Wholesale Small Flat Magnets Exporters & Companies

Empowering Global Heavy Industries, High-End Electronics, and Automated Precast Manufacturing with Next-Generation Sintered Rare Earth Permanent Magnetic Systems.

Executive Whitepaper: The Paradigm Shift in Industrial Magnetic Fixing

How modern miniature, flat magnetic architectures are transforming automation, precast civil engineering, and micro-device integrations.

Advanced Rare Earth Sintering

Utilizing vacuum induction melting and customized strip casting, modern small flat magnets leverage NdFeB (Neodymium Iron Boron) and SmCo (Samarium Cobalt) configurations to output unmatched coercivity and flux density profiles within sub-millimeter tolerances.

Corrosion and Thermal Longevity

Operating environments in heavy industries demand resilience. High-quality small flat magnets now feature advanced surface modification options including multi-layer Ni-Cu-Ni, Epoxy resin, Zinc, and Chrome plating, preventing oxidation up to continuous 350°C cycles.

Mechanical Structural Integration

Flat magnet profiles maximize surface area contact to deliver optimized normal clamping force. Our proprietary cup and shuttering designs encase these magnets in carbon steel shells to direct magnetic flux lines directly to the work surface, increasing hold efficiency up to 200%.

>2100kg
Peak Holding Force Options
N35 - N52
High-Energy Product Grades
±0.05mm
CNC Geometric Tolerance
350°C
Max Continuous Operating Temp

Rare Earth Magnetic Grade Mapping for Global Exporters

Selecting the appropriate magnetic compound based on thermal limits, mechanical shear demands, and corrosive exposures.

Magnetic Material Class Common Grade Range Remanence (Br) Coercivity (Hcb) Max Energy Product (BHmax) Peak Temperature Limit
NdFeB (Neodymium) N35 - N52, AH Series 1.17 - 1.48 T ≥ 828 kA/m 263 - 414 kJ/m³ 80°C to 240°C
SmCo (Samarium Cobalt) YXG-24 to YXG-32 0.90 - 1.15 T ≥ 640 kA/m 180 - 240 kJ/m³ 250°C to 350°C
Ferrite / Ceramic Y25, Y30, Y35 0.35 - 0.43 T ≥ 170 kA/m 26 - 36 kJ/m³ 250°C
Alnico (Cast/Sintered) Alnico 5 to Alnico 9 0.60 - 1.35 T ≥ 48 kA/m 40 - 80 kJ/m³ 450°C to 550°C

Flux Concentration via Steel Encapsulation

Our flat pot magnets utilize high-grade carbon steel cups configured as magnetic circuits (Halbach array derivatives). By encasing the rare-earth core, the non-working face flux is redirected to the work surface, multiplying local vertical holding capability.

Dimensional Precision for CNC Assemblies

Exported batches maintain structural flatness up to 3 microns. This avoids micro-gaps when paired with flat industrial steel poles, guaranteeing zero loss of designed shear capacity under vibration stress.

Expert Magnetic Fixing Solutions by QCM Magnet

QCM Magnet (Qianci Magnet) specializes in offering complete magnetic fixing solutions for the production of precast concrete components. Our primary products include Shuttering Magnets and their corresponding accessories, Formwork Magnets, Magnetic Chamfering Strips, and various pre-embedded insert magnets.

Utilizing magnetic fixing in precast concrete component production prevents damage to the steel platform, enhances work efficiency, reduces labor costs, and promotes economic efficiency as the magnetic fixing devices are reusable and highly durable.

Using our expertise in magnetic components and our extensive experience in supporting the production of precast components, we have developed numerous new and practical magnetic fixing products. Our products come with complete specifications, excellent quality, ease of operation, and long service life. Additionally, we can promptly customize a variety of magnetic fixing parts to meet the diverse needs of our global customers.

Strategy, Capabilities & Export Certificates

Our roadmap as a global leading manufacturer of magnetic solutions for civil and heavy-duty precast engineering.

Who We Are

Qianci Magnet is a strong magnetic component factory, specializing in the production, research, development, and system integration of formwork magnets, magnetic formwork, insert magnets, and concrete chamferers.

Our Business

Our business mainly involves precast concrete magnetic system solutions, helping precast plants globally scale up throughput, implement robotic handling, and transition to eco-friendly production.

Our Strategy

To become the premier global leading manufacturer and service provider of advanced magnetic solutions for the precast concrete and mechanical fastening industry.

ISO 9001:2015 & CE Certified Quality Standards

QCM Certificate 1
QCM Certificate 2
QCM Certificate 3
QCM Certificate 4
QCM Certificate 5
QCM Certificate 6

New Product Showcase

High-power modular shuttering magnets and fixing assemblies featuring integrated mechanical release levers.

Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet
Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet (1600kg Series)

Features a 1600kg series with huge magnetic force, reusability, and extreme durability in concrete pouring.

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4600 lbs Carbon Steel Precast Concrete Shuttering Magnet
4600 lbs Carbon Steel Precast Concrete Shuttering Magnet (2100kg Pull Force)

Increases factory floor productivity and structural mold placement accuracy.

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5300 lbs strong magnetic force precast concrete magnet
5300 lbs strong magnetic force precast concrete magnet - European Standard

Engineered for heavy double-wall elements, columns, and concrete modular systems.

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2800 lbs /1300 kg pulling force precast shuttering magnet
2800 lbs /1300 kg pulling force precast shuttering magnet for Flat Floor Slabs

Typically utilized to secure high-precision side profiles and wood/steel formwork panels.

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News & Industry Insights

Keep up to date with manufacturing advances, exhibition appearances, and technological distinctions in structural fixing.

