COPPER and COPPER ROLL

Brands and chemical composition technical copper

Copper grades and their chemical composition are defined in GOST 859-2001. abbreviated information on copper grades is given below (the minimum content of copper and the maximum content of only two impurities - oxygen and phosphorus are indicated):

brand	Copper	About 2	P	Production method, main impurities
M00k	99.98	0.01	-	Copper cathodes: electrolytic refining product,final stage of processingcopper ore.
M0k	99.97	0.015	0.001
M1k	99.95	0.02	0.002
M2k	99.93	0.03	0.002
M00	99.99	0.001	0.0003	Remelting cathodes in a vacuuminert or reducing atmosphere.Reduces oxygen content.
М0	99.97	0.001	0.002
M1	99.95	0.003	0.002
M00	99.96	0.03	0.0005	Remelting cathodes in a normal atmosphere.Increased oxygen content.No phosphorus
М0	99.93	0.04	-
M1	99.9	0.05	-
M2	99.7	0.07	-	Smelter. Increased oxygen content, no phosphorus
M3	99.5	0.08	-
M1f	99.9	-	0.012 - 0.04	Remelting cathodes and copper scrap with phosphorus deoxidation.Decreases the oxygen content, but leads toto higher phosphorus content
M1r	99.9	0.01	0.002 - 0.01
M2r	99.7	0.01	0.005 - 0.06
M3r	99.5	0.01	0.005 - 0.06

The first group of grades refers to cathode copper, the rest reflect the chemical composition of various copper semi-finished products (copper ingots, wire rod and products from it, rolled products).

Specific Features copper, inherent in different grades, are determined by the absence of copper (differences are no more than 0.5%), but by the content of specific impurities (their amount can vary by 10 - 50 times). The classification of copper grades by oxygen content is often used:

Oxygen-free copper (M00 , M0 and M1 ) with oxygen content up to 0.001%.

Refined copper (M1f, M1r, M2r, M3r) with oxygen content up to 0.01%, but with

high phosphorus content.

High purity copper (M00, M0, M1) with an oxygen content of 0.03-0.05%.

Copper general purpose(M2, M3) with oxygen content up to 0.08%.

Approximate the correspondence of copper grades produced according to different standards is given below:

GOST	EN, DIN
M00	CuOFE
М0	Cu-PHC, OF-Cu
M1	Cu-OF , Cu-OF1
M1	Cu-ETP, Cu-ETP1, Cu-FRTP, Cu-FRHC, SE-Cu, E-Cu, E-Cu57, E-Cu58
M1f	Cu-DHP, SF-Cu
M1r	Cu-DLP, SW-Cu

Different grades of copper have different applications, and differences in the conditions of their production determine significant price differences.

For the production of cable and wire products, cathodes are remelted according to a technology that excludes the saturation of copper with oxygen during the manufacture of products. Therefore, copper in such products corresponds to the grades M00, M0 , M1 .

The requirements of most technical tasks are satisfied by the relatively cheap brands M2 and M3. This determines the mass production of the main types of rolled copper from M2 and M3.

Rolled products from the M1, M1f, M1r, M2r, M3r brands are produced mainly for specific consumers and are much more expensive.

Physical properties of copper

The main property of copper, which determines its predominant use, is a very high electrical conductivity (or low electrical resistivity). Impurities such as phosphorus, iron, arsenic, antimony, tin significantly worsen its electrical conductivity. The value of electrical conductivity is significantly affected by the method of obtaining a semi-finished product and its mechanical state. This is illustrated in the table below:

Electrical resistivity of copper for various semi-finished products of different brands (guaranteed values) at 20 ° C.

