Why is beryllium used in Springs?
Beryllium copper (C17200 & C17300) is an age-hardening alloy which attains the highest strength of any copper base alloy. It may be age hardened after forming into springs, intricate forms or complex shapes. It is valued for spring properties, corrosion resistance, stability, conductivity, and low creep.
Are springs made of beryllium?
Beryllium copper (BECU) is often used in spring clips and flat spring production because of its great strength. It yields the same spring force as carbon steel at a fraction of the thickness.
Is beryllium copper the same as brass?
Beryllium Copper is a versatile copper alloy that is valued for its high strength and hardness, combined with good electrical and thermal conductivity. Beryllium copper is a relatively new metal alloy, unlike brass and bronze which was discovered centuries before this alloy.
What diseases can beryllium cause?
The most common health effects associated with overexposure to beryllium in the workplace include: beryllium sensitization, chronic beryllium disease (CBD), and lung cancer. Beryllium Sensitization – Beryllium sensitization is the activation of the body’s immune response to beryllium.
Does beryllium copper oxidize?
At room temperature, copper beryllium forms a thin tarnish layer. At the higher temperatures associated with heat treating, heavy oxide layers can occur. These oxides can interfere with subsequent surface operations such as plating or soldering, which is why it is critical to clean the material to remove the oxides.
Does beryllium copper work harden?
AGE HARDENABLE COPPER BERYLLIUM ALLOYS Copper beryllium achieves its maximum levels of strength, hardness, and conductivity through age hardening.
What is beryllium copper used for?
If one of the springs breaks during compression, the rest should be processed again Beryllium copper (BECU) is often used in spring clips and flat spring production because of its great strength. It yields the same spring force as carbon steel at a fraction of the thickness.
What are the properties of beryllium Springs?
Beryllium Copper Springs Beryllium copper alloys have a number of properties such as high conductivity, good strength, corrosion resistance, etc. The main advantage of beryllium copper is its ability to be formed in a soft state. Later, it can be age hardened to exhibit spring properties.
What are the methods for manufacturing beryllium copper springs?
There are cold-rolling methods and hot-rolling methods for manufacturing beryllium copper springs. The spring wire diameter less than 8 mm generally uses the cold coil method, and the spring wire diameter greater than 8 mm uses the hot coil method.
Why use beryllium copper (BeCu) for spring clips?
Beryllium copper (BECU) is often used in spring clips and flat spring production because of its great strength. It yields the same spring force as carbon steel at a fraction of the thickness. This allows clips to be produced as thin as .002″ and wire as thin as .050″. Other characteristics that make BECU a viable option for spring clips include: