NdFeB Magnet

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Our NdFeB Magnets Products

MagniPro is an expert Ndfeb Magnet Manufacturer, We offer good quality Ndfeb magnet in all grades and coatings. We have discs, cylinders, arcs, spheres, pyramids, countersinks, and more to meet your needs.

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Disc magnets

Disc magnets in different sizes and grades.

Arc magnets

Arc magnets in different sizes and grades.

Square magnets

Square magnets in different sizes and grades.

Cylinders Magnets

Cylinders magnets in different sizes and grades.

Tubes Magnets

Tubes magnets in different sizes and grades.

Spheres magnets

Spheres magnets in different sizes and grades.

Countersinks Magnets

Countersinks magnets in different sizes and grades.

Ring Magnets

Ring Magnets in different sizes and grades.

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All You Need To Know About NdFeB Magnets

Hello there! We’re MagniPro, bringing you a decade of expertise in NdFeB magnets. If you’re exploring our website and considering NdFeB magnets for your business, you’re in the right place.
Let’s dive into what makes NdFeB magnets a smart choice.

What Are NdFeB Magnets?

NdFeB magnets, or Neodymium-Iron-Boron magnets, are incredibly strong permanent magnets. Made from a combination of neodymium, iron, and boron, these magnets pack powerful magnetism into a compact size. Small but mighty, they’re the go-to choice for high-performance applications.

Why Choose NdFeB Magnets 

Super Strong: NdFeB magnets generate an exceptionally powerful magnetic field, making them ideal for applications like electric motors, where they enhance performance and efficiency.

Precision Perfection: Our magnets are manufactured with tight tolerances to ensure a perfect fit—whether for a tiny sensor or a large industrial machine. This precision is especially critical in data storage, where even the slightest error can lead to data loss.

Cost-Effective: Despite their high performance, NdFeB magnets help reduce costs. Their strength allows for smaller, lighter designs, cutting down on material and production expenses. In wind turbines, they contribute to more efficient designs, leading to long-term savings.

Where Are NdFeB Magnets Used?
Automotive:Powering electric vehicle motors, improving range, and enhancing acceleration.
Medical: Enabling high-resolution imaging in MRI machines for accurate diagnoses.
Electronics: Found in speakers, cooling fans, and switches in smartphones and laptops.

Ready to Boost Your Business?

Still deciding? Contact us today—our experts are ready to assist you. Don’t miss out on the advantages of NdFeB magnets. Let MagniPro help take your business to the next level.

This article is designed to be clear and concise, highlighting the key benefits and applications of NdFeB magnets. If you have any questions or need more information, we’re just a click away!

Precision Magnet Manufacturing

Minimum Finished Product Sizes:

• Square magnets: As small as F0.2 × 0.2 × 0.2 mm

• Round magnets: As small as D0.3 × 0.3 mm

•Smallest Sintered Rod Diameters: Available in Ø0.8 mm / 1 mm / 1.5 mm / 2 mm

•Tolerance Control: High-precision machining with tolerances of ±0.01 mm to ±0.03 mm

NdFeB Magnet Grades Explained | Sintered Neodymium Magnetic Chart

Understand the key properties of sintered NdFeB magnets. Explore grade meanings, temperature limits, coatings, and application-specific recommendations

Choosing the right magnet isn’t just about size and shape — it’s about matching the right magnetic grade to your operating temperature, performance needs, and application environment.

This chart displays the key properties of sintered NdFeB (Neodymium Iron Boron) magnets. Below is a quick reference to help you interpret and apply the data effectively.

