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MAGNETIC MATERIALS
Metglas® Magnetic Materials produced on our proprietary high-speed casting process are used in many specialized applications. Industries have discovered that the unique magnetic properties found in Metglas® Magnetic Materials make them an ideal solution for a wide range of applications from distribution transformers, magnetic anti-theft tags, motors, high frequency inductors and more. Components made from Metglas® help companies worldwide reduce operating costs, strengthen energy conversation efforts and increase application efficiency
METGLAS® 2605SA1 & 2605HB1M Alloy
(Material) iron-based; extremely low core loss
APPLICATIONS:
- Distribution, commercial and industrial transformers
- Motors
- High frequency inductors
- Current transformers
- Devices requiring high permeability and low loss at low frequencies
BENEFITS:
- Extremely low core loss
- 35% of the core loss of grade M3 electrical steel (core loss at 50 Hz is approximately 80% of 60 Hz values). This is for finished cores.
- High permeability
GENERAL PROPERTIES & CHARACTERISTICS |
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Electromagnetic | |
Saturation Induction (T) | – |
As Cast | 1.56 |
Maximum DC Permeability (µ) | |
Annealed | 600,000 |
As Cast | 45,000 |
Saturation Magnetostriction (ppm) | 27 |
Electrical Resistivity (µΩ-cm) | 130 |
Curie Temperature (°C) | 395 |
Physical | |
Thickness (µm) | 23 |
Standard Available Widths | |
Minimum (mm) | 5 |
Maximum (mm) | 213 |
Density (g/cm3) | 7.18 |
Vicker’s Hardness (50g Load) | 900 |
Tensile Strength (GPa) | 1-2 |
Elastic Modulus (GPa) | 100-110 |
Lamination Factor (%) | >84 |
Thermal Expansion (ppm/°C) | 7.6 |
Crystallization Temperature (°C) | 510 |
Continuous Service Temp. (°C) | 150 |
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- Properties
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GENERAL PROPERTIES & CHARACTERISTICS
Electromagnetic Saturation Induction (T) – As Cast 1.56 Maximum DC Permeability (µ) Annealed 600,000 As Cast 45,000 Saturation Magnetostriction (ppm) 27 Electrical Resistivity (µΩ-cm) 130 Curie Temperature (°C) 395 Physical Thickness (µm) 23 Standard Available Widths Minimum (mm) 5 Maximum (mm) 213 Density (g/cm3) 7.18 Vicker’s Hardness (50g Load) 900 Tensile Strength (GPa) 1-2 Elastic Modulus (GPa) 100-110 Lamination Factor (%) >84 Thermal Expansion (ppm/°C) 7.6 Crystallization Temperature (°C) 510 Continuous Service Temp. (°C) 150 - Graph 1
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- Graph 2
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- Graph 3
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- Brochure 1
- Brochure 2
METGLAS® 2605S3A Alloy
(Material) iron-based; high permeability
APPLICATIONS:
- Current transformers
- Ground fault protection devices
- High frequency cores
BENEFITS:
- Low core loss at high frequencies (>1 kHz)
- High operating temperature with minimal flux density reduction
- Can be annealed for high permeability in low or high frequencies
General Properties & Characteristics | |
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Electromagnetic | |
Saturation Induction (T) | 1.41 |
Maximum DC Permeability (µ) | |
Annealed | 35,000 |
As Cast | >20,000 |
Saturation Magnetostriction (ppm) | 20 |
Electrical Resistivity (µΩ-cm) | 138 |
Curie Temperature (°C) | 358 |
Physical | |
Thickness (microns) | 18 |
Standard Available Widths | |
Minimum (mm) | 2.5 |
Maximum (mm) | 50 |