µOhm*m	brand	Type and condition of the semi-finished product	GOST, TU
0.01707	M00	Ingots (continuous vertical casting)	193-79
	M00	Wire rod class A (oxygen : 0.02-0.035%)	THAT 1844 010 03292517 2004
0.01718		Wire rod class B (oxygen: 0.045%)
0.01724		Wire rod class C (oxygen: 0.05%)
			193-79
		Ingots (horizontal casting)
0.01748		Ribbons	1173-2006
		Annealed bars	1535-2006
0.01790		Bars semi-hard, hard, pressed

Differences in the resistance of wire rod grades M00, M0 and M1 are due to different amounts of impurities and amount to about 1%. At the same time, differences in resistance due to different mechanical conditions reach 2–3%. The resistivity of products made of copper grade M2 ​​is approximately 0.020 μOhm * m.

The second most important property of copper is its very high thermal conductivity.

Impurities and alloying additives reduce the electrical and thermal conductivity of copper, so copper-based alloys are significantly inferior to copper in these indicators. The values ​​of the parameters of the main physical properties of copper in comparison with other metals are given in the table (data are given in two different systems units of measurement):

Indicators at	Unit measurements	Copper	Alu- minii	Brass L63, BOS	Bronze BRAZH	Steel 12X18H10
specific electrical resistance,	µOhm * m	0.0172 – 0.0179	0.027- 0.030	0.065	0.123	0.725
Thermal conductivity,	cal/cm * s * deg	0.93	0.52	0.25	0.14	0.035
	W/m *deg	386 - 390

In terms of electrical and thermal conductivity, copper is slightlysecond only to silver.

The influence of impurities and features of the properties of copper of various grades

Differences in the properties of copper of different grades are associated with the influence of impurities on the basic properties of copper. On the effect of impurities on physical properties(thermal and electrical conductivity) was discussed above. Let's consider their influence on other groups of properties.

Influence at mechanical properties .

Iron, oxygen, bismuth, lead, antimony impair plasticity. Impurities poorly soluble in copper (lead, bismuth, oxygen, sulfur) lead to brittleness at high temperatures.

The recrystallization temperature of copper for different grades is 150-240 o C. The more impurities, the higher this temperature.A significant increase in the recrystallization temperature of copper gives silver, zirconium. For example, the introduction of 0.05% Ag increasesrecrystallization temperature twice, which manifests itself in an increase in the softening temperature and a decrease in creep at high temperatures, and without loss of thermal and electrical conductivity.

Impact on technological properties .

Technological properties include 1) the ability to process by pressure at low and high temperatures, 2) solderability and weldability of products.

Impurities, especially fusible, form brittle zones at high temperatures, which makes hot working difficult. However, the level of impurities in grades M1 and M2 provide the necessary technological plasticity.

During cold deformation, the influence of impurities is noticeably manifested in the production of wire. For the same tensile strength (? in = 16 kgf/mm 2) wire rods from M00, M0 and M1 grades have different relative elongation? (38%, 35% and 30% respectively). Therefore, class A wire rod (it corresponds to grade M00) is more technologically advanced in the production of wire, especially of small diameters. The use of oxygen-free copper for the production of current conductors is due not so much to the magnitude of the electrical conductivity as to the technological factor.

The processes of welding and soldering are significantly hampered by an increase in the content of oxygen, as well as lead and bismuth.

Influence of oxygen and hydrogen on operational properties .

At normal conditions The operational properties of copper (primarily the durability of operation) are almost the same for different grades. At the same time, at high temperatures, the harmful effect of oxygen contained in copper can appear. This possibility is usually realized when copper is heated in a medium containing hydrogen.

Oxygen is initially contained in copper grades M0, M1, M2, M3. In addition, if oxygen-free copper is annealed in air at high temperatures, then due to oxygen diffusion, the surface layer of the product will become oxygen-containing. Oxygen in copper is present in the form of cuprous oxide, which is localized along the grain boundaries.

In addition to oxygen, copper may contain hydrogen. Hydrogen enters copper during electrolysis or during annealing in an atmosphere containing water vapor. Water vapor is always present in the air. At high temperature it decomposes to form hydrogen, which readily diffuses into copper.

In oxygen-free copper, hydrogen atoms are located in the interstices of the crystal lattice and do not particularly affect the properties of the metal.