Magnetic Properties of sintering molding NdFeB
VarietyGradeBr
HcjHcb(BH)max
Operating temperature
T

KG
kA/m
kOe
kA/m
kOe
kJ/m²
MGOe℃
MinMinMinRange value
NN541.4514.58751183610.5406~438
51～55
≤80
N521.4214.29601283610.5390~42249~53
N501.3913.99601283610.5374~40647~51
N481.3713.79601283610.5358~39045~49
N451.3313.39601286010.8342~36643~46
N421.2912.99601286010.8318~34240~43
N401.2612.69601286010.8302~32638~41
N381.2312.39601286010.8287~31036~39
N351.1811.89601286010.8263~28733~36
MN52M1.4214.210351399512.5390~42249~53≤100
N50M1.3913.9111414103513.0 374~40647~51
N48M1.3713.7111414101212.7358~39045~49
N45M1.3313.311141497112.2342~36643~46
N42M1.2912.911141493811.8318~34240~43
N40M1.2612.611141491011.4302~32638~41
N38M1.2312.311141487611.0 287~31036~39
N35M1.1811.811141486010.8263~28733~36
HN50H1.3913.9127416103513.0 374~40647~51≤120
N48H1.3713.7127416100012.8358~39045~49
N45H1.3313.313531799512.5342~36643~46
N42H1.2912.913531795712.0 318~34240~43
N40H1.2612.613531793011.7302~32638~41
N38H1.2312.313531791011.4287~31036~39
N35H1.1811.813531787611.0 263~28733~36
N33H1.1411.413531784410.6247~27131~34
SHN48SH1.3713.7151219103512.8358~39045~49≤150
N45SH1.3313.315922093811.8342~36643~46
N42SH1.2912.915922093811.8318~34240~43
N40SH1.2612.615922091211.5302~32638~41
N38SH1.2312.315922088611.1287~31036~39
N35SH1.1811.815922087611.0 263~28733~36
N33SH1.1411.415922083610.5247~27131~34
UHN45UH1.3313.319112497612.2342~36643~46≤180
N42UH1.2912.919902593811.8318~34240~43
N40UH1.2612.619902591211.5302~32638~41
N38UH1.2312.319902588611.1287~31036~39
N35UH1.1811.819902584510.6263~28733~36
N33UH1.1411.419902581610.3247~27131~34
N30UH1.0810.81990257569.5223~24728~31
EHN42EH1.2812.823082997112.2310~34239~43≤200
N40EH1.2512.523883094711.9295~32637~41
N38EH1.2212.223883092311.6279~31035~39
N35EH1.1811.823883088311.1263~28733~36
N33EH1.1411.423883081610.3247~27131~34
N30EH1.0810.82388307569.5223~24728~31
N28EH1.0510.52388307569.5207~23126~29
THN38TH1.2212.226273392311.6279~31035~39≤230
N35TH1.1811.827863584510.6263~28733~36
N33TH1.1411.427863581610.2247~27131~34
N30TH1.0810.827863580410.1223~24728~31
N28TH1.0510.52786357569.5207~23126~29
Remark:
1.The performance is in accordance with the national standard GB/T3560-2017.
2.The above parameters and characteristics are data at room temperature.
3. The maximum working temperature depends on the product specification,
coating and working environment.
physical quantity of magnetismCGSSIequivalence relation
BrGsT1 T=10000 Gs
HcbkOekA/m1 kOe=79.6 kA/m
BHMGOekJ/m31 MGOe=7.96 kJ/m3
Magnetic fluxWbV·s1 Wb=1 V·s
eg：19kOe，19*79.6=1512.4kA/m；1353kA/m，1353/79.6=17kOe

Key Parameters Explained

PropertyDescriptionWhy It Matters
Br (Residual Induction)Measures the strength of the magnetic field.The higher the Br, the stronger the pull force.
Hcj (Intrinsic Coercivity) Resistance to demagnetization.Crucial for applications involving heat or vibration.
(BH)max (Maximum Energy Product)Indicates energy density.Indicates energy density.
Operating TemperatureMaximum recommended working temperature.Exceeding this limit may cause irreversible loss of magnetism.

How to Understand the Grades

Each grade code consists of a number and an optional letter suffix.

  • The number (e.g. 35, 42, 50, 52) reflects magnetic strength — higher = stronger.

