SH / UH
EH / AH
EH / AH
Built for the heat.
High-coercivity grades for demanding traction systems and sustained high-load operation.
Target operating temperatureUp to 220°C
+ Advanced materials. Magnetic technologies.
Engineering
the force
within.
Precision magnets. Extraordinary possibilities.
Building India’s next generation of high-performance rare earth permanent magnets.
NdFeB / SINTERED RARE EARTHPRECISION BY DESIGN
Developed in India. Engineered for what’s next.Discover Astromantle ↓
ELECTRIC MOBILITY+ROBOTICS & AUTOMATION+AEROSPACE+ADVANCED INDUSTRY
01 / OUR PURPOSE
Invisible force.
Visible impact.
The technologies moving our world forward depend on what’s at their core.
At Astromantle, we’re developing that core. Based in Tamil Nadu, India, we are building a specialized facility for high-grade sintered neodymium-iron-boron (NdFeB) magnets, using our proprietary technology.
From custom alloy development to precisely machined shapes, our ambition is complete in-house manufacturing — strengthening India’s critical mineral supply chain and enabling a more self-reliant future.
Discover our approach ↗02 / MAGNETIC MATERIALS
Small in scale.
Powerful by nature.
High-performance sintered NdFeB magnets,
developed around your application.
Our target product portfolio.
50M
52M / 54M
52M / 54M
More force. Less footprint.
High-energy grades for compact motors, robotic joints and weight-critical motion systems.
Target maximum energy product54 MGOe
Your design.
Our precision.
Our precision.
Shaped to your system.
Custom arcs, rings, blocks and skewed segments, with coatings selected for your environment.
Target machining tolerance±0.02 mm
Development targets, subject to grade, geometry, operating conditions and application qualification. Final specifications are agreed with each customer.
03 / THE SCIENCE WITHIN
Precision.
At every boundary.
Our planned manufacturing approach combines metallurgical control with Grain Boundary Diffusion (GBD) — concentrating heavy rare earths where they contribute most to coercivity.
The goal: high-temperature performance with more efficient use of dysprosium and terbium.
10 TPA
Planned initial capacity
Purpose-built for specialized production
From alloy to powder
Vacuum melting, strip casting and controlled jet milling establish the foundation for consistent magnetic performance.
Align. Sinter. Refine.
Magnetic field alignment, vacuum sintering and grain boundary diffusion develop the material’s magnetic and thermal properties.
Precision in every dimension
Wire EDM, diamond slicing and grinding shape each magnet to the exact requirements of your design.
Protect and verify
Application-specific coatings, dimensional inspection and magnetic characterization support repeatable quality.
04 / ENGINEERED FOR YOUR WORLD
The core of
what comes next.
Partnering with the engineers
turning ambitious designs
into the next generation of motion.
01Electric mobility
From passenger EVs to commercial vehicles and micro-mobility: custom magnets developed for high torque, thermal resilience and efficient power delivery.
TARGET GRADES42UH · 45UH · 48SH · 38EH · 40EH
02Robotics & automation
Compact, high-energy magnets for frameless robot joints, precision servo drives and linear motion systems where mass, torque ripple and response matter.
TARGET GRADES48SH · 50M · 52M · 54M
03Aerospace & advanced mobility
Weight-conscious custom arc geometries for electric aircraft and UAV propulsion, developed around demanding power-to-weight requirements.
TARGET GRADES52SH · 50UH
04Heavy industry & infrastructure
Robust magnet solutions for rail traction, heavy equipment, process pumps and high-speed compressors, with protection matched to harsh operating environments.
TARGET GRADES45UH · 48UH · 40UH · 42UH · 38EH
BUILT HERE. THINKING BEYOND.
A stronger magnetic core.
A more self-reliant India.
We’re building domestic capability in critical magnetic materials — connecting material science, precision manufacturing and the ambition to power tomorrow.
05 / LET’S BUILD WHAT’S NEXT
Your next breakthrough.
Our magnetic expertise.
↗Have a design, a challenge, or a new application?
Start a conversation with our engineering team.