Shuttering Magnet VS Mold Magnet
2025-05-15

What is the difference between Formwork Shuttering Magnets & Mold Systems?

In precast concrete production, shuttering magnets are modular elements designed to clamp various generic profiles onto steel tables. In contrast, specialized mold systems integrate internal magnetic blocks directly into customized, dedicated shapes. Discover which system maximizes ROI for your plant layout...

Read Full Article →
QCM UK Construction Week 2025
2025-04-30

QCM Set to Redefine Construction Efficiency at UK Construction Week 2025

QCM Magnet, a leading developer of permanent magnet assemblies, has announced its participation in the upcoming UK Construction Week 2025 in Birmingham. The engineering team will exhibit next-generation lightweight alloy shuttering boxes and magnetic chamfers designed for green building codes...

Read Full Article →

Technological Roadmap & Future Outlook of Flat Magnets

Where the industrial magnetic industry is heading: from robot-assisted automation to eco-friendly rare-earth recycling initiatives.

1. Integration with Robotic Precast Formwork Systems

In modern automated precast concrete factories, manual placement of formwork magnets is being replaced by heavy gantry robots. Future small flat magnets and shuttering boxes are designed with standardized robotic gripping interfaces, allowing mechanical arms to pick, place, activate, and release the magnetic hold based on CAD architectural files.

2. Development of Dysprosium-Free High-Temperature Grades

Traditional high-coercivity NdFeB magnets rely on Dysprosium (Dy) and Terbium (Tb) to maintain magnetic properties at high temperatures. Due to the scarcity and cost of these heavy rare earth elements, QCM's technical roadmap focuses on grain boundary diffusion (GBD) processes. This allows us to supply small flat magnets with extreme temperature resistance while lowering raw material costs for wholesale buyers.

3. Triple-Layer Advanced Anti-Corrosion Barrier Coatings

Concrete slurries contain corrosive chemical additives. To ensure a lifecycle of over 10 years, flat industrial magnets now feature advanced hybrid coatings. Beyond standard Ni-Cu-Ni, our development of Everlube, Teflon, and chemical-vapor-deposited (CVD) Parylene coatings offers unprecedented resistance against concrete adhesion, high-pressure washes, and alkaline degradation.

Industrial Small Flat Magnets & Shuttering Systems FAQ

Crucial engineering, sourcing, and material application questions answered by QCM Magnet's Chief Scientific Officer.

Q1: What are the primary advantages of small flat magnets in industrial automation over mechanical fasteners?
Small flat magnets offer a non-invasive, reusable fixing mechanism that does not require drilling, tapping, or structural welding. In applications like precast concrete formwork, this preserves the flat steel casting tables, prevents structural micro-damage, reduces mold setup times by up to 70%, and dramatically lowers labor costs.
Q2: How does the steel cup casing in a pot magnet design affect the magnetic field?
A steel cup casing functions as a magnetic circuit. By surrounding the magnetic core (except for the active face), it captures the flux lines that would normally disperse into the air and bends them back down toward the contact area. This concentration results in a much higher holding force when in direct contact with a steel surface than a bare magnet could ever achieve.
Q3: Why is Samarium Cobalt (SmCo) preferred over Neodymium (NdFeB) for certain cylinder and flat applications?
SmCo magnets, while slightly less powerful at room temperature than NdFeB, exhibit far higher thermal stability. Their Curie temperature is much higher, allowing them to operate at up to 350°C without irreversible demagnetization. Additionally, SmCo has superior corrosion resistance, making it suitable for aerospace, marine, and high-temp industrial environments without requiring extensive protective coatings.
Q4: What coating is recommended for flat magnets exposed to concrete and water washdowns?
We highly recommend custom Epoxy coating, Teflon coating, or advanced Ni-Cu-Ni plus Black Epoxy. These coatings provide a thick, non-porous barrier that resists the high alkalinity of wet concrete mixes and stands up to the abrasive forces of routine cleaning and pressure washes.
Q5: How can a factory prevent demagnetization of shuttering magnets over years of service?
To prevent demagnetization: 1) Ensure the operating temperature does not exceed the magnet's rated thermal threshold (e.g., 80°C for standard N-grade NdFeB). 2) Avoid physical hammer blows directly to the magnetic core by using dedicated release levers. 3) Keep the contact surface free of concrete slurry buildup, which introduces micro-gaps that degrade magnetic circuit path efficiency.
Q6: What does the pulling force rating (e.g., 2100kg) represent under realistic industrial conditions?
The rated pulling force is measured under optimal conditions: a vertical pull perpendicular to a clean, flat, polished 20mm-thick structural steel plate. In actual field conditions, factors like painted steel plates, rust, concrete dust, or lateral shear force will reduce the effective holding capacity. Engineers should incorporate a safety factor of 1.5x to 2x when calculating required hold-down forces.
Q7: Can QCM customize flat magnets to fit proprietary prefabricated concrete molds?
Yes. We specialize in customized magnetic fixing designs. Our manufacturing facility can tailor dimensions, holding force profiles, casing materials, and integrated thread specifications to match the customer's unique mold setups. We provide CAD drawings and finite element analysis (FEA) simulations before mass production.
Q8: How does grain boundary diffusion (GBD) technology benefit wholesale magnet buyers?
GBD is a advanced manufacturing process that deposits heavy rare earth elements (like Dy or Tb) only at the boundary regions of the magnet grains rather than throughout the entire structure. This maximizes temperature resistance while minimizing consumption of high-cost heavy rare earth elements, allowing us to export premium-grade magnets at stable, highly competitive wholesale prices.