  • The suffix indicates thermal resistance:

 
Grade SuffixMax Operating TempDescription
(No suffix)≤ 80°CStandard temperature
M≤ 100°CMedium temperature
H≤ 120°CHigh temperature
SH≤ 150°CSuper high temperature
UH≤ 180°CUltra high temperature
EH≤ 200°CExtra high temperature
TH≤ 230°CTop-tier thermal grade

Grade Recommendations by Industry

ApplicationRecommended GradesReason
Wireless charging / speakersN50, N52High Br and energy density for strong magnetic performance.
Electric motors / BLDCN45H, N48H, N42SHStable under elevated temperatures.
Automotive sensors / roboticsN42SH, N38SH,N42SH,N38SHBalanced performance and heat resistance.
Toys / educational toolsN35, N38Cost-effective, suitable for non-critical use.

Surface Coating Options

Remark:
NiCuNi is the most commonly used industrial coating for NdFeB magnets.

Epoxy and Parylene are preferred for corrosive or high-humidity environments.

Gold/Silver plating is chosen for medical and aesthetic use.

Everlube is ideal for marine or extreme corrosion-prone settings.

CoatingColorCoating thickness(μm)Salt-spray test(hr)
Color ZnColor white4~15＞48~72
Blue ZnBlue white4~15＞12~48
Nickel-Copper-Nickel (Ni-Cu-Ni)Silver white10~20＞24~72
Black NickelGlossy black 10~20＞12~48
Electroless nickel Graphite silver10~30＞24~96
EpoxyGray-black/Silver white10~30＞24~96
GoldGold5~20＞48~96
SilverSilver10~30＞48~96
ChromiumGlossy black 10~30＞48~96
CopperCopper-yellow8~20＞48~96
Passivation/PhosphatingDark grey1≤8
Electrophoretic coating Plated color 10~30＞24~72
Ni-Sn coatingSilver10~25＞36~72

Magnetization Direction — At a Glance

Magnetization direction is critical to how your magnet performs in real-world applications.
The diagram below shows the most common magnetization patterns available in the market today:

Why It Matters to You:

  • Performance Tailored to Your Design: Whether you need linear pull, rotational torque, or field focus — orientation determines strength and direction.

  • Compatible with All Applications: From BLDC motors to magnetic sensors and wireless chargers.

FAQs About NdFeB Products

As an expert Ndfeb Magnet Manufacturer ,we have been producing NdFeB products for over 10 years, and we have experienced a lot of things. Here are the top concerns that people have before they buy.

We offer a wild range of NdFeb products, include disc, cylinder, arc, sphere, pyramid and countersunk, covering all grades and coated.

We follow strict quality control processes, use certified raw materials, and adhere to industry standards to ensure our products meet the highest quality expectations.

Lead time varies depending on the product, quantity, and customization requirements. We strive to deliver orders as quickly as possible while maintaining high-quality standards.

We serve a wide range of industries, including aerospace, medical, automotive, electronics, robotics, and bags, jewelry, and decorative items.

Our products have certifications such as ISO 9001:2015, ISO 13485, CE, and SGS, ensuring their quality and compliance with industry standards.

Yes, we can produce customized NdFeb products tailored to your unique specifications, dimensions, and application needs.

Yes, we can provide a price list or a customized quote based on your specific product requirements, quantity, and other factors. Please contact our sales team for further assistance.

Our MOQ varies depending on the product type and customization level. We cater to both large and small orders and offer flexibility in accommodating your needs.

Our payment terms typically include a deposit upfront, with the balance payable upon completion and prior to shipping. Specific terms may vary depending on the order and can be discussed with our sales team.

In the event of defective products, we work closely with our customers to address the issue, offering returns, replacements, or refunds as necessary and ensuring customer satisfaction.

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What to Confirm When Inquiring

To help us quote accurately and deliver the best solution, please provide:

1. Magnet Grade (e.g. N42SH)

2. Dimensions (including tolerances)

3. Surface Coating Requirement (e.g. Ni-Cu-Ni, Epoxy)

4. Magnetization Direction (Axial, Radial, Multi-pole, etc.)

5. Application Details (working temperature, operating environment, mechanical stress, etc.)

6. Technical Drawing – If available, a drawing (PDF/DWG/STP) will greatly speed up our evaluation and production feasibility.

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