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Industrial Magnets
B2B Industrial & OEM Solutions
Heavy-Duty Industrial Magnets & Magnetic Assemblies
Engineered for demanding manufacturing, oilfield drilling, aerospace, automation, and metal fabrication operations, CMS Magnetics provides an extensive inventory of heavy-duty industrial permanent magnets and engineered assemblies. From extreme-flux sintered Neodymium (NdFeB) and high-temperature Samarium Cobalt (SmCo) to cast AlNiCo and rugged Ceramic/Ferrite materials, our industrial products deliver dependable holding force, precise dimensional tolerances, and high magnetic stability under rigorous operational loads.
Looking for raw rare-earth geometries or shop tools? If your design requires specific raw shapes, explore our pure Neodymium Rare Earth Magnets catalog (discs, blocks, and rings). For steel-cased mounting hardware, visit Cup & Pot Mounting Magnets.
Browse Industrial Categories & Materials:
Extreme Energy Densities
NdFeB grades up to N52 delivering high clamping force in volume-constrained production lines.
High-Temperature Formulations
SmCo and AlNiCo options rated for continuous operational exposure from 150°C up to 500°C.
Industrial Protective Coatings
Triple Ni-Cu-Ni, structural black epoxy, zinc, and encapsulated rubber coatings for harsh environments.
B2B Supply & Custom OEM
Large volume lot tracking, certificate of conformance (CoC), and custom fabrication capabilities.
Filter by Assembly & Alloy: Industrial Magnets Neodymium (NdFeB) Pot & Cup Bases Ceramic (Ferrite) Samarium Cobalt
Engineering Guide: Industrial Permanent Magnets & Material Selection
Selecting the appropriate magnet for industrial machinery, robotic end-effectors, workholding jigs, or separation equipment requires balancing magnetic flux density, working temperature, demagnetization resistance (coercivity), and chemical exposure. Permanent magnets used in industrial environments fall into four primary metallurgical families:
Industrial Permanent Magnet Alloy Comparison
| Magnet Material | Energy Product (BHmax) | Max Operating Temp (Tmax) | Corrosion Resistance | Optimal Industrial Use |
|---|---|---|---|---|
| Neodymium (NdFeB) | 33 – 55 MGOe | 80°C (Std) / 200°C (AH) | Poor; requires plating (Ni-Cu-Ni / Epoxy) | Maximum holding force in compact automation, sensors, and lifting equipment. |
| Samarium Cobalt (SmCo) | 16 – 32 MGOe | 250°C – 350°C | Excellent; naturally rust-proof | High-heat oilfield tooling, aerospace actuators, and marine pumps. |
| Ceramic / Ferrite | 1.0 – 4.3 MGOe | 250°C (482°F) | Excellent; inert oxide ceramic | Economical separation chutes, conveyor drives, and outdoor fixtures. |
| AlNiCo (Cast/Sintered) | 5.0 – 10.0 MGOe | 500°C – 550°C | Excellent; corrosion resistant | Extreme-temperature furnaces, heat-treating fixtures, and avionics. |
Industrial Applications & Manufacturing Sectors
- Workholding, Jigs & CNC Fixturing: Pot magnets and channel bases provide swift clamping, positioning, and latching for steel plates during welding, milling, and assembly without mechanical clamps marring the workpiece.
- Magnetic Separation & Tramp Metal Removal: High-gradient magnetic filter rods (grate magnets) installed in hoppers and liquid pipelines extract fine ferrous contaminants from food, plastics, pharmaceuticals, and grains.
- Downhole Oilfield & Energy Exploration: Ultra-stable SmCo and high-coercivity NdFeB components designed to withstand hydrostatic pressure, corrosive drilling fluids, and downhole thermal gradients.
- Robotics, Actuators & Automation: Sintered disc and block assemblies integrated into robotic end-effectors, high-speed linear motors, and magnetic couplings for non-contact torque transmission.
Frequently Asked Questions
What makes a magnet "industrial grade"?
Industrial magnets feature certified metallurgical compositions, strict magnetic characterization (verified Remanence Br and Coercivity Hci), tight dimensional tolerances (±0.05 mm), and specialized environmental plating (epoxy, PTFE, rubber, or multi-layer nickel) designed to perform predictably under continuous mechanical and thermal stresses.
How do I choose between Neodymium and Samarium Cobalt for industrial machinery?
Choose Neodymium (NdFeB) when maximum holding power and compact footprint are required at operating temperatures below 80°C–150°C. Choose Samarium Cobalt (SmCo) when continuous operating temperatures exceed 150°C (up to 350°C) or when components operate in corrosive chemical or marine environments without protective plating.
Why are pot and cup magnets preferred over raw magnets for workholding?
Raw rare-earth magnets are brittle ceramics that can chip under repeated direct impacts. Pot and cup magnets enclose the magnet in a steel cup, shielding the brittle edges from impact damage while channeling both poles forward to significantly multiply contact holding force on steel surfaces.
Does CMS Magnetics provide Certificates of Conformance (CoC) and bulk OEM pricing?
Yes. We support OEM production lines and tier-1 suppliers with volume price tiering, lot-specific quality assurance testing (flux density and physical dimensions), and standard Certificate of Conformance documentation upon request.
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