| Copper-beryllium alloy has a combination of electrical | | | | can help reduce tool wear. Alloy M25 is usually |
| and mechanical properties which is unique for copper | | | | hardened after machining but can be softened again |
| alloys. When heat treated the mechanical strength | | | | by annealing to enable electroplating |
| which is achieved ranks the highest among all other | | | | · Alloy 174: This is copper alloy with low beryllium |
| copper alloy materials and is combined with an | | | | content, containing only a few alloy elements of |
| electrical conductivity that outperforms that of any | | | | beryllium and cobalt. It has exceedingly good electrical |
| bronzes. | | | | conductivity and high mechanical strength. This alloy is |
| In order to meet the various needs and requirements | | | | supplied in a hardened condition yet shows good |
| of electrical engineering, watch and connector | | | | bending behaviour. |
| industries, a full range of copper-beryllium alloys are | | | | · Alloy 360: This is a nickel alloy containing |
| rolled by most by most companies dealing with copper | | | | approximately 2% beryllium, and is used for |
| beryllium alloys. In some instances when the spring | | | | applications which need good elastic properties at |
| properties are critical at high temperatures, | | | | higher temperatures. The mechanical strength is quite |
| nickel-beryllium copper is generally used as the solution | | | | high and if hardened is even higher than that of alloy |
| of choice. | | | | 25. |
| There are various kinds of beryllium alloys which are | | | | Beryllium copper is available as strips, foils, rods, bars, |
| used for different applications and some of these are. | | | | and wires, and is used by many different industries |
| · Alloy 25: This alloy contains approximately 2% | | | | such as watch and clock making industry, connector |
| beryllium and has the highest mechanical strength and | | | | industry, relays and switches, telecommunication |
| hardness achievable after heat treatment of all copper | | | | industry, aerospace industry, spring industry and also |
| beryllium alloys. It has excellent bending properties, a | | | | used in membrane and bursting disc manufacture. |
| high fatigue strength, and excellent electrical | | | | Beryllium copper strips will vary depending on the type |
| conductivity. | | | | of strip and material. The thickness may range from |
| · Alloy 190: Alloy 190 provides outstanding bending | | | | 0.005mm up to 1mm (0.0002" to 0.04") at widths from |
| behaviour according to the different temperatures. | | | | 1.0mm to 230mm (0.04" to 9.0"). Depending on the type |
| · Alloy M25: This alloy is available as rods or wires | | | | of strip or material, a wider range of strips are also |
| which are generally employed for machined products. | | | | available. |
| Its machinability is due to its low lead content and this | | | | |