Density (g/cm3) | 7.29 |
Vicker’s Hardness (50g Load) | 860 |
Tensile Strength (GPa) | 1-2 |
Elastic Modulus (GPa) | 100-110 |
Lamination Factor (%) | >75 |
Thermal Expansion (ppm/°C) | 6.7 |
Crystallization Temperature (°C) | 535 |
Continuous Service Temp. (°C) | 150 |



- Properties
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General Properties & Characteristics Electromagnetic Saturation Induction (T) 1.41 Maximum DC Permeability (µ) Annealed 35,000 As Cast >20,000 Saturation Magnetostriction (ppm) 20 Electrical Resistivity (µΩ-cm) 138 Curie Temperature (°C) 358 Physical Thickness (microns) 18 Standard Available Widths Minimum (mm) 2.5 Maximum (mm) 50 Density (g/cm3) 7.29 Vicker’s Hardness (50g Load) 860 Tensile Strength (GPa) 1-2 Elastic Modulus (GPa) 100-110 Lamination Factor (%) >75 Thermal Expansion (ppm/°C) 6.7 Crystallization Temperature (°C) 535 Continuous Service Temp. (°C) 150 - Graph 1
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- Graph 2
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- Graph 3
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- Brochure 1
- Brochure 2
METGLAS® 2705M Alloy
(Material) cobalt-based; near-zero magnetostriction
APPLICATIONS:
- Flexible electromagnetic shielding
- Magnetic sensors
- High frequency cores
- Magnetic Switches
BENEFITS:
- Near-zero magnetostriction
- High permeability and square BH loop without annealing
- Can be annealed for square or linear permeability
- Medium saturation induction
General Properties & Characteristics | |
---|---|
ELECTROMAGNETIC | |
Saturation Induction (T) | 0.77 |
Maximum DC Permeability (µ) | |
As Cast | 290,000 |
Saturation Magnetostriction (ppm) | <0.5 |
Electrical Resistivity (µΩ-cm) | 136 |
Curie Temperature (°C) | 365 |
PHYSICAL | |
Thickness (microns) | 22 |
Standard Available Widths | |
Minimum (mm) | 2.5 |
Maximum (mm) | 50 |
Density (g/cm3) | – |
As Cast | 7.8 |
Vicker’s Hardness (50g Load) | 880 |
Tensile Strength (GPa) | 1-2 |
Elastic Modulus (GPa) | 100-110 |
Lamination Factor (%) | >75 |
Thermal Expansion (ppm/°C) | 12 |
Crystallization Temperature (°C) | 520 |
Continuous Service Temp. (°C) | 90 |



- Properties
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General Properties & Characteristics ELECTROMAGNETIC Saturation Induction (T) 0.77 Maximum DC Permeability (µ) As Cast 290,000 Saturation Magnetostriction (ppm) <0.5 Electrical Resistivity (µΩ-cm) 136 Curie Temperature (°C) 365 PHYSICAL Thickness (microns) 22 Standard Available Widths Minimum (mm) 2.5 Maximum (mm) 50 Density (g/cm3) – As Cast 7.8 Vicker’s Hardness (50g Load) 880 Tensile Strength (GPa) 1-2 Elastic Modulus (GPa) 100-110 Lamination Factor (%) >75 Thermal Expansion (ppm/°C) 12 Crystallization Temperature (°C) 520 Continuous Service Temp. (°C) 90 - Graph 1
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- Graph 2
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- Graph 3
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- Brochure 1
- Brochure 2
METGLAS® 2714A Alloy
(Material) cobalt-based; near-zero magnetostriction
APPLICATIONS:
- Switch-mode power supply applications
- Magnetic amplifiers
- Semiconductor noise suppression cores
- High frequency transformers
- High sensitivity matching transformers
- Ultra-sensitive current transformers
- Shielding
- Sensor applications
BENEFITS:
- Extremely low core loss
- Ultrahigh permeability
- High squareness ratio – low coercive force
- Near-zero magnetostriction
- Excellent corrosion resistance