In oxygen-containing copper at high temperatures, hydrogen interacts with cuprous oxide. In this case, high-pressure water vapor is formed in the thickness of the copper, which leads to swelling, ruptures and cracks. This phenomenon is known as "hydrogen sickness" or "hydrogen embrittlement". It manifests itself during the operation of a copper product at temperatures above200 o C in an atmosphere containing hydrogen or water vapor.

The degree of embrittlement is the stronger, the greater the oxygen content in copper and the higher the operating temperature. At 200 o Cservice life is 1.5 years, at 400 ° C- 70 hours.

It is especially pronounced in products of small thickness (tubes, tapes).

When heated in vacuum, the hydrogen initially contained in copper interacts with cuprous oxide and also leads to embrittlement of the product and deterioration of the vacuum. Therefore, products that are operated at high temperatures are made from oxygen-free (refined) copper grades M1r, M2r, M3r.

Mechanical properties of rolled copper

Most of the copper rolled products available for free sale are produced from the M2 grade. Rolled steel from the M1 brand is produced mainly on order, in addition, it is about 20% more expensive.

Cold rolled steel- these are drawn (rods, wire, pipes) and cold-rolled (sheets, tape, foil) products. It is available in hard, semi-hard and soft (annealed) states. Such rental is marked with the letter "D", and the state of delivery with the letters T, P or M.

Hot rolled steel- the result of pressing (rods, pipes) or hot rolling (sheets, plates) at temperatures above the recrystallization temperature. Such rental is marked with the letter "G". In terms of mechanical properties, hot-rolled steel is close (but not identical) to cold-rolled steel in a soft state.

Parameters at room temp.
Elastic modulus E , kgf /mm 2	11000	13000
Shear modulus G , kgf /mm 2	4000	4900
Yield strength? 0.2 , kgf /mm 2	5 - 10	25 - 34
Strength limit? in , kgf/mm 2	19 – 27	31 – 42
Relative elongation?	40 – 52	2 - 11
Hardness HB	40 - 45	70 - 110
shear resistance, kgf /mm 2	10 - 15	18 - 21
impact strength,	16 - 18
We are processing. cutting,% to L63-3
fatigue limit? -1 at 100 million cycles

High compressive strength (55 - 65 kgf / mm 2) in combination with high ductility determines the widespread use of copper as gaskets in the seals of fixed joints with operating temperatures up to 250 ° C (pressure 35Kgs \ cm 2 for steam and 100 Kgs \ cm 2 for water).

Copper is widely used in the technology of low temperatures, up to helium. At low temperatures, it retains the strength, ductility and toughness characteristic of room temperature. The most commonly used property of copper in cryogenic engineering is its high thermal conductivity. At cryogenic temperatures, the thermal conductivity of grades M1 and M2 becomes significant, therefore, in cryogenic technology, the use of grade M1 becomes fundamental.

Copper bars are produced pressed (20 - 180 mm) and cold-formed, in solid, semi-solid and soft states (diameter 3 - 50 mm) according to GOST 1535-2006.

flat copper general purpose is produced in the form of foil, tape, sheets and plates in accordance with GOST 1173-2006:

Copper foil - cold rolled: 0.05 - 0.1 mm (only available in solid state)

Copper strips - cold rolled: 0.1 - 6 mm.

Copper sheets - cold rolled: 0.2 - 12 mm

Hot rolled: 3 - 25 mm (mechanical properties are regulated up to 12 mm)

Copper plates - hot rolled: over 25 mm (mechanical properties are not regulated)

Hot-rolled and soft cold-rolled copper sheets and strips pass the bending test around a mandrel with a diameter equal to the thickness of the sheet. With a thickness of up to 5 mm, they withstand bending until the sides touch, and with a thickness of 6 - 12 mm - until the sides are parallel. Cold rolled semi-rigid sheets and strips withstand a 90 degree bend test.

Thus, the permissible bending radius of copper sheets and tapes is equal to the thickness of the sheet (tape).

