non-magnetic Fasteners
NMS-80/NMS-100
For Precision Fastening Systems
- High strength
- Long-Term stability
- Corrosion resistance
| Tensile Strength (MPa) | Yield Strength (MPa) | Relative Magnetic Permeability (μr) | Residual Magnetic Field After 300 Gauss Magnetization (nT) | Magnetic Susceptibility χ/4π×10-6 (SI Units) |
|---|---|---|---|---|---|
| A2-80 (304) | >800 | >600 | >1.2 | >50000 | >15923 |
| A4-80 (316) | >800 | >600 | >1.05 | >30000 | >3980 |
| NMS-80 | >800 | >600 | ≤1.002 | ≤1 | 0 - 159 |
| NMS-100 | >1000 | >900 | ≤1.002 | ≤1 | 0 - 159 |
NMS-80 Hysteresis Loop
Relative Magnetic Permeability vs. Tensile Strength Comparison of A2-80, A4-80 and NMS-80
Metallographic Structure
ferrite content: 0.01%
Relative Magnetic Permeability: 1.002 Non-Magnetic Steel
ferrite content: 6%
Relative Magnetic Permeability: 1.205
304 Stainless Steel
ferrite content: 1%
Relative Magnetic Permeability: 1.026
316L Stainless Steel
What makes it unique?
- Ultra-low magnetism: Residual magnetism ≤ 1 nT, relative permeability μr < 1.002
- Full product range: Rebar, plates, pipes, fasteners, welding wire, springs — complete non-magnetic solutions from a single source
Application Cases
- Quantum Sensing Platform — National Weak-Field Measurement Facility
- Pulsed High Magnetic Field Lab — HUST
- Medical Research Platform — Shandong University
- BEST Fusion Facility
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