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  • Samarium Cobalt Magnets (SmCo)

    Discover the superiority of Goudsmit UK’s Samarium Cobalt magnet grades for unparalleled magnetic performance.

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                [_data_accordion_title] => Advantages and Disadvantages of Samarium Cobalt Magnets 
                [_data_accordion_text] => Samarium Cobalt magnets (SmCo) are a type of rare earth magnet known for their high magnetic strength, high resistance to demagnetisation, and excellent temperature stability. Like all magnets, they have advantages and disadvantages that should be considered when selecting them for use in various applications. Here are some of the advantages and disadvantages of Samarium Cobalt magnets:
    
    Advantages:
    
    High magnetic strength: Samarium Cobalt magnets are known for their exceptional strength and magnetic properties, making them ideal for applications that require high magnetic forces.
    
    High resistance to demagnetisation: They have high resistance to demagnetisation, meaning they can maintain their magnetic strength for long periods of time.
    
    High-temperature stability: Samarium Cobalt magnets are highly resistant to temperature changes, and can maintain their magnetic properties at high temperatures of up to 350°C.
    
    Wide range of shapes and sizes: These magnets can be made in a wide range of shapes and sizes to fit various applications.
    
    Disadvantages:
    
    Cost: Samarium Cobalt magnets are relatively expensive compared to other magnets, such as ferrite magnets.
    
    Brittle: They are brittle and can easily crack or break if dropped or subjected to impact.
    
    Corrosion: They are prone to corrosion and may require coating or plating to protect them from rust and degradation.
    
    Handling: These magnets are extremely strong and can be challenging to handle, requiring care and caution when being installed or removed.
            )
    
        [1] => Array
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                [_data_accordion_title] => Coatings Available for Samarium Cobalt Magnets
                [_data_accordion_text] => Samarium Cobalt magnets stand out for their exceptional corrosion resistance, a characteristic often attributed to their minimal iron content, setting them apart from Neodymium magnets. Typically, these magnets do not require additional coatings or platings. It's noteworthy that while certain grades within the Sm2Co17 family do contain traces of iron, their corrosion resistance remains commendable, especially if not directly exposed to water. For the majority of applications, a coating or plating is not mandatory. However, in environments with acidic conditions, high moisture, or vacuums, it's advised. For those with specific needs, Goudsmit UK provides specialised coating solutions. Trust in our expertise for prolonged magnet lifespan and optimal performance.
    
    Samarium Cobalt (SmCo) magnets are highlighted for their minimal environmental reactivity, making them highly suitable for sectors such as Medical and Aerospace. Before finalising any design approach, we strongly recommend a thorough empirical assessment of the magnet alloy within its intended operational environment. Notably, when deployed in medical settings, our Samarium Cobalt magnets are often fortified with a parylene coating and further enveloped in a material apt for the specific application.
            )
    
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    Unveiling Goudsmit UK’s Samarium Cobalt Magnetic Grades

    Samarium Cobalt Magnets (SmCo) are a type of rare earth magnet that are highly valued for their exceptional strength and temperature stability. These magnets are made from a combination of samarium, cobalt, and small amounts of other rare earth metals. SmCo magnets offer a high energy product and can maintain their magnetic properties in extreme environments, such as high temperatures and corrosive atmospheres.

    Goudsmit UK offer a wide variety of SmCo magnets in different shapes, sizes, and grades to meet your specific needs. Our SmCo magnets range from small disc magnets to large block magnets and can be custom-made to fit your unique requirements. We use only high-quality materials and advanced manufacturing processes to ensure that our magnets have consistent performance and reliability.

    Our team of experts can help you select the right SmCo magnet for your application and provide technical support to ensure that you get the most out of your magnets. Whether you need magnets for medical equipment, aerospace, or any other application, we have the expertise and experience to meet your needs.

    When you choose Goudsmit UK as your magnet supplier, you can expect:

    • High-quality SmCo magnets made from premium materials
    • Customisable options to fit your specific requirements
    • Expert technical support and advice
    • Fast and reliable delivery

    Advantages and Disadvantages of Samarium Cobalt Magnets

    Samarium Cobalt magnets (SmCo) are a type of rare earth magnet known for their high magnetic strength, high resistance to demagnetisation, and excellent temperature stability. Like all magnets, they have advantages and disadvantages that should be considered when selecting them for use in various applications. Here are some of the advantages and disadvantages of Samarium Cobalt magnets:

    Advantages:

    High magnetic strength: Samarium Cobalt magnets are known for their exceptional strength and magnetic properties, making them ideal for applications that require high magnetic forces.

    High resistance to demagnetisation: They have high resistance to demagnetisation, meaning they can maintain their magnetic strength for long periods of time.

    High-temperature stability: Samarium Cobalt magnets are highly resistant to temperature changes, and can maintain their magnetic properties at high temperatures of up to 350°C.

