Buy Large Neodymium Magnet Pricelist & Products

High-Performance Neodymium Magnets & Magnetic Assemblies - Catalog (Part 1)

Explore our premium selection of heavy-duty precast shuttering magnets, custom NdFeB arrays, and precision-engineered magnetic fixings.

Industrial Concrete

OEM 5300 lbs strong magnetic force concrete magnet Manufacturers, Product

Advanced raw sintered NdFeB assembly delivering 5300 lbs vertical pull force for formwork systems.

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Salvage & Recovery

Buy Qianci Magnet A-1 Series Fishing Magnets Suppliers, Product

Double-sided, ultra-durable NdFeB recovery magnet with high-integrity zinc nickel coating.

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Formwork Chamfers

Wholesale QCM Magnetic Triangle Steel Chamfer Strip For Precast Concrete Supplier, Pricelist

Precision triangular magnetic steel chamfer strips for seamless concrete beveling applications.

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Construction Core

China powerful precast concrete magnets Supplier, Company

Heavy industrial precast concrete shuttering magnet designed for structural table setups.

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Advanced Technology

Custom Arc magnet NdFeB Halbach Array Specialized Magnetic Assembly Factories, Pricelist

Halbach Array custom magnetic assemblies utilizing high-coercivity arc segments for targeted flux distribution.

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NdFeB Sheet Material

High-Quality Reliable China Factory Supply NdFeB Magnet Manufacturer square NdFeB magnet sheets Companies, Products

Sintered square NdFeB sheet magnets with Ni-Cu-Ni triple layer plating for corrosion resistance.

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Formwork Shuttering

Buy Shuttering magnet for precast concrete formwork Manufacturer, Factories

Reliable shuttering magnets configured for rapid steel mold deployment and minimal installation wear.

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Electrical Box Fixtures

OEM Concrete Electric Box Insert Magnets Exporter, Product

Specially molded insert magnets designed to anchor electrical boxes inside precast forms.

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Technology Roadmap

Sintered Neodymium-Iron-Boron (NdFeB) Evolutionary Horizon

The industrial demand for large Neodymium magnets is driven by advancements in power density, magnetic stability, and resistance to demagnetization under harsh operational conditions. Today's NdFeB technologies are moving past traditional constraints by incorporating grain boundary refinement and structural phase control.

Historically, adding Dysprosium (Dy) and Terbium (Tb) was necessary to achieve high thermal stability (e.g., EH and AH classes). However, because these heavy rare earth elements are expensive and scarce, modern factories use Grain Boundary Diffusion (GBD) technology. GBD targets the distribution of Dy/Tb specifically along the grain boundary junctions, rather than inside the main crystal grains. This increases the magnet's intrinsic coercivity (Hcj) while minimizing remanence (Br) loss.

Key Sintering Innovations:

Modern production lines use ultra-fine powder preparation under inert gas protection, followed by pressure-assisted magnetic field orientation molding and vacuum sintering. This yields magnet microstructures with high orientation factors (exceeding 97%) and low impurity levels.

Standard NdFeB Performance Metrics

Below are critical performance indicators for modern high-performance sintered NdFeB formulations:

Remanence (Br) 1.42 - 1.48 T (14.2 - 14.8 kGs)

Coercivity (Hcb) ≥ 860 kA/m (≥ 10.8 kOe)

Intrinsic Coercivity (Hcj) ≥ 1592 kA/m (≥ 20.0 kOe)

Max Energy Product (BH)max 382 - 406 kJ/m³ (48 - 51 MGOe)

Max Operating Temp Up to 220°C (SH/UH/EH/AH grades)

Industrial Applications

Macro-Industrial Solutions & Application Engineering

Adapting magnetic properties to structural loads, seismic activity, and harsh environmental conditions.

Precast Concrete Formwork

Precast concrete manufacturing uses high-pull-force shuttering magnets (ranging from 900 kg to over 2500 kg) to secure formwork profiles onto steel casting tables. By using neodymium-based magnetic clamping instead of welding or mechanical anchoring, plants reduce setup times, extend the service life of formwork tables, and maintain a cleaner workspace.

Electric Powertrains & Wind Energy

Large high-coercivity NdFeB segment blocks are crucial for permanent magnet synchronous motors (PMSM) in electric vehicles and direct-drive wind generators. The low thermal demagnetization rate and precise arc geometry keep these systems running efficiently in high-heat and high-torque environments.

Halbach Array Systems

By configuring spatial magnet segments in a Halbach orientation, designers reinforce magnetic flux on one side of the array while reducing it to near-zero on the opposite side. This pattern is ideal for maglev transport systems, high-speed particle accelerators, and precision linear motors.

100%

Vacuum Sintered

±0.05mm

CNC Tolerance

N55SH

Max Grade Standard

2500+

Pull Force (KG)

Factory 4.0

QCM Magnet: Production Technology and Capacity

QCM Magnet specializes in complete magnetic fixing systems designed for precast concrete components. Our product lineup includes shuttering magnets, formwork assemblies, magnetic chamfering strips, and pre-embedded insert magnets.

