Non-magnetic
Beryllium copper (beryllium bronze) is a non-magnetic material. Its non-magnetic property has been clearly documented in multiple authoritative sources.
Beryllium copper is a high-performance alloy with copper as the base material and beryllium added. Its non-magnetic property is one of its core physical characteristics. This property has significant value in industrial applications, especially in the following scenarios:
Electronics and precision instruments: Avoiding magnetic field interference, suitable for manufacturing precision components such as connectors and probes.
Explosion-proof tools: Non-magnetic and without sparks during impact, suitable for flammable and explosive environments such as oil and gas, mines, etc.
Aerospace and military: Meeting strict requirements for non-magnetic materials, such as radar components, navigation equipment, etc.
Multiple technical documents indicate that the chemical composition of beryllium copper (such as QBe2, C17200, etc.) determines its non-magnetic property:
The German DIN standard 2.1247 for beryllium copper clearly states "non-magnetic".
The Chinese national standard QBe2.0 beryllium copper's description emphasizes "non-magnetic, no sparks when struck".
The American ASTM standard C17200 beryllium copper is also described as "non-magnetic material".
Users can verify the non-magnetic property of beryllium copper through a simple experiment:
Place a magnet close to the beryllium copper material. If there is no adsorption phenomenon, it indicates that it is non-magnetic.
Professional testing can be conducted through the magnetic permeability test. The magnetic permeability of beryllium copper is close to the value of vacuum (approximately 1.0).
Regarding its magnetic properties, beryllium copper does not fall under the category of magnetic materials. Its crystal structure exhibits the characteristics of a cubic crystal system. Under normal circumstances, beryllium copper responds to magnetic fields extremely weakly, almost negligible. Even under the influence of a strong magnetic field, beryllium copper may exhibit a certain degree of magnetic absorption, but this phenomenon mainly results from the influence of the magnetic field on atomic electron orbits and spin angular momentum, and its magnetic performance remains extremely limited, lacking practical application value. Therefore, in situations where strong magnetic materials are required, more suitable materials such as iron, nickel, and cobalt should be considered. In conclusion, the magnetic performance of beryllium copper alloys is weak and does not belong to typical magnetic materials.