    Wide range of shapes and sizes: These magnets can be made in a wide range of shapes and sizes to fit various applications.

    Disadvantages:

    Cost: Samarium Cobalt magnets are relatively expensive compared to other magnets, such as ferrite magnets.

    Brittle: They are brittle and can easily crack or break if dropped or subjected to impact.

    Corrosion: They are prone to corrosion and may require coating or plating to protect them from rust and degradation.

    Handling: These magnets are extremely strong and can be challenging to handle, requiring care and caution when being installed or removed.

    Coatings Available for Samarium Cobalt Magnets

    Samarium Cobalt magnets stand out for their exceptional corrosion resistance, a characteristic often attributed to their minimal iron content, setting them apart from Neodymium magnets. Typically, these magnets do not require additional coatings or platings. It's noteworthy that while certain grades within the Sm2Co17 family do contain traces of iron, their corrosion resistance remains commendable, especially if not directly exposed to water. For the majority of applications, a coating or plating is not mandatory. However, in environments with acidic conditions, high moisture, or vacuums, it's advised. For those with specific needs, Goudsmit UK provides specialised coating solutions. Trust in our expertise for prolonged magnet lifespan and optimal performance.

    Samarium Cobalt (SmCo) magnets are highlighted for their minimal environmental reactivity, making them highly suitable for sectors such as Medical and Aerospace. Before finalising any design approach, we strongly recommend a thorough empirical assessment of the magnet alloy within its intended operational environment. Notably, when deployed in medical settings, our Samarium Cobalt magnets are often fortified with a parylene coating and further enveloped in a material apt for the specific application.

    Download Our Samarium Cobalt Magnets (SmCo) Brochure

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    Download the Samarium Cobalt Technical Data Sheets

