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Titanium alloy fasteners take advantage of the completely non-magnetic property of titanium metal, which makes them suitable for precision machinery and aerospace applications, avoiding magnetic interference to the equipment.
Usually exhibits non-magnetic or weak magnetic properties, making it suitable for applications in electronic instruments and other scenarios.
Titanium alloy: Low density, high strength, strong corrosion resistance (especially suitable for seawater and chemical environments), and high temperature resistance (maintains performance at 500℃).
Austenitic stainless steel (such as 304, 316, etc.): Enhanced corrosion resistance by adding elements like Mo and Cu, with excellent cold working properties.
Stainless steel fasteners may exhibit slight magnetic properties after cold heading due to processing stress — this is not a material defect. Be vigilant against the low-quality trap of "non-magnetic and non-nickel" stainless steel; authenticity should be determined through material certification and craftsmanship assessment.
Used for fixation of the magnetic resonance imaging system to prevent ferromagnetic materials from interfering with the uniformity of the magnetic field and to ensure imaging accuracy.
Components of satellites and aircraft are made of non-magnetic materials (such as beryllium-cobalt copper C17500) to avoid interfering with gyroscopes and magnetometers.
High-frequency signal transmission components need to be connected through non-magnetic connectors to reduce signal distortion.
High-precision electronic measuring equipment (such as spectrometers) uses non-magnetic connectors to prevent signal drift.
Superconducting quantum bits are extremely sensitive to magnetic fields. Non-magnetic fasteners (such as PEEK material) are essential components.
Amorphous alloy bolts are used for the transformer core to reduce eddy current losses.
| Main Types of Non-Magnetic Fasteners | ||
|---|---|---|
| A286 | 1.498 | Gr.660 |
| OCr21Ni6Mn9N | OCr16Ni22Mn9Mo2 | 1.4436 |