The depth of extrusion of tapes and sheets by a punch with a radius of 10 mm is at least 7 mm for sheets with a thickness of 0.1-0.14 mm and at least 10 mm for sheets with a thickness of 1-1.5 mm. According to this indicator (squeezing out), copper is inferior to brasses L63 and L68.

Copper pipes general purpose are made cold-formed (in soft, semi-solid and solid states) and pressed (large sections) in accordance with GOST 617-2006.

Copper pipes are used not only for process fluids, but also for drinking water. Copper is inert to chlorine and ozone, which are used to purify water, inhibits the growth of bacteria, and when water freezes, copper pipes deform without breaking. Copper pipes for water are produced in accordance with GOST R 52318-2005, the content of organic substances on the inner surface is limited for them. The minimum bending radii and allowable pressures for soft copper pipes are given below:

Pipe size, mm	Permissible pressure, bar	Bending radius, mm	Pipe size	Permissible pressure, bar
			inches (mm)
			1/4” (6.35*0.8)
10*1			3/8” (9.52*0.8)
12*1			1/2” (12.7*0.8)
14*1	90	52
16*1		60	5/8” (15, 87*1)
18*1			3/4” (19,05*1)
20*1	60	75
22*1		80	7/8” (22.22*1)

Corrosion properties of copper .

At normal temperatures copper stable in the following environments:

dry air

Fresh water (ammonia, hydrogen sulfide, chlorides, acids accelerate corrosion)

In sea water at low water velocities

In non-oxidizing acids and salt solutions (in the absence of oxygen)

Alkaline solutions (except ammonia and ammonium salts)

Dry halogen gases

Organic acids, alcohols, phenolic resins

Copper unstable in the following environments:

Ammonia, ammonium chloride

Oxidizing mineral acids and acid salt solutions

The corrosive properties of copper in some environments noticeably worsen with an increase in the amount of impurities.

contact corrosion.

Contact of copper with copper alloys, lead, tin in a humid atmosphere, fresh and sea water is allowed. At the same time, contact with aluminum and zinc is not allowed due to their rapid destruction.

Weldability of copper

The high thermal and electrical conductivity of copper makes its electric welding (spot and roller) difficult. This is especially true for massive products. Thin parts can be welded with tungsten electrodes. Parts with a thickness of more than 2 mm can be welded with a neutral oxy-acetylene flame. A reliable way to connect copper products is soldering with soft and hard solders. For details on copper welding, see www.weldingsite.com.ua

copper alloys

Technical copper has low strength and wear resistance, poor casting and anti-friction properties. Copper-based alloys are deprived of these shortcomings -brass And bronze . True, these improvements are achieved due to the deterioration of thermal and electrical conductivity.

There are special cases when it is necessary to maintain the high electrical or thermal conductivity of copper, but to give it heat resistance or wear resistance.

When copper is heated above the recrystallization temperature, a sharp decrease in the yield strength and hardness occurs. This makes it difficult to use copper in resistance welding electrodes. Therefore, for this purpose, special copper alloys with chromium, zirconium, nickel, cadmium (BrKh, BrKhTsr, BrKN, BrKd) are used. Electrode alloys retain relatively high hardness and satisfactory electrical and thermal conductivity at temperatures of the welding process (about 600C).

Heat resistance is also achieved by alloying with silver. Such alloys (MA) have lower creep at a constant electrical and thermal conductivity.

For use in moving contacts (collector plates, contact wire), copper with a low level of alloying with magnesium or cadmium BrKd, BrMg is used. They have increased wear resistance with high electrical conductivity.

For crystallizers, copper with additions of iron or tin is used. Such alloys have high thermal conductivity with increased wear resistance.

Low-alloy copper grades are essentially bronzes, but they are often referred to the group of rolled copper with the appropriate marking (MS, MK, MF).

