Amorphous Alloy Manufacturer for Cores, Transformer Cores, Metal Ribbon & Alloy Strip
HWHG Group is a direct manufacturer of amorphous alloy products for transformer and magnetic applications. We supply amorphous cores, including cut cores, transformer cores, amorphous metal ribbon and amorphous alloy strip. With stable quality, reliable production, and custom manufacturing support, we serve global customers with efficient and dependable supply solutions.
Eco-Friendly
Green Manufacturing and Sustainable Products
Top 500
China's Top 500 Enterprise
3,000,000+
Annual Production Capacity: 3,000,000 Tons of Advanced Materials
30+
30+ Years of Expertise in Cold Rolled Manufacturing
160+
Products Distributed in 160+ Countries and Regions
What Is an Amorphous Material?
Amorphous alloy is a soft magnetic material with a non-crystalline atomic structure. This amorphous structure helps reduce core loss and improve energy efficiency, making it suitable for transformers, magnetic cores, and other electrical applications.

OUR MAIN AMORPHOUS ALLOY PRODUCTS
Amorphous Cores
HWHG manufactures amorphous cores for magnetic and transformer applications, including amorphous cut cores and amorphous transformer cores.
Features
● Low core loss
● Excellent soft magnetic performance
● Stable production consistency
● Support for cut cores and transformer core applications
● Custom size and specification support
● Reliable bulk supply
Amorphous Metal Ribbon
HWHG manufactures amorphous metal ribbon for transformer core production and magnetic component manufacturing.
Features
● Thin and efficient material form
● Low core loss
● Good manufacturing consistency
● Stable industrial supply
● Suitable for core production
Amorphous Multi-Layer Composite Strips
HWHG manufactures amorphous multi-layer composite strips for core production that requires better structural stability and processing performance.
Features
● Single-layer and multi-layer options
● Stable bonding and lamination
● Improved mechanical strength
● Reliable processing performance
● Suitable for core manufacturing
● Dependable bulk supply
AMORPHOUS PRODUCT SPECIFICATIONS & PERFORMANCE
Product Specifications
| Type | Grade | Nominal Thickness (µm) | Max. Width (mm) | Core Loss P1.0/400 (W/kg) | Magnetic Flux Density B800 (T) |
| Single-Layer Strip | 1K101P1 | 25 | 120 | / | 1.56–1.6 |
| 142 / 170 / 213 / 240 | / | 1.56–1.6 / 1.61–1.65 | |||
| 1K101G1 | 25 | 142 / 170 / 213 / 240 | / | ≥1.66 | |
| 5-Layer Strip | 1K101P5 | 125 | 142 / 170 / 213 / 240 | / | ≥1.62 |
| 5-Layer Composite Strip | HA5C0250 | 132 | <200 200–300 300–400 |
2.01–2.50 | / |
| HA5C0300 | 2.51–3.00 | ||||
| HA5C0350 | 3.01–3.50 | ||||
| HA5C0400 | 3.51–4.00 | ||||
| 6-Layer Composite Strip | HA6C0250 | 157 | <200 200–300 300–400 |
2.01–2.50 | / |
| HA6C0300 | 2.51–3.00 | ||||
| HA6C0350 | 3.01–3.50 | ||||
| HA6C0400 | 3.51–4.00 | ||||
| 7-Layer Composite Strip | HA7C0250 | 184 | <200 200–300 300–400 |
2.01–2.50 | / |
| HA7C0300 | 2.51–3.00 | ||||
| HA7C0350 | 3.01–3.50 | ||||
| HA7C0400 | 3.51–4.00 | ||||
| 8-Layer Composite Strip | HA8C0250 | 210 | <200 200–300 300–400 |
2.01–2.50 | / |
| HA8C0300 | 2.51–3.00 | ||||
| HA8C0350 | 3.01–3.50 | ||||
| HA8C0400 | 3.51–4.00 |
Physical Properties of Fe-Based Amorphous Alloy Strips
| Fe-Based Amorphous Alloy Strips | 1K101P1 | 1K101G1 |
|---|---|---|
| Density (g/cm³) | 7.25 | 7.3 |
| Crystallization Temperature (°C) | 515 | 505 |
| Tensile Strength (GPa) | 2.1 | 2.1 |
| Young’s Modulus (GPa) | 130 | 130 |
| Vickers Hardness Hv-50 g Load | 940 | 900 |
| Coefficient of Thermal Expansion (×10⁻⁶/°C, @30~300°C) | 5.6 | 5.5 |
General Electromagnetic Properties of Fe-Based Amorphous Alloy Strips
| Product Grade | 1K101P1 | 1K101G1 | |
| Magnetic Flux Density B800 (T) | 1.56–1.65 | ≥1.66 | |
| Resistivity (µΩ·cm) | 123 | 118 | |
| Curie Temperature (°C) | 412 | 403 | |
| Coercivity (A/m) | ≤4.0 | ≤4.0 | |
| Saturation Magnetostriction (×10⁻⁶) | Annealed State | ≤3 | ≤3 |
| (As-Prepared State | 25 | 25 | |
| Specific Total Loss (W/kg) | 50Hz, 1.35T | ≤0.14 | ≤0.14 |
| Specific Apparent Power (VA/kg) | 50Hz, 1.35T | ≤0.15 | ≤0.15 |
Note: Specific total loss and apparent power are measured on ring-shaped specimens wound from the strips. Magnetic flux density is measured at a magnetic field strength of 800 A/m.
General Physical Properties of Amorphous Multi-Layer Composite Strips (5/6/7/8 Layer)
| Property | Value | |
| Density (g/cm³) | 7.25–7.3 | |
| Tensile Strength (Room Temperature) | ≥1000 MPa | |
| T-Peel Strength (Room Temperature) | ≥0.1 N/mm | |
| High-Temperature Storage Stability (180°C) | 1000 h | |
| Transverse Thickness Variation (µm) | ≤10 | |
| Lamination Factor | ≥0.90 | |
| Specific Total Loss | 50Hz, 1.5T (W/kg) | ≤0.5 |
| 400Hz, 1.0T (W/kg) | ≤4 | |
| 1000Hz, 1.0T (W/kg) | ≤15 | |
Note: Specific total loss is measured using the Epstein frame method.
WHY CHOOSE HWHG GROUP

