Horseshoe Ferrite Magnets also called ceramic horseshoe magnets or U-shape ferrite magnets, are widely used in teaching and playing. also known as ceramic educational magnets, are offered in a wide range of sizes, dimensions, shapes and colors.
We usually paint Ferrite horseshoe educational magnet in no color, red-green or red-blue, or we combine them with other material such as metal and plastic. Meantime, these products comply with the international safety standards.
Educational U-shape magnet is safe to children’s health. We manufacture educational magnets based on customers’ requirements. Computer, science, biological engineering, medical apparatus and instruments, instruments and meters.
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Typical Magnetic Performance for Hard Ferrite magnet
Grade | Remanence | Coercive Force | Intrinsic Coercive | Max Energy | Density | ||||
Br | Hcb | Hcj | (BH)max | ||||||
mT | Gs | KA/m | Oe | KA/m | Oe | KJ/m3 | MGOe | g/cm3 | |
Y8T | 200-235 | ≧2000 | 125-160 | ≧1570 | 210-280 | ≧2610 | 6.5-9.5 | ≧0.8 | 4.8 |
Y22H | 310-360 | ≧3100 | 220-250 | ≧2770 | 280-320 | ≧3520 | 20.0-24.0 | ≧2.5 | 4.9 |
Y25 | 360-400 | ≧3600 | 135-170 | ≧1700 | 140-200 | ≧1760 | 22.5-28.0 | ≧2.8 | 4.9 |
Y26H-1 | 360-390 | ≧3600 | 200-250 | ≧2512 | 225-255 | ≧2830 | 23.0-28.0 | ≧2.9 | 4.9 |
Y26H-2 | 360-380 | ≧3600 | 263-288 | ≧3300 | 318-350 | ≧4000 | 24.0-28.0 | ≧3 | 4.9 |
Y27H | 350-380 | ≧3500 | 225-240 | ≧2830 | 235-260 | ≧2950 | 25.0-29.0 | ≧3.1 | 4.9 |
Y28 | 370-400 | ≧3700 | 175-210 | ≧2200 | 180-220 | ≧2260 | 26.0-30.0 | ≧3.3 | 4.9 |
Y28H-1 | 380-400 | ≧3800 | 240-260 | ≧3020 | 250-280 | ≧3140 | 27.0-30.0 | ≧3.4 | 4.9 |
Y28H-2 | 360-380 | ≧3600 | 271-295 | ≧3400 | 382-405 | ≧4800 | 26.0-30.0 | ≧3.3 | 4.9 |
Y30 | 370-400 | ≧3700 | 175-210 | ≧2200 | 180-220 | ≧2260 | 26.0-30.0 | ≧3.3 | 4.9 |
Y30BH | 380-390 | ≧3800 | 223-235 | ≧2800 | 231-245 | ≧2900 | 27.0-30.0 | ≧3.4 | 4.9 |
Y30H-1 | 380-400 | ≧3800 | 230-275 | ≧2890 | 235-290 | ≧2950 | 27.0-32.5 | ≧3.4 | 4.9 |
Y30H-2 | 395-415 | ≧3950 | 275-300 | ≧3460 | 310-335 | ≧3900 | 27.0-32.0 | ≧3.4 | 4.9 |
Y32 | 400-420 | ≧4000 | 160-190 | ≧2010 | 165-195 | ≧2070 | 30.0-33.5 | ≧3.8 | 4.9 |
Y32H-1 | 400-420 | ≧4000 | 190-230 | ≧2390 | 230-250 | ≧2890 | 31.0-35.0 | ≧3.9 | 4.9 |
Y32H-2 | 400-440 | ≧4000 | 224-240 | ≧2810 | 230-250 | ≧2890 | 31.0-34.0 | ≧3.9 | 4.9 |
Y33 | 410-430 | ≧4100 | 220-250 | ≧2760 | 225-255 | ≧2830 | 31.5-35.0 | ≧4 | 4.9 |
Y33H | 410-430 | ≧4100 | 250-270 | ≧3140 | 250-275 | ≧3140 | 31.5-35.0 | ≧4 | 4.9 |
