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SmCo Magnets
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SmCo Ring Magnets

Product Introduction
The maxmium diameter of these Samarium Cobalt Ring Magnets can up to 120mm.
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Description

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SmCo Ring Magnets are mainly include metal material: Samarium and Cobalts Metals.The thin thickness disc or thin wall ring magnets can be obtained by choicing SmCo5 magnets.

The maxmium diameter of these Samarium Cobalt Magnets can up to 120mm.Different dimensions available with different coating.Of course, they always do not need coating because SmCo magnets are high resistant.Axially Magnetized or Diametrically Magnetized can be done according to customer's requirement.

Small Quantities Samples can be supplied with Affordable price to support customer. if you need stronger ring magnets, maybe can choice Neodymium Ring Magnets, but its max working temperture is lower than SmCo ring magnets.

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SmCo Ring Magnets Dimension tolerance for reference .

Dimension Range(mm) Cylindricity(mm) Tolerance(mm) Parallelism(mm)
1 d 3 0.04 0.04 0.04
3 d 5 0.04 0.04 0.04
5 d 15 0.05 0.05 0.05
d>15 0.1 0.05 0.1

Magnetic Properties List of Samarium Cobalt ring magnet

Material Grade Br Hcb Hcj (BH)max Tc Tw Br £ Hcj)
T KGs KA/m KOe KA/m KOe KJ/m3 MGOe     %/ %/
SmCO5 Sm2Co17 XGS16L 0.81-0.85 8.1-8.5 517-669 6.5-8.4 636-955 8--12 111-127 14-16 800 250 0.020 0.20
XGS18L 0.85-0.90 8.5-9.0 525-708 6.6-8.9 636-955 8--12 127-143 16-18 800 250 0.020 0.20
XGS20L 0.90-0.94 9.0-9.4 533-732 6.7-9.2 636-955 8--12 143-159 18-20 800 250 0.020 0.20
XGS22L 0.94-0.97 9.4-9.7 533-740 6.7-9.3 636-955 8--12 159-175 20-22 800 250 0.020 0.20
XGS24L 0.97-1.02 9.7-10.2 541-756 6.8-9.5 636-955 8--12 175-191 22-24 800 250 0.030 0.20
XGS26L 1.02-1.05 10.2-10.5 541-764 6.8-9.6 636-955 8--12 191-207 24-26 800 250 0.030 0.20
XGS28L 1.05-1.08 10.5-10.8 541-780 6.8-9.8 636-955 8--12 207-223 26-28 800 250 0.035 0.20
XGS30L 1.08-1.11 10.8-11.1 541-796 6.8-10.0 636-955 8--12 223-239 28-30 800 250 0.035 0.20
XGS32L-A 1.11-1.13 11.1-11.3 549-804 6.9-10.1 636-955 8--12 239-246 30-31 800 250 0.035 0.22
XGS32L-B 1.13-1.15 11.3-11.5 550-805 6.9-10.1 636-955 8--12 246-255 31-32 800 250 0.040 0.25
XGS33L 1.15-1.17 11.5-11.7 558-815 7.0-10.2 636-955 8--12 246-262 31-33 800 250 0.045 0.25
XGS16M 0.81-0.85 8.1-8.5 573-669 7.2-8.4 955-1433 12--18 111-127 14-16 800 300 0.020 0.20
XGS18M 0.85-0.90 8.5-9.0 605-708 7.6-8.9 955-1433 12--18 127-143 16-18 800 300 0.020 0.20
XGS20M 0.90-0.94 9.0-9.4 637-732 8.0-9.2 955-1433 12--18 143-159 18-20 800 300 0.020 0.20
XGS22M 0.94-0.97 9.4-9.7 645-740 8.1-9.3 955-1433 12--18 159-175 20-22 800 300 0.020 0.20
XGS24M 0.97-1.02 9.7-10.2 661-764 8.3-9.6 955-1433 12--18 175-191 22-24 800 300 0.030 0.20
XGS26M 1.02-1.05 10.2-10.5 685-788 8.6-9.9 955-1433 12--18 191-207 24-26 800 300 0.030 0.20
XGS28M 1.05-1.08 10.5-10.8 693-812 8.7-10.2 955-1433 12--18 207-223 26-28 800 300 0.035 0.20
XGS30M 1.08-1.11 10.8-11.1 700-828 8.8-10.4 955-1433 12--18 223-239 28-30 800 300 0.035 0.20
XGS32M-A 1.11-1.13 11.1-11.3 708-852 8.9-10.7 955-1433 12--18 239-246 30-31 800 300 0.035 0.22
XGS32M-B 1.13-1.15 11.3-11.5 716-860 9.0-10.8 955-1433 12--18 246-255 31-32 800 300 0.040 0.25
XGS33M 1.15-1.17 11.5-11.7 726-870 9.1-10.9 955-1433 12--18 246-262 31-33 800 300 0.045 0.25
XGS14 0.74-0.81 7.4-8.1 540-609 7.0-7.9 1433 18 96--111 12--14 800 300 0.020 0.20
XGS16 0.81-0.85 8.1-8.5 597-669 7.5-8.4 1433 18 111-127 14-16 800 300 0.020 0.20
XGS18 0.85-0.90 8.5-9.0 621-708 7.8-8.9 1433 18 127-143 16-18 800 300 0.020 0.20
XGS20 0.90-0.94 9.0-9.4 653-732 8.2-9.2 1433 18 143-159 18-20 800 300 0.020 0.20
XGS22 0.94-0.97 9.4-9.7 677-740 8.5-9.3 1433 18 159-175 20-22 800 300 0.020 0.20
XGS24 0.97-1.02 9.7-10.2 693-772 8.7-9.7 1433 18 175-191 22-24 800 300 0.030 0.20
XGS26 1.02-1.05 10.2-10.5 748-796 9.4-10.0 1433 18 191-207 24-26 800 300 0.030 0.20
XGS28 1.05-1.08 10.5-10.8 756-820 9.5-10.3 1433 18 207-223 26-28 800 300 0.035 0.20
XGS30 1.08-1.11 10.8-11.1 788-836 9.9-10.5 1433 18 223-239 28-30 800 300 0.035 0.20
XGS32-A 1.11-1.13 11.1-11.3 812-860 10.2-10.8 1433 18 239-246 30-31 800 300 0.035 0.22
XGS32-B 1.13-1.15 11.3-11.5 820-870 10.3-10.9 1433 18 246-255 31-32 800 300 0.040 0.25
XGS33 1.15-1.17 11.5-11.7 830-880 10.4-11.0 1433 18 246-262 31-33 800 300 0.045 0.25
XGS14H 0.74-0.81 7.4-8.1 557-629 7.0-7.9 1990 25 96--111 12--14 800 350 0.020 0.20
XGS16H 0.81-0.85 8.1-8.5 605-669 7.6-8.4 1990 25 111-127 14-16 800 350 0.020 0.20
XGS18H 0.85-0.90 8.5-9.0 629-708 7.9-8.9 1990 25 127-143 16-18 800 350 0.020 0.20
XGS20H 0.90-0.94 9.0-9.4 661-732 8.3-9.2 1990 25 143-159 18-20 800 350 0.020 0.20
XGS22H 0.94-0.97 9.4-9.7 685-740 8.6-9.3 1990 25 159-175 20-22 800 350 0.020 0.20
XGS24H 0.97-1.02 9.7-10.2 700-772 8.8-9.7 1990 25 175-191 22-24 800 350 0.030 0.20
XGS26H 1.02-1.05 10.2-10.5 756-796 9.5-10.0 1990 25 191-207 24-26 800 350 0.030 0.20
XGS28H 1.05-1.08 10.5-10.8 764-820 9.6-10.3 1990 25 207-223 26-28 800 350 0.035 0.20
XGS30H 1.08-1.11 10.8-11.1 796-836 10.0-10.5 1990 25 223-239 28-30 800 350 0.035 0.20
XGS32H-A 1.11-1.13 11.1-11.3 820-860 10.3-10.8 1990 25 239-246 30-31 800 350 0.035 0.22
XGS32H-B 1.13-1.15 11.3-11.5 830-880 10.4-11.0 1990 25 246-255 31-32 800 350 0.040 0.25
XGS33H 1.15-1.17 11.5-11.7 840-890 10.5-11.1 1990 25 246-262 31-33 800 350 0.042 0.28
 
