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  • Samarium Cobalt Magnets (SmCo)

    Premium SmCo magnets offering superior temperature stability and corrosion resistance for the most demanding applications.

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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.
    
    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 ( [_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. 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. ) )

    High-Quality Samarium Cobalt Magnetic Grades

    Samarium Cobalt (SmCo) magnets are renowned for their exceptional magnetic strength, temperature stability, and resistance to corrosion. Ideal for demanding applications, SmCo magnets deliver outstanding performance even in extreme environments such as high temperatures or corrosive atmospheres.

    Goudsmit UK supplies premium-quality SmCo magnets tailored to a broad range of industries. We offer bespoke Samarium Cobalt magnets manufactured to your exact specifications.

    Why Choose Goudsmit UK for Your Samarium Cobalt Magnets?

    • Extensive Range of Grades and Sizes: We provide a diverse selection of SmCo magnets available in various grades, shapes, and sizes, customisable to meet your precise performance requirements.
    • Superior Quality and Reliability: Our SmCo magnets are crafted using premium raw materials and state-of-the-art manufacturing processes to ensure consistent performance, durability, and reliability.
    • Reliable and Timely Delivery: We prioritise prompt delivery, ensuring your orders arrive on time and in full, every time.
    • Expert Technical Support: Our experienced team provides expert advice and ongoing technical support, helping you select the optimal SmCo magnets for your specific application.
    • Tailored Custom Designs: Specialising in bespoke magnet solutions, we custom-design and manufacture SmCo magnets precisely to your requirements.

    Request a quote today for precision-engineered Samarium Cobalt magnets tailored to your unique application needs.

    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.

    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.

    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

    Download Now

    Download Our Samarium Cobalt Technical Data Sheets

    Download Now

    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
    Sm2Co17-35H / 1.16-1.21 11.6-12.1 ≥855 ≥10.7 ≥2000 ≥25 255-279 32-35 ≤200 8.4 -0.039 -0.25
    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

    Samarium Cobalt magnets from Goudsmit UK provide exceptional reliability, superior magnetic strength, and outstanding temperature stability, ensuring dependable performance for your most demanding applications. Our technical experts are ready to assist you in carefully evaluating your specific requirements, guiding you toward the optimal SmCo magnet solution.

    Contact our team today to discuss your needs and discover how our precision-engineered Samarium Cobalt magnets can deliver the performance and durability you require.

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