By switching to magnetic fixing, precast plants avoid welding or drilling on costly vibrating steel casting beds. This protects the casting tables, improves mold assembly speed, and reduces labor costs, as the magnetic hardware can be reused indefinitely.

Through optimized manufacturing processes and quality-controlled sintering runs, QCM Magnet delivers precise dimensional tolerances and high surface finish quality. Our technical department supports custom engineering for complex industrial and structural environments.

CORE PRODUCTS

High-performance structural magnet assemblies designed for heavy formwork clamping systems.

1000 kg Series

2200 lbs precast concrete stepping shuttering magnet

Optimized 1000 kg holding force assembly configured for rapid steel mold deployment.

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1300 kg Series

2800 lbs / 1300 kg pulling force precast shuttering magnet

Engineered for medium-weight concrete side panels, balancing dimensions and holding force.

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1800 kg Series

4000 lbs Carbon Steel precast concrete shuttering magnet

Robust carbon steel housing containing powerful NdFeB cores to prevent form shifting.

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900 kg Series

2000 lbs Carbon Steel Precast Concrete Shuttering Magnet

Compact structure designed for tight formwork dimensions and low-height edge profiles.

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600 kg Series

600kg/1320 lbs magnetic force shuttering magnet

Lightweight design ideal for manual setups and small-scale structural elements.

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2400 kg Series

5300 lbs strong magnetic force precast concrete magnet

Heavy-duty magnetic core built to secure high-pressure formwork for structural columns.

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2500 kg Series

5500 lbs Carbon Steel Shuttering of Precast Concrete Elements

Advanced B2B construction system providing a 2500 kg holding limit for automated lines.

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2100 kg Series

4600 lbs Carbon Steel Precast Concrete Shuttering Magnet

Features a robust release mechanism and high-density rare earth permanent magnet core.

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NEW PRODUCTS

The latest in high-performance structural formwork magnetic assemblies.

1600kg Platform

Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet

A safe, reusable tool for concrete casting. Features a durable construction built to withstand high vibration.

Carbon Steel 2100kg

4600 lbs Carbon Steel Precast Concrete Shuttering Magnet

High-strength casing improves concrete pouring efficiency and panel surface quality.

Euro-Market Standard

5300 lbs strong magnetic force precast concrete magnet

Commonly used across European precast operations for securing tall walls and column setups.

1300kg Core

2800 lbs /1300 kg pulling force precast shuttering magnet

Designed to hold side profiles for flat floor slabs and internal structural partitions.

Corporate Strategy & Design Strategy

Precision engineering, reliable quality, and tailored magnetic systems.

Who We Are

Qianci Magnet is a specialized manufacturing plant focusing on the research, development, and production of formwork magnets, magnetic arrays, insert fixtures, and custom concrete chamfering solutions.

Our Business

We design, validate, and manufacture precast concrete magnetic fixing systems to help construction companies improve their pouring efficiency and panel surface finishes.

Our Strategy

We aim to supply the global precast concrete sector with robust, reusable, and cost-effective industrial magnetic clamping assemblies.

Quality Control & Certifications

Our production lines adhere to strict international engineering protocols and hold several manufacturing approvals.

QCM Magnet Sintering Operations Certificate

Procurement Guide

Global Procurement & Pricelist Structure

Learn how raw material markets, dimensional tolerances, and coating selections influence bulk Neodymium pricing.

How Raw Material Costs Shape pricing

The pricing for industrial Neodymium Iron Boron magnets fluctuates based on rare earth oxide indexes, particularly for Neodymium (Nd), Praseodymium (Pr), Dysprosium (Dy), and Terbium (Tb). Our commercial pricing model calculates costs by combining base material weight with alloy percentages, adding processing steps like slicing, grinding, or CNC machining, and applying the specified surface finishes.

Procurement Best Practice:

To help protect against spot market volatility, we offer annual B2B supply agreements with index-linked price adjustments, helping you manage costs for large-scale production runs.

Technical Options That Influence Project Budgets

The final cost of your magnetic assemblies is affected by several technical specifications:

Operating Temperature: Standard N grades (up to 80°C) are cost-effective, while M, H, SH, UH, EH, or AH grades cost more due to the addition of Dysprosium.
Housing and Shell Materials: Heavy-duty, corrosion-resistant housings (such as polyurethane, stainless steel, or thick carbon steel) add cost but extend the lifespan of the assemblies.
Plating and Anti-Corrosion Coatings: Options include triple-layer Ni-Cu-Ni, Epoxy, Everlube, or Zinc coatings, selected to match your specific environmental humidity and chemical exposure levels.

FAQ Center

Frequently Asked Questions & Technical Reference

Answers to common engineering questions regarding the handling, lifetime, and integration of large industrial magnets.

1. How do shuttering magnets prevent concrete formwork from shifting during casting?

Shuttering magnets house a high-energy neodymium block inside a steel casing. When you press the activation button, the magnet drops flush against the steel casting table, concentrating the magnetic flux through the bottom plate. This setup creates a strong holding force (up to 2500 kg) that resists lateral shifting caused by heavy concrete and casting vibrations.