Sm2Co17-LT XGS14LT 0.74-0.81 7.4-8.1 557-629 7.0-7.9 1592 20 96--111 12--14 840 350    
XGS16LT 0.81-0.85 8.1-8.5 605-669 7.6-8.4 1592 20 111-127 14-16 840 350 -50--20 +0.005%/
XGS18LT 0.85-0.90 8.5-9.0 629-708 7.9-8.9 1592 20 127-143 16-18 840 350 20--200 -0.008%/
XGS20LT 0.90-0.94 9.0-9.4 661-732 8.3-9.2 1592 20 143-159 18-20 840 350 200-300 -0.011%/

About Us

Mag-spring was established in 2003 and is located in Ningbo, Zhejiang Province, China. It is a comprehensive manufacturer of magnetic application products, specializing in the research, design and production of magnetic filters and various magnetic application components.

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The company has a group of professional technicians and production equipment, operates strictly in accordance with the ISO9001 quality system, and continuously strengthens internal management. While the company is constantly developing, it pays attention to environmental protection. It is an ISO14001 certified enterprise, and the company's products meet the requirements of the EU ROHS directive.

Based on the enterprise tenet of "efficiency, perfection, harmony and dedication" and the enterprise slogan of "everything we handle must be excellent", with many years of experience in research, design, manufacturing and sales in the field of magnetic products, the company's products have been recognized by many customers at home and abroad. We will sincerely look forward to cooperating with you with high-quality products, preferential prices and the best services.

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No. 99 Lipu Road Xiepu Zhenhai Ningbo
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