Attach files

Copper M3 - hard, soft, pressed

The MPStar company sells bushings, round bars, strips, sheets, pipes and strips made of copper alloy M3 at the lowest prices in stock. All types of products are manufactured in accordance with the relevant state standards. If necessary, we sell in pieces / blanks. We also provide accompanying services for metalworking, packaging, storage and delivery of goods to various regions of Russia.

We will provide you with a comfortable full cycle service. Flexible system of discounts. Shipment of paid goods within one day. We will deliver to the regions in 2-3 days. Our fleet of vehicles - free shipping to the terminal of the transport company.

Characteristics and chemical composition of the alloy

Copper alloy M3 is produced in accordance with GOST 859-2001. The composition of this material includes 99.5% copper, as well as other substances: iron (0.05%), arsenic (0.01%), nickel (0.2%), sulfur (0.01%), lead ( 0.05%), oxygen (0.08%), bismuth, tin and antimony (0.1% in total). It is a highly ductile material with good corrosion resistance. It is well handled and is part of production process for many other metals. At the same time, the M3 alloy is characterized by a low price tag.

The key alloying elements here are nickel, lead and tin. By technical parameters Distinguish between hard and soft copper. This alloy is used mainly in the automotive and aircraft industries, as well as in instrument making.

Copper is one of the most common non-ferrous metals. It has high anti-corrosion properties both under normal atmospheric conditions and in fresh and sea water and other aggressive environments. However, copper is not stable in ammonia and sour gases.

Copper is easy to process by pressure and soldering. Possessing low casting properties, copper is difficult to cut and poorly welded. In practice, copper is used in the form of bars, sheets, wire, busbars and pipes.

Oxygen-free M0 (0.001% O 2) and deoxidized M1 (0.01% O 2) copper is widely used in electronics, vacuum technology, and in the electrical industry.

Copper comes in different grades: M00, M0, M1, M2 and M3. Copper grades are determined by the purity of its content.

Copper grade
Percentage of copper

Copper grades M1r, M2r and M3r contain 0.01% oxygen and 0.04% phosphorus. In the composition of copper grades M1, M2 and M3, the percentage of oxygen is 0.05-0.08%.

Mark M0b is characterized by the complete absence of oxygen. The percentage of oxygen in grade MO is up to 0.02%.

How do impurities affect the properties of copper

Depending on how impurities interact with copper, they are divided into three groups:

· Impurities that form solid solutions with copper - nickel, antimony, aluminum, zinc, iron, tin, etc. These impurities have a significant effect on the electrical and thermal conductivity of copper, reducing them. In view of this, copper M0 and M1 are used as current conductors, which include no more than 0.002 As and 0.002 Sb. Hot working pressure is difficult if it contains antimony.

· Impurities that practically do not dissolve in copper - bismuth, lead, etc. They practically do not affect the electrical conductivity of copper, but make it difficult to process it with pressure.

· Brittle chemical compounds formed in the impurity of copper with sulfur and oxygen. Oxygen, which is part of copper, significantly reduces its strength and reduces electrical conductivity. Sulfur improves the machinability of copper by cutting.

BRONZE

Bronze is an alloy of copper with aluminum, silicon, tin, beryllium and other elements except zinc. Bronzes are aluminum, silicon, tin, beryllium, etc. – depending on the alloying element.

Bronze marking is a certain sequence, starting with the letter combination "Br", after which the alloying elements are indicated. Alloying elements are listed starting with the element with the highest percentage relative to the others.

All bronzes are divided into tin and tinless

Tin bronzes

Tin bronzes are used in chemical industry and as anti-friction materials due to high anti-corrosion and anti-friction properties.

Alloying elements of tin bronzes are phosphorus, zinc, nickel. Zinc, which is part of tin bronzes in an amount of up to 10%, serves to reduce the cost of bronzes. Phosphorus and lead increase the antifriction properties of bronze and improve their machinability.