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    Magnetic Grades

    Item Grade GBT 4180-2012 Remanence Coercivity Max Energy Product Max Working Temperature Density Temperature Coefficient of Br Temperature Coefficient of Hcj
    Br Hcb HcJ (BH)max Tw Max P a (Br) a (Hcj)
    T kGs kA/m kOe kA/m kOe KJ/m³ MGOe °C °C % / °C % / °C
    Sm1Co5 Sm1Co5-16 XG1S 135/96 0.79-0.84 7.9-8.4 620-660 7.8-8.3 ≥1830 ≥23 118-135 15-17 ≤250 8.3 -0.035 -0.28
    Sm1Co5-18 XG1S 143/160 0.84-0.89 8.4-8.9 660-700 8.3-8.8 ≥1830 ≥23 135-151 17-19 ≤250 8.3 -0.040 -0.28
    Sm1Co5-20 XG1S 159/140 0.89-0.93 8.9-9.3 684-732 8.6-9.2 ≥1830 ≥23 150-167 19-21 ≤250 8.3 -0.045 -0.28
    Sm1Co5-22 XG1S 175/140 0.92-0.96 9.2-9.6 710-756 8.9-9.5 ≥1830 ≥23 167-183 21-23 ≤250 8.3 -0.045 -0.28
    Sm1Co5-24 / 0.96-1.00 9.6-10.0 740-788 9.3-9.9 ≥1830 ≥23 183-199 23-25 ≤250 8.3 -0.045 -0.28
    Sm2Co17 Sm2Co17-24L / 0.95-1.02 9.5-10.2 541-716 6.8-9.0 636-955 8-12 175-191 22-24 ≤250 8.4 -0.025 -0.28
    Sm2Co17-26L XGS 207/50 1.02-1.05 10.2-10.5 541-784 6.8-9.4 636-955 8-12 191-207 24-26 ≤250 8.4 -0.035 -0.20
    Sm2Co17-28L XGS 223/50 1.03-1.08 10.3-10.8 541-764 6.8.-9.6 636-955 8-12 207-220 26-28 ≤250 8.4 -0.035 -0.20
    Sm2Co17-30L / 1.08-1.10 10.8-11.0 541-796 6.8-10.0 636-955 8-12 223-239 28-30 ≤250 8.4 -0.035 -0.20
    Sm2Co17-32L / 1.10-1.15 11.0-11.5 541--812 6.8-10.2 636-955 8-12 231-255 29-32 ≤250 8.4 -0.035 -0.20
    Sm2Co17-26M XGS 207/80 1.02-1.05 10.2-10.5 676-780 8.5-9.8 955-1433 12-18 191-207 24-26 ≤300 8.4 -0.035 -0.20
    Sm2Co17-28M XGS 223/80 1.03-1.08 10.3-10.8 676-796 8.5-10.0 955-1433 12-18 207-220 26-28 ≤300 8.4 -0.035 -0.20
    Sm2Co17-30M XGS 239/80 1.08-1.10 10.8-11.0 676-835 8.5-10.5 955-1433 12-18 223-239 28-30 ≤300 8.4 -0.035 -0.20
    Sm2Co17-32M / 1.10-1.15 11.0-11.5 676-852 8.5-10.7 955-1433 12-18 231-255 29-32 ≤300 8.4 -0.035 -0.20
    Sm2Co17-33M / 1.13-1.15 11.3-11.5 820-870 10.3-10.9 955-1433 12-18 246-262 31-32 ≤300 8.4 -0.039 -0.22
    Sm2Co17-22 / 0.93-0.97 9.3-9.7 676-740 8.5-9.3 ≥1433 ≥18 160-183 20-23 ≤300 8.4 -0.020 -0.20
    Sm2Co17-24 / 0.95-1.02 9.5-10.2 692-764 8.7-9.6 ≥1433 ≥18 175-191 22-24 ≤300 8.4 -0.025 -0.20
    Sm2Co17-26 XGS 207/160 1.02-1.05 10.2-10.5 748-796 9.4-10.0 ≥1433 ≥18 191-207 24-26 ≤300 8.4 -0.030 -0.20
    Sm2Co17-28 XGS 223/160 1.03-1.08 10.3-10.8 756-812 9.5-10.2 ≥1433 ≥18 207-220 26-28 ≤300 8.4 -0.035 -0.20
    Sm2Co17-30 XGS 223/247 1.08-1.10 10.8-11.0 788-835 9.9-10.5 ≥1433 ≥18 220-240 28-30 ≤300 8.4 -0.035 -0.20
    Sm2Co17-32 / 1.10-1.13 11.0-11.3 812-860 10.2-10.8 ≥1433 ≥18 230-255 29-32 ≤300 8.4 -0.035 -0.20
    Sm2Co17-33 / 1.13-1.15 11.3-11.5 820-870 10.3-10.9 ≥1433 ≥18 246-262 31-32 ≤300 8.4 -0.039 -0.22
    Sm2Co17-24H XGS 191/200 0.95-1.02 9.5-10.2 692-764 8.7-9.6 ≥1990 ≥25 175-191 22-24 ≤350 8.4 -0.025 -0.20
    Sm2Co17-26H XGS 207/200 1.02-1.05 10.2-10.5 748-796 9.4-10.0 ≥1990 ≥25 191-207 24-26 ≤350 8.4 -0.030 -0.20
    Sm2Co17-28H XGS 223/200 1.03-1.08 10.3-10.8 756-812 9.5-10.2 ≥1990 ≥25 207-220 26-28 ≤350 8.4 -0.035 -0.20
    Sm2Co17-30H XGS 239/160 1.08-1.10 10.8-11.0 788-835 9.9-10.5 ≥1990 ≥25 223-239 28-30 ≤350 8.4 -0.035 -0.20
    Sm2Co17-32H / 1.10-1.13 11.0-11.3 812--860 10.2-10.8 ≥1990 ≥25 230-255 29-32 ≤350 8.4 -0.035 -0.20
    Sm2Co17-33H / 1.13-1.15 11.3-11.5 830-880 10.4-11 ≥1990 ≥25 246-262 31-32 ≤350 8.4 -0.039 -0.22
    Sm2Co17-TR Sm2Co17-20TR / 0.9-0.94 9.0-9.4 661-732 8.3-9.2 ≥1592 ≥20 143-159 18-20 ≤500 8.4 -0.035 -0.15
    Sm2Co17-TR Sm2Co17-16LT / 0.81-0.85 8.1-8.5 605-669 7.6-8.4 ≥1592 ≥20 111-127 14-16 ≤300 8.4

    Temperature range

    -50 oC -20 oC

    20 oC -200 oC

    200 oC -300 oC

    Temperature Coefficient of Br

    +0.005%/ oC

    -0.008%/ oC

    -0.011%/ oC

    Sm2Co17-18LT / 0.85-0.9 8.5-9.0 629-708 7.9-8.9 ≥1592 ≥20 127-143 16-18 ≤300 8.4
    Sm2Co17-20LT / 0.9-0.94 9.0-9.4 661-732 8.3-9.2 ≥1592 ≥20 143-159 18-20 ≤300 8.4
    Sm2Co17-22LT / 0.94-0.97 9.4-9.7 685-740 8.6-9.3 ≥1592 ≥20 159-175 20-22 ≤300 8.4

    Experience Exceptional Durability and Strength with Samarium Cobalt Magnets from Goudsmit UK

    Overall, Samarium Cobalt magnets are an excellent choice for high-performance applications that require high magnetic strength and temperature stability. However, their cost and potential drawbacks should be carefully considered before use.Contact us today to learn more about our Samarium Cobalt Magnets (SmCo) and how we can help meet your magnet needs.

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