Non-Magnetic
series
Non-Magnetic Series
For Extreme Electromagnetic Environments
- Relative Permeability μr ≤ 1.002
- Residual Magnetism ≤ 1 nT
- High Strength
- Corrosion Resistance
- Cryogenic Performance
- Magnetic Confinement Fusion
- Semiconductor Manufacturing Equipment
- Other Non-Magnetic Environments(Including MRI/NMR systems, geomagnetic observatories, quantum sensing platforms, and defense applications)
Non-Magnetic Rebar
For Reinforced Concrete Structures
- High strength
- Cryogenic performance
- Corrosion resistance
| HRB400NM |
|---|---|
| Elasticity Modulus E (N/mm2) | （185±10） ×103 |
| Initial Shear Modulus G₀ (N/mm2) | 7 ~ 8×104 |
| Coefficient of Linear Thermal Expansion α ( /°C) | 1.4 ~ 1.8 ×10-5 |
| Mass Density ρ (kg/m3) | 7900 |
| Poisson’s Ratio ν | 0.27 ~ 0.31 |
| HRB400NM | |
|---|---|---|
| Classification | Non-magnetic Steel Pro | Non-magnetic Steel Max |
| Tensile Strength (MPa) | ≥750 | ≥900 |
| Yield Strength (MPa) | ≥400 | ≥800 |
| Elongation (%) | ≥35 | ≥18 |
| HRB400NM | |
|---|---|---|
| Relative Permeability (μr) | Unmagnetized | ≤ 1.002 |
| After 5 T Pulse Magnetization | < 1.005 | |
| Magnetic Susceptibility (χ) | Unmagnetized | < 0.002 |
| After 5 T Pulse Magnetization | < 0.005 | |
| Residual Magnetism (nT) | Unmagnetized | ≤ 1 |
| After 5 T Pulse Magnetization | ≤ 4 | |
| Dimensions(mm) | Weight(Kg/m) |
|---|---|
| 8 | 0.395 |
| 10 | 0.617 |
| 12 | 0.888 |
| 14 | 1.21 |
| 16 | 1.58 |
| 18 | 2.00 |
| 20 | 2.47 |
| 22 | 2.98 |
| 25 | 3.85 |
| 28 | 4.83 |
| 32 | 6.31 |
| 36 | 7.99 |
non-magnetic Rebar Couplers
For Mechanical Splices
- Ultra‑low magnetic
- High strength
- Reliable connections
non-magnetic Fasteners
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
non-magnetic Alloy
X55Ni40-Ultr
For Precision Components
- HRC 52+
- >1,600 MPa
- >800°C
| non-magnetic Alloy X55 |
|---|---|
| Relative Magnetic Permeability | < 1 |
| Residual Magnetism (nT) | ≤1 |
| Elastic Modulus (GPa) | 220–240 |
| Tensile Strength (MPa) | ≥1600 |
| Hardness (HRC) | >52 |
| Density (g/cm3) | 7.6 |
| Poisson's Ratio | 0.31 |
| Salt Spray Resistance (h) | >240 |
non-magnetic Springs
For Vibration Isolation
- High elasticity
- Fatigue resistance
- Custom designs
non-magnetic Welding Wire
For Welding Zero-Magnetic Materials
- Excellent weldability
- Strong joints
- Corrosion resistance
non-magnetic Steel Plates
For Structural Fabrication
- High strength
- Excellent formability
- Weldability
non-magnetic Steel Pipes
For Cooling & Structural Systems
- Welded & seamless
- Laser hybrid welding
- Corrosion resistance
Metallographic Structure of Non-Magnetic Steel
ferrite content: 0.01%
Relative Magnetic Permeability: 1.003
What makes it unique?
- Ultra-low magnetism: Residual magnetism ≤ 1 nT, relative permeability μr < 1.002.
- High strength + high ductility: Up to 900 MPa yield strength with ≥ 18% elongation
- 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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