Cast tin bronzes are used:

· Deformed bronzes - BrOF6.5-0.4; BrOC4-3; BrOTsS4-4-2.5 - used as springs, anti-friction parts, membranes

· Casting bronzes - BrO3Ts12S5, BrO3Ts12S5, BrO4Ts4S17 - are used in antifriction parts, general purpose fittings

Tinless bronzes- these are double or multicomponent bronzes without tin, which include such elements as manganese, aluminum, lead, iron, nickel, silicon, beryllium.

Aluminum bronzes have high technological and mechanical properties, corrosion resistance in tropical climates and in sea water. For deep stamping, single-phase bronzes are used in practice, two-phase bronzes are used in the form of shaped castings and are subjected to hot deformation.

Aluminum bronzes, having lower casting properties compared to tin bronzes, contribute to a higher density of castings.

Silicon bronzes. Silicon, which is part of bronze (up to 3.5%), increases its plasticity and strength. In combination with manganese and nickel, the corrosion and mechanical properties of silicon bronzes increase. They are widely used in aggressive environments, for the manufacture of spring parts that must operate at temperatures up to 2500 ° C.

beryllium bronze have high strength due to heat treatment. They are characterized by high characteristics of elasticity, yield strength and tensile strength, resistant to corrosion. They are used in electronic engineering, for spring contacts, membranes, wear parts.

Lead bronzes are alloys consisting of the inclusion of lead, which is practically insoluble in copper, and copper crystals. The high antifriction properties of lead bronzes make it possible to use them for the manufacture of parts that operate at high speeds and high pressures (sliding bearing shells). Due to the high thermal conductivity, lead bronze BrS30 contributes to the removal of heat that occurs during friction.

Bronzes alloyed with tin and nickel are characterized by increased corrosion and mechanical properties.

Tinless bronzes are used:

Aluminum bronzes - BrAZh9-4, BrAZhN10-4-4, BrA9Zh3L, BrA10Zh3Mts2 - are used for pressure treatment, as parts of chemical equipment, fittings and anti-friction parts

· Silicon bronzes - BrKMts3-1 - are applied as a wire to springs, tapes, fittings

Beryllium bronze - BrB2 - used as rods, wires for springs, tapes, strips

· Lead bronze - BrS30 - is applied in antifrictional details

BRASS

An alloy of copper and zinc, the percentage of zinc in which ranges from 5 to 45%, is called brass. Brass, which includes 2-20% zinc, is called tompak or red brass. If the zinc content is 20-36%, then such brass is called yellow. Brass, with more than 45% zinc in its composition, is used extremely rarely.

Brass classification:

Simple (two-component) - alloys that consist of zinc and copper with minor impurities of other elements;

· Special (multi-component) brass in its composition, in addition to copper and zinc, include a number of other alloying elements.

Plain brass

Two-component brasses are indicated by the capital letter "L", followed by a two-digit figure that determines the average percentage of copper in the alloy (L80-brass, which includes 80% copper and 20% zinc).

The classification of simple brasses is shown in the table:

Plain brasses are easy to work with pressure. Usually, they are supplied in the form of pipes and tubes, differing in sectional shape, in the form of tapes, strips, wires, sheets. Brass products with high internal stress are prone to cracking, which can be avoided by annealing at low temperatures (200-300°C) before long-term storage.

Special brass

Multi-component brasses are presented in a larger variety than simple ones.

The marking of special brasses begins with the capital letter "L", after which the sequence of alloying elements of the alloy (with the exception of zinc) and their percentage are indicated, starting with the element predominant in the alloy. The amount of zinc is determined according to the difference from 100%.

Brass alloying elements, among which the main ones are silicon, manganese, lead aluminum, iron and nickel, have a significant impact on the properties of brass:

· Tin increases the strength and corrosion resistance of brass in sea water;

· Manganese (especially in combination with tin, iron and aluminum), as well as nickel, increase the resistance of the alloy to corrosion and its strength;

Lead, which is part of the alloy, worsens its mechanical properties, while providing ease of cutting, so brass, which require further processing using automatic machines, have lead as the main alloying element;

Special brass applied:

Deformable brass LAZH60-1-1 is used as bars, pipes, LZhMts59-1-1 and LS59-1 as pipes, bars, strips, wire

· Casting brass LTs40Mts3Zh are used in parts that are complex in their configuration, propellers and blades, etc.; LTS30A3 - parts resistant to corrosion; LTs40S have found application in fittings, separators of linear bushings, etc.