2. What factors cause Neodymium magnets to demagnetize, and how can this be prevented?

Neodymium magnets can lose their magnetization if they exceed their maximum operating temperature or are exposed to strong opposing magnetic fields. To prevent thermal loss, always specify the correct grade for your application's operating conditions (such as N35SH for up to 150°C, or N35EH for up to 200°C). We also design protective steel housings to shield the internal cores from physical impacts and demagnetizing currents.

3. Why is Ni-Cu-Ni plating preferred for sintered NdFeB magnets?

Sintered NdFeB is porous and highly reactive to moisture and oxygen. A triple-layer Ni-Cu-Ni electroplating process provides excellent corrosion resistance. The inner nickel layer bonds with the magnet material, the middle copper layer acts as a barrier, and the outer nickel layer protects against wear and scratches. For high-humidity or chemical environments, we recommend epoxy or Everlube coatings.

4. What is a Halbach Array, and what are its primary industrial benefits?

A Halbach array is a specialized configuration of permanent magnets that rotates the magnetic field vector. This strengthens the magnetic field on one side of the assembly while reducing the field on the opposite side to near zero. It is used in applications that require high, localized flux field concentrations with minimal housing weight, such as linear motors and sorting systems.

5. Can your precast concrete magnets be customized for height and shape profiles?

Yes. We custom-build magnetic assemblies, including shuttering boxes, steel chamfer strips, and pipe insert fixtures, to match your specific height profiles and casting layouts. Our engineering team can work directly from your CAD files to produce matching configurations.

6. What is the typical life expectancy of a precast shuttering magnet box?

With proper cleaning and maintenance, our shuttering magnet boxes can last more than five years. The internal NdFeB cores retain their magnetism indefinitely (losing less than 1% of their flux over a decade), provided they are kept within their temperature limits and protected from concrete buildup and physical impacts.

7. How should heavy industrial magnets be handled safely?

Large neodymium magnets generate strong attraction forces that can pinch skin or trap fingers. Always wear heavy protective gloves and use non-magnetic brass or aluminum tools during installation. Store magnets with spacers or keepers, and keep them away from sensitive electronics, pacemakers, and magnetic storage media.

8. What parameters are required to receive an accurate bulk price quote?

To provide an accurate quote, we need to know the magnet grade (e.g., N35, N52, N38SH), dimensions (length, width, thickness), direction of magnetization, coating requirements, tolerance levels, and order quantities. Sharing CAD drawings for custom designs helps speed up the quoting process.

Corporate & Industrial News Updates

Stay up-to-date with our latest product announcements and industry event schedules.

Understanding Formwork and Shuttering systems

2025-05-15

What is the difference between Formwork and Shuttering?

Precast concrete systems: Shuttering molds shape edges/openings on flat surfaces using magnetic fixation, while mold setups support structural pours...

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QCM Redefines Construction Efficiency at UK Trade Show

2025-04-30

QCM Set to Redefine Construction Efficiency

QCM, a global leader in magnetic components, will participate in UK Construction Week 2025. From May 7th to 9th, at NEC Birmingham, we will showcase...

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Industrial Magnetic Solutions - Catalog (Part 2)

Explore more of our standard and specialized magnetic fixings, insert magnets, and heavy-duty concrete templates.

BLDC Rotors & Stators

Custom Stepping Motor Magnetic Parts Magnet Assembly N35SH N38H N42H BLDC Stator Rotor Magnets Permanent Electric Motor Magnet

High-precision rotor assemblies featuring SH and H grade NdFeB magnets for stepper motor efficiency.

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Utility Inserts

OEM Precast Concrete Pvc Pipes Inserted Into Fixed Magnetic Plates Quotes, Products

Magnetic mounting plates designed to secure PVC conduits during concrete pours.

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Wholesale Neodymium Magnet Fishing Double Faced Magnet

Deep Recovery

Wholesale Neodymium Magnet Fishing Double Faced Neodymium Magnet For Sale Exporters, Companies

Double-faced high-power fishing magnet configured for industrial retrieval operations.

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2500 kg High Load

China 5500 lbs Carbon Steel Shuttering of Precast Concrete Elements Manufacturer, Exporter

Heavy-duty carbon steel shuttering assembly designed for automated precast production lines.

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Rubber Chamfers

Wholesale Triangular Magnetic Rubber Chamfer Strip Manufacturers, Product

Flexible rubber magnetic chamfer strips designed for clean beveling on steel casting beds.

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Integrated Formwork

Buy Precast Concrete Magnetic Side Formwork Factories, Quotes

Integrated side formwork systems combining magnetic blocks with custom-profile steel rails.

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Siderail Assemblies

High-Quality Precast Concrete Magnetic Siderail Shuttering Magnet Quotes, Exporters

High-strength magnetic siderail systems built to secure edge molds on automated casting tables.

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Lifting Components

Buy Precast Concrete Threaded Lifting Socket For Construction Factory, Company

Threaded lifting sockets and magnetic positioning plates engineered for safe precast panel handling.

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