Alcom Alval
Company Alcom Alval s.r.o. has been registered in the business register since 10th September 2002. We are specialised in purchasing, stocking and buying of a wide range of milled semiproducts of Aluminium and its alloys.
In August 2010 we started production of precisely milled plates under our trademark ALQAL.No taxpayers' money from the EU funds is used for the development of our company.
Aluminium (Latin Aluminium) is a light weight silvery gray metal founded in 1825 by physician Hans Christian Oersted.
In the natural world we can meet only aluminium compounds because of its high reactivity.
| Chemical symbol | Al |
| Atomic number | 13 |
| Relative atomic mass | 26,9815386 amu |
| Melting point | 660,32 °C |
| Boiling point | 2519 °C |
| Density | 2,70 g/cm3 |
As to yield, bauxite is the most important mineral with a high volume of aluminium. To reduce the high melting point of bauxite, another important mineral cryolite is used for industrial production.
Aluminium belongs amongst the most widespread elements contained in the earth's crust. In spite of this fact, its industrial production was until recently a very difficult and expensive process. As industrial electrolysis of melted metal ores was developed it paved the way for today’s huge production of pure Al, which is now millions of tonnes per year.
During electrolysis of purified bauxite and cryolite mixture, which takes place at a temperature of 950 °C aluminium is eliminated on a cathode and oxygen on a graphite anode.
The most common application for aluminium is in the form of its alloys. The most common alloy is with copper and magnesium (e.g. AlCu4Mg1). Compared to Al99,5 such an alloy is harder and stronger but retains low specific mass, 2,8 g/cm3 and it is resistant to atmospheric effects. Such properties make this alloy an ideal material for use both in the aviation and automotive industries.
Besides these there are many other aluminium alloys, for example with magnesium or silicon which can be used for machine or ship constructions, Al99,5 can be used as a roofing (corrugated sheets) or packaging material for food (in the form of foil).
Aluminium is important metal for people and today it is used in many fields of human life.
Aluminium belongs amongst the most widespread elements contained in the earth's crust. In spite of this fact, its industrial production was until recently a very difficult and expensive process. As industrial electrolysis of melted metal ores was developed it paved the way for today’s huge production of pure Al, which is now millions of tonnes per year.
During electrolysis of purified bauxite and cryolite mixture, which takes place at a temperature of 950 °C aluminium is eliminated on a cathode and oxygen on a graphite anode.
The most common application for aluminium is in the form of its alloys. The most common alloy is with copper and magnesium (e.g. AlCu4Mg1). Compared to Al99,5 such an alloy is harder and stronger but retains low specific mass, 2,8 g/cm3 and it is resistant to atmospheric effects. Such properties make this alloy an ideal material for use both in the aviation and automotive industries.
Besides these there are many other aluminium alloys, for example with magnesium or silicon which can be used for machine or ship constructions, Al99,5 can be used as a roofing (corrugated sheets) or packaging material for food (in the form of foil).
Aluminium is important metal for people and today it is used in many fields of human life.
OUR CERTIFICATES
The quality management system pursuant to ČSN EN ISO 9001:2000 has been introduced in a bid to promote the company, while upgrading services to our customers’ satisfaction. The system’s first certification was successfully completed on December 8, 2003. The fourth recertification audit according to ČSN EN ISO 9001: 2009 was carried out from February 3rd to April 2nd, 2016. Our company holds certificate on the conclusion of a contract on joint performance with the company EKO-KOM.
OFFICIAL PRICE Al
price on 2019-06-21 = 1743.50 USD
month Ø = 1802.00 USD