The KuPrum company offers wholesale and retail copper sheet M3, corresponding to GOST 859-2001. We sell copper sheets made by cold and hot rolling:

• cold-rolled copper sheets in the form of rolls;
• hot-rolled sheets up to 10 meters long.

We have affordable prices for sheet copper and comfortable service for each customer. If necessary, our specialists will arrange the delivery of the material to any Russian region.

Features of copper sheet M3

Sheet copper M3 made of copper alloy, which contains 99.5% technical copper and 0.5% impurities of nickel, iron, bismuth, sulfur, lead, tin, arsenic and oxygen. The impurities included in the alloy provide the M3 sheet with excellent alloying qualities, corrosion resistance and good ductility. In this regard, the material is perfectly processed, soldered and tinned.

Areas of use of copper sheet M3

The main feature of the M3 copper sheet is its low price, due to the fact that it is made as a result of fire refining or remelting of technical copper scrap. Therefore, sheet copper is widely used in the production of parts for aircraft and automobiles, in instrument making, in electrical engineering, in metallurgy and in design. In addition, it is in demand in the manufacture of semi-finished products necessary for the production of various kitchen products and utensils.

copper sheet buy at the price of the manufacturer's factory wholesale and retail.

Alloy grades used in production:

Complies with GOST 1173-2006, TS 13-224-2011.
Manufacturing method:

• hot rolled (hot rolled)
• cold rolled (cold rolled)

The size of copper sheets - a standard size of 600/1500 mm is used. By special order, it is possible to manufacture any size, check with the site consultant.
Thickness from 0.4 to 25.0 mm.
Material condition:

• solid
• soft,
• semi-solid

To increase the hardness, additional heat treatment (hardening) is possible.
If the required brand is in stock released at retail, order for the production of copper sheet from 500 kg.

Properties of copper sheets.

The physical and mechanical properties of a copper sheet depend on the grade of copper, oxygen content, alloying additives and impurities, but the main characteristics can be noted:

• corrosion resistance
• resistance to aggressive media and atmospheric factors
• pliability to all types of mechanical treatments
• weldability
• solderability
• excellent thermal and electrical conductivity
• presentable appearance
• tolerance of sudden changes in critical temperatures without deformation

The copper sheets are 99% base material, in order to match the chemical and physical characteristics of the sheet blank, they are subjected to fire refining, which removes excess constituents and oxygen.

Application of copper sheet.

Due to its unique properties, copper sheet is actively used:

• in electrical engineering
• mechanical engineering
• instrument making
• shipbuilding
• aircraft industry
• construction
• finishing
• Food Industry
• medicine

Good machinability makes it possible to create complex structural solutions from a copper sheet, to produce parts for electrical appliances and radio equipment by stamping. Copper sheets have proven themselves as a roofing material, roofs made of copper sheets do not require additional coating, anti-corrosion properties increase the service life of such a roof up to 100 years.

In interior and exterior decoration, copper sheets are used to create both flat and voluminous, curvilinear interior solutions. After polishing, the copper sheet will shine with gold and will please the eye for many decades.

Group of enterprises Soyuz copper sheet manufacturer M1, M2, M3 according to GOST 1173-2006. Over decades of production, we have brought technological process to perfection, the alloys used strictly comply with Russian and foreign standards, and the qualified personnel of the plant reduces losses due to marriage to almost zero. The presence of its own raw material base significantly reduces the cost of production, allowing even retail buy copper sheet at a low factory price.
To make a purchase or order for production, contact the site consultant, you can also send an online request or call the office, the manager will provide up-to-date information about the cost and availability of the required size and brand. copper sheet price does not depend on the application method, only on the quantity of the delivery lot.