopic. Dissolves fairly quickly in water

Solid-state laser: principle of operation, application

Last modified: 2025-01-24 13:01

This article shows what are the sources of monochromatic radiation and what advantages a solid-state laser has over other types. Here it is described how the generation of coherent radiation occurs, why the pulsed device is more powerful, why engraving is needed. It also discusses the three mandatory elements of the laser and the principle of its operation

Mutnovskaya GeoPP is the largest geothermal power plant in Russia

Last modified: 2025-01-24 13:01

Mutnovskaya GeoPP is the most important facility for the country, commissioned in the early 2000s. A third of all electricity currently consumed in Kamchatka is supplied to the peninsula's system by this particular station

Cold workshop: description, characteristics. Organization of the work of the cold shop

Last modified: 2025-01-24 13:01

In restaurants, cafes, canteens with a workshop production structure, special rooms are allocated for the preparation of hot and cold dishes. At low-capacity enterprises, separate places are created for these purposes in the general production space

Steel burnishing

Last modified: 2025-01-24 13:01

What is steel bluing? What is this process for? What are known methods of bluing? Is it possible to crow at home?

Stamping is a metalworking process. Types of stamping and equipment

Last modified: 2025-01-24 13:01

The technological process in which workpieces are processed, which makes it possible to obtain flat or voluminous finished products of various shapes and sizes, is stamping. The working tool for this purpose is a stamp, which is fixed on a press or other equipment. Stamping is two types of technology that, depending on the conditions, are performed in a hot or cold way, and therefore both equipment and technological standards differ from each other

Sheet stamping of parts: technologies and features of the process

Last modified: 2025-01-24 13:01

The article is devoted to sheet metal stamping. The features of this process, the advantages of the technology, the equipment used, etc. are considered

Magnetic flaw detectors: device and application. Unbrakable control

Last modified: 2025-01-24 13:01

The article is devoted to magnetic flaw detectors. The device of devices, varieties, as well as the technology of application are considered

Lathes 1K62: device, characteristics, repair and operation

Last modified: 2025-01-24 13:01

1K62 lathes are reliable and productive devices designed mainly for use in individual and small-scale production. They can be used for processing parts made of various structural materials: non-ferrous and ferrous metals, cast iron, etc

Machine for metal processing: device, principle of operation, specifications

Last modified: 2025-01-24 13:01

Metalworking machine is an equipment that today has many types, and is also the most widely used. Such a distribution of these units was due to the fact that today people produce a huge number of things from metal. And for successful work, raw materials must be processed correctly

What is a lathe chuck?

Last modified: 2025-01-24 13:01

The rapid development of the metalworking industry is hardly imagined without the constant improvement of the machine tools used. After all, the tools used depend on how quickly the parts will be sharpened, the quality of the finished product and the observance of geometry

The main types of machine tools in production

Last modified: 2025-01-24 13:01

The article is devoted to production machines. The most popular types of such equipment, their features, etc. are considered

Tanks for storing oil and oil products: classification, varieties, sizes

Last modified: 2025-01-24 13:01

Modern refineries and fuel-producing enterprises actively use special tanks for storing oil and oil products. It is these containers that provide quantitative and qualitative safety. After reading this article, you will learn about the existing varieties of such storages

Types of metal cutting: an overview of modern technologies and equipment

Last modified: 2025-06-01 07:06

One of the most common metalworking operations is cutting. It is a technological process during which a sheet or billet is divided into parts of the desired format. Modern types of metal cutting allow this operation to be performed with high accuracy and a minimum amount of scrap

Cleaning oil storage tanks: instructions

Last modified: 2025-01-24 13:01

The article is devoted to the cleaning of oil storage tanks. The instruction for the phased implementation of this work is considered

What is surface hardening of steel? What is surface hardening used for?

Last modified: 2025-01-24 13:01

The present article is addressed to people who are far from metallurgy, amateurs who are interested in how strength differs from a good blade in an ordinary table or folding knife, surface hardening from bulk hardening, and similar issues

Synthetic gasoline: description, characteristics, performance, production methods

Last modified: 2025-01-24 13:01

Science and progress allow you to create things that have never been seen before, which many could not even think of. Take, for example, such a relatively new development as synthetic gasoline. Many people know that this fuel is obtained by distillation from oil. But it can also be synthesized from coal, wood, natural gas. The production of synthetic gasoline, although it cannot fully replace the conventional route of production, still deserves to be studied

Steel R6M5: characteristics, application

Last modified: 2025-01-24 13:01

The alloy of an element of the eighth group of the periodic system of Mendeleev with atomic number 26 (iron) with carbon and some other elements is commonly called steel. It has high strength and hardness, devoid of plasticity and viscosity due to carbon. Alloying elements increase the positive characteristics of the alloy. However, steel is considered to be a metallic material that contains at least 45% iron

Asph alt density. Asph alt composition, GOST, grades, characteristics

Last modified: 2025-06-01 07:06

The density of asph alt is 1.1 g/cm³. The melting point can vary from 20 to 100 °C. The composition contains oil in a volume of 25 to 40%, as well as a resinous-asph altene substance, which can be contained in a volume of 60 to 75%

Description of poured asph alt technology

Last modified: 2025-01-24 13:01

What is poured asph alt? How is it produced, what is included in the components and where is it used? All these questions will be answered by this article

Marking of bronze: characteristics, properties and scope

Last modified: 2025-01-24 13:01

Due to its decorative features and many other properties, bronze has become popular. It is very difficult even for connoisseurs to name all the impurities and additives that are present in bronze alloys. This article will focus on bronze and its marking

Frequency converters: features of using and choosing a device

Last modified: 2025-01-24 13:01

Frequency converters make it possible to get exactly the flow of electricity that is needed for your equipment

What is rubber vulcanization?

Last modified: 2025-01-24 13:01

Synthetic or natural substance with elasticity properties, electrical insulating characteristics and water resistance is called rubber. Vulcanization of such a substance by carrying out reactions involving certain chemical elements or under the influence of ionizing radiation leads to the formation of rubber

Mineral glass and products from it

Last modified: 2025-01-24 13:01

Mineral glass is quartz sand of natural origin in molten form, which includes various additives. It has properties such as radiation resistance and strength, abrasion resistance, as well as excellent optical qualities

Organizational structure of Russian Railways. Scheme of the management structure of Russian Railways. Structure of Russian Railways and its divisions

Last modified: 2025-01-24 13:01

The structure of Russian Railways, in addition to the management apparatus, includes various dependent divisions, representative offices in other countries, as well as branches and subsidiaries. The head office of the company is located at: Moscow, st. New Basmannaya d 2