Manufacturer Identity That Builds Buyer Confidence

Custom Manufacturing Support

Global B2B Inquiry Support

Focus on Stable Production and Quality

Product Range for One-Stop Sourcing
From Material Innovation to Mass Production
HWHG combines amorphous alloy R&D with successful large-scale production to transform advanced magnetic materials into reliable industrial products. From iron-based amorphous alloy strip development to stable ribbon manufacturing and magnetic core applications, we focus on product consistency, process control, and scalable supply for global customers.
The comparison below highlights the main performance differences between Fe-based amorphous alloy strip and non-grain-oriented electrical steel, illustrating the advantages of amorphous alloy in high-efficiency transformer and magnetic applications.
Comparison of Properties: Fe-Based Amorphous Alloy Strip vs. Non-Grain-Oriented Electrical Steel
| Performance Parameters | Fe-Based Amorphous Alloy Strip | Non-Grain-Oriented Electrical Steel |
| Saturation Magnetic Flux Density (T) | 1.56–1.67 | 1.8–2.0 |
| Coercivity (A/m) | <4 | <30 |
| Core Loss (W/kg) |
P1.5/50<0.5 ;P1.0/400<4;P1.0/1K <15 |
P1.5/50 <3;P1.0/400 <13;P1.0/1K <50 |
| Max. Permeability | >25×10⁴ | 4×10⁴ |
| Magnetostriction (×10⁻⁶) | 27 | |
| Resistivity (µΩ·cm) | 130 | 45 |
| Thickness (mm) | 0.025 | 0.25 |
| Lamination Factor (%) | 91–94 | 93–96 |
| Density (g/cm³) | 7.3 | 7.65 |
| Crystallization Temperature (°C) | 535 | |
| Curie Temperature (°C) | 415 | 746 |
| Tensile Strength (MPa) | 1500 | 343 |
| Vickers Hardness (HV) | 900 | 181 |
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APPLICATIONS OF AMORPHOUS ALLOY
HWHG amorphous alloy products are widely used in power and magnetic industries where efficiency and low loss are essential. Typical application fields include:
Electrical Equipment Manufacturing
Industrial Power Systems
Renewable Energy Equipment
Automotive and Electrification-Related Systems- General Industrial Manufacturing
Distribution Transformers
Energy-Saving Transformer
Power Transmission and Distribution Systems
Magnetic Cores and Magnetic Assemblies
Electrical Equipment Manufacturing
Industrial Power Systems
Renewable Energy Equipment
Automotive and Electrification-Related Systems- General Industrial Manufacturing
Distribution Transformers
Energy-Saving Transformer
Power Transmission and Distribution Systems
Magnetic Cores and Magnetic Assemblies
An amorphous material is a material without long-range crystalline atomic order. In magnetic applications, amorphous alloy materials are valued for their soft magnetic properties and energy-saving potential.
Examples of amorphous materials include glass, certain polymers, and metallic materials such as amorphous metal alloys used in electrical and magnetic applications.
These terms are often used in related contexts to describe metallic materials with non-crystalline structures. In industrial magnetic applications, amorphous alloy products are especially important for transformer cores and magnetic components.
HWHG supplies amorphous cores, amorphous cut cores, amorphous transformer core products, amorphous metal ribbon, and amorphous alloy strip for industrial applications.
Yes. HWHG can communicate based on your drawings, dimensions, application requirements, and quantity needs.
Yes. Our products are suitable for amorphous transformer, amorphous core transformer, amorphous steel core transformer, and amorphous alloy transformer applications.



