Alloy copper magnesium. Brand.
Are you interested in the alloys of copper and magnesium from the supplier — the company Electrovek-Steel? At us you will find only the checked up information on the given subject
Buy alloys of copper and magnesium, produced in accordance with the technical requirements of EN50149−2001 is offered by Electrovek-Steel. All products are certified. The supplier ensures the delivery of the metal to any point specified by the customer.
Kinds of copper alloys with magnesium
Two types of copper-magnesium alloy are known: CuMg0.2 and CuMg0.5. The addition of 0.1 to 0.7% of magnesium to copper leads to the fact that the cold processed solid solution strengthens the alloy with good electrical conductivity. Therefore they are used
For the needs of railways as contact connections.
Magnesium wire alloys have been developed since 1992, and in 1995 a high-speed rail line from Hanover to Berlin used 120 mm wire for contact and contact wire. Copper-magnesium car cables are used since 2010.
Copper-magnesium alloys can not be subjected to heat treatment. Stresses are removed by annealing: incomplete at 140… 200 o C and complete — at 400… 500 o C.
Physicomechanical properties at room temperature CuMg0.2:
- Strength limit, MPa −42… −46;
- Relative elongation,% −3… −10;
- Yield strength, MPa — 37;
- Thermal conductivity, W / mol — 310.
The strength of copper-magnesium wire was studied by cold drawing; The wire with a section of 80 mm 2 has the highest strength.
The alloy CuMg0.5 is stronger than the CuMg0.2 alloy; This is due to lower electrical and thermal conductivities. Alloys are good deformability in cold and hot condition, but poor weldability. Alloys have good resistance to atmospheric and marine corrosion.
Buy copper-magnesium alloys produced in accordance with the technical standards EN50149−2001 offers the company Electrovek-steel. All products are certified. The supplier guarantees the delivery of the metal to any point specified by the consumer.
The combination of high strength, good conductivity, good soldering ability and corrosion resistance ensures the use of CuMg0.2 and CuMg0.5 alloys in the following industries:
- Connecting and contact wires for rail electric transport;
- Telecommunication cables;
- Car switches and contact relays;
- Automotive harnesses and cables;
- Contact wire for high-speed trains
According to EN50149−2001, alloys under consideration are marked as CW127C and CW128C, and are manufactured in the form of bars and wire.
Designation of alloys:
- Europe: CW127C (CuMg0.2), CW128C (CuMg0.5), BS EN 50149: 2012;
- USA: C18661, ASTM B250 (covers the range of magnesium content from 0.1 to 0.7%).
Electrified railways operate by supplying an electric current from the generating system through copper-magnesium cables to the wires that pass over the railway tracks. The current for driving the electric motor in the train is taken with the help of a pantograph, which is attached to the roof of the train. During the movement, a wave forms along the conductive wire, resulting in alternating stresses, which can eventually lead to destruction from fatigue. In order to minimize this wave, the conductor is held in tension by loads suspended at each end of its length; Consequently, there is a need for a high-strength wire, from alloys of the copper-magnesium system. Conductors made of these alloys have good wear resistance, corrosion resistance, and are insensitive to high and low temperatures of the ambient air.
Buy copper-magnesium alloys CuMg0.2 and CuMg0.5, the production of which is carried out according to the technical standards EN50149−2001, offers the company Elektrovek-steel. The supplier ensures the delivery of the products to any address given by the customer.