- Can be annealed for linear BH loop
GENERAL PROPERTIES & CHARACTERISTICS | |
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Electromagnetic | |
Saturation Induction (T) | 0.57 |
Maximum DC Permeability (µ) | |
Annealed | 1,000,000 |
As Cast | >80,000 |
Saturation Magnetostriction (ppm) | <0.5 |
Electrical Resistivity (µΩ-cm) | 142 |
Curie Temperature (°C) | 225 |
Physical | |
Thickness (microns) | 15 |
Standard Available Widths | |
Minimum (mm) | 2.5 |
Maximum (mm) | 50 |
Density (g/cm3) | 7.59 |
Vicker’s Hardness (50g Load) | 960 |
Tensile Strength (GPa) | 1-2 |
Elastic Modulus (GPa) | 100-110 |
Lamination Factor (%) | >75 |
Thermal Expansion (ppm/°C) | 12.7 |
Crystallization Temperature (°C) | 550 |
Continuous Service Temp. (°C) | 90 |



- Properties
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GENERAL PROPERTIES & CHARACTERISTICS Electromagnetic Saturation Induction (T) 0.57 Maximum DC Permeability (µ) Annealed 1,000,000 As Cast >80,000 Saturation Magnetostriction (ppm) <0.5 Electrical Resistivity (µΩ-cm) 142 Curie Temperature (°C) 225 Physical Thickness (microns) 15 Standard Available Widths Minimum (mm) 2.5 Maximum (mm) 50 Density (g/cm3) 7.59 Vicker’s Hardness (50g Load) 960 Tensile Strength (GPa) 1-2 Elastic Modulus (GPa) 100-110 Lamination Factor (%) >75 Thermal Expansion (ppm/°C) 12.7 Crystallization Temperature (°C) 550 Continuous Service Temp. (°C) 90 - Graph 1
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- Graph 2
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- Graph 3
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- Brochure 1
- Brochure 2
METGLAS® 2826MB Alloy
(Material) iron nickel-based: medium saturation
APPLICATIONS:
- Field sensors
- Shielding applications
- High frequency cores
- Magnetomechanical sensors
BENEFITS:
- Medium saturation induction
- Lower magnetostriction
- Higher corrosion resistance
- Can be annealed for high permeability, rounded or square BH loop
GENERAL PROPERTIES & CHARACTERISTICS | |
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Electromagnetic | |
Saturation Induction (T) | 0.88 |
Maximum DC Permeability (µ) | |
Annealed | 800,000 |
As Cast | >50,000 |
Saturation Magnetostriction (ppm) | 12 |
Electrical Resistivity (µΩ-cm) | 138 |
Curie Temperature (°C) | 353 |
Physical | |
Thickness (microns) | 29 |
Standard Available Widths | |
Minimum (mm) | 2.5 |
Maximum (mm) | 12.7 |
Density (g/cm3) | 7.9 |
Vicker’s Hardness (50g Load) | 740 |
Tensile Strength (GPa) | 1-2 |
Elastic Modulus (GPa) | 100-110 |
Lamination Factor (%) | >75 |
Thermal Expansion (ppm/°C) | 11.7 |
Crystallization Temperature (°C) | 410 |
Continuous Service Temp. (°C) | 125 |



- Properties
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GENERAL PROPERTIES & CHARACTERISTICS Electromagnetic Saturation Induction (T) 0.88 Maximum DC Permeability (µ) Annealed 800,000 As Cast >50,000 Saturation Magnetostriction (ppm) 12 Electrical Resistivity (µΩ-cm) 138 Curie Temperature (°C) 353 Physical Thickness (microns) 29 Standard Available Widths Minimum (mm) 2.5 Maximum (mm) 12.7 Density (g/cm3) 7.9 Vicker’s Hardness (50g Load) 740 Tensile Strength (GPa) 1-2 Elastic Modulus (GPa) 100-110 Lamination Factor (%) >75 Thermal Expansion (ppm/°C) 11.7 Crystallization Temperature (°C) 410 Continuous Service Temp. (°C) 125 - Graph 1
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- Graph 2
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- Graph 3
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- Brochure 1
- Brochure 2