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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.
Austenitic stainless steel (such as 302HQ) usually exhibits non-magnetic or weak magnetic properties, making it highly suitable for applications in electronic instruments and sensitive 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: (e.g., 304, 316) Enhanced corrosion resistance through adding Mo and Cu, paired with excellent cold working properties.
Stainless steel fasteners may exhibit a slight magnetic property after cold heading due to processing stress; this is standard and not a material defect.
Be vigilant against low-quality "non-magnetic and non-nickel" stainless steel traps. Authenticity should be verified via material certification and craftsmanship assessment.
Non-magnetic fasteners, due to their unique anti-magnetic interference properties, play an irreplaceable role in precision instruments, medical equipment, aerospace and other fields.
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 made of non-magnetic materials (such as beryllium-cobalt copper C17500) to avoid interfering with gyroscopes and magnetometers.
High-frequency signal transmission components connected through non-magnetic connectors to reduce signal distortion.
High-precision electronic measuring equipment (such as spectrometers) using non-magnetic connectors to prevent signal drift.
Superconducting quantum bits are extremely sensitive to magnetic fields. Non-magnetic fasteners (such as PEEK material) serve as essential components.
Amorphous alloy bolts used for the transformer core to effectively reduce eddy current losses.
| Main Types of Non-Magnetic Fasteners | ||
|---|---|---|
| A286 | 1.498 | Gr.660 |
| OCr21Ni6Mn9N | OCr16Ni22Mn9Mo2 | 1.4436 |
