Copper And Magnesium Alloy

The strength of copper-magnesium alloy is higher than that of pure copper, which is suitable for the production of some high-strength products. Connector pins, industrial electrical parts, automotive safety boxes, semiconductor lead frames.

Copper magnesium alloy is a common metal alloy, which is composed of copper and magnesium two metals mixed in a certain proportion, and the commonly used magnesium content is 0.2%.

Copper-magnesium alloy has higher softening temperature than pure copper, and has good creep, stress relaxation and fatigue resistance.

Copper magnesium alloy also has good mechanical properties, wear resistance and fusion welding resistance, mainly used as high voltage, high current relay contact and light, medium load circuit electrical contact, used as brazing material mainly AgCu7.5, AgCu25, AgCu28, AgCu55, and so on, with AgCu28 widely used. With good conductivity, fluidity and wettability, it is widely used in electric vacuum industry. Due to the resistance of long-term load under high temperature, it is only suitable for brazing parts with working temperature below 400℃.

It has good formability. Hot dip tin, welding and plating properties are very good. It also has good corrosion resistance and no stress cracking corrosion. Material in medium strength and good conductivity

Copper-magnesium alloy has excellent physical and chemical properties, so it is widely used in many fields.

According to the different magnesium content, the electrical conductivity is different, the commonly used in the industry is 0.2% magnesium content, the conductivity is about 75% of the hard state and 80-82% of the soft state.

Copper magnesium alloy is used in the electronic industry. Copper alloy has low price, high strength, electrical and thermal conductivity, excellent machining performance, pin weldability and corrosion resistance, and its performance can be controlled in a wide range through alloying, which can better meet the performance requirements of lead frame, and has become an important material for lead frame. It is currently the most used steel material in microelectronic devices.

Copper magnesium alloy wire can be processed and derived from a variety of cables, such as power cables, communication cables, control cables, special cables, these cables are widely used in power, railway, communication, aviation, medical, transportation, construction, ships and other industries.

In terms of physical properties, copper-magnesium alloy wire has good electrical conductivity, thermal conductivity, high strength, corrosion resistance and high temperature stability.

Quality and control standards meet BS EN13601 ASTM B846 ASTM B624 American standard ASTM B105/624, European standard (EN13602), Japanese standard (JIS H3260), DIN CEN/TS 13388, BS EN 50149, GB/T 5231, GB/T 21652, etc.

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