Y34 | 420-440 | ≧4200 | 200-230 | ≧2510 | 205-235 | ≧2580 | 32.5-36.0 | ≧4.1 | 4.9 |
Y35 | 430-450 | ≧4300 | 215-239 | ≧2700 | 217-241 | ≧2730 | 33.1-33.2 | ≧4.2 | 4.9 |
Y36 | 440-450 | ≧4400 | 247-271 | ≧3100 | 250-374 | ≧3140 | 35.1-38.3 | ≧4.4 | 4.9 |
Y38 | 440-460 | ≧4400 | 285-305 | ≧3580 | 294-310 | ≧3690 | 36.6-40.6 | ≧4.6 | 4.9 |
Y40 | 450-460 | ≧4500 | 330-354 | ≧4150 | 340-360 | ≧4270 | 37.6-41.8 | ≧4.7 | 4.9 |
Physical property of Hard Ferrite magnets
Curie Temperature (°C) | 450 |
Maximum Operating Temperature (°C) | 250 |
Hardness (Hv) | 480-580 |
Density (g/cm³) | 4.8 - 4.9 |
Relative Recoil Permeability (μrec) | 1.05 - 1.20 |
Saturation Field Strength, kOe (KA/m) | 10 (800) |
Temperature Coefficient of Br (%/°C) | -0.2 |
Temperature Coefficient of iHc (%/°C) | 0.3 |
Tensile Strength (N/mm) | <100 |
Transverse Rupture Strength (N/mm) | 300 |
USA Standard - Permanent Ferrite / Ceramic magnet
Grade | Remanence | Coercive Force | Intrinsic Coercive | Max Energy | Density | Tw Max | Remark | ||||
Br | Hcb | Hcj | BHmax | ||||||||
KGs | mT | KOe | KA/m | KOe | KA/m | KJ/m³ | MGOe | g/cm³ | ℃ | ||
C1 | 2.3 | 230 | 1.86 | 150 | 3.5 | 258 | 8.36 | 1.05 | 4.8 | 250 | Isotropic |
C5 | 3.8 | 380 | 2.4 | 190 | 2.5 | 200 | 27.1 | 3.4 | 4.9 | 250 | |
C7 | 3.4 | 340 | 3.23 | 258 | 4.0 | 318 | 21.9 | 2.75 | 4.9 | 250 | |
C8(C8A) | 3.85 | 385 | 2.95 | 235 | 3.0 | 240 | 27.8 | 3.5 | 4.9 | 250 | Anisotropic |
C8B | 4.2 | 420 | 2.9 | 232 | 2.96 | 236 | 32.8 | 4.1 | 4.9 | 250 | |
C9 | 3.8 | 380 | 3.5 | 280 | 4.0 | 320 | 26.4 | 3.3 | 4.9 | 250 | |
C10 | 4.0 | 400 | 3.6 | 288 | 3.5 | 280 | 30.4 | 3.8 | 4.9 | 250 | |
C11 | 4.3 | 430 | 2.5 | 200 | 2.55 | 204 | 34.4 | 4.3 | 4.9 | 250 | |
The Standard of International Electronics Committee (IEC404-8-1)
Grade | Remanence | Coercive Force | Intrinsic Coercive | Max Energy | Density | ||||
Br | Hcb | Hcj | (BH)max | ||||||
KGs | mT | KOe | KA/m | KOe | KA/m | KJ/m3 | MGOe | g/cm3 | |
HF8/22 | 2.00-2.20 | 200-220 | 1.57-1.76 | 125-140 | 2.76-2.89 | 220-230 | 6.5-6.8 | 0.8-1.1 | 4.8 |
HF20/19 | 3.20-3.33 | 320-333 | 2.14-2.39 | 170-190 | 2.39-2.51 | 190-200 | 20.0-21.0 | 2.5-2.7 | 4.9 |
HF20/28 | 3.10-3.25 | 310-325 | 2.76-2.89 | 220-230 | 3.52-3.64 | 280-290 | 20.0-21.0 | 2.5-2.7 | 4.9 |
HF22/30 | 3.50-3.65 | 350-365 | 3.20-3.33 | 255-265 | 3.64-3.77 | 290-300 | 22.0-23.5 | 2.8-3.0 | 4.9 |
HF24/16 | 3.50-3.65 | 350-365 | 1.95-2.20 | 155-175 | 2.01-2.26 | 160-180 | 24.0-25.5 | 3.0-3.2 | 4.9 |
HF24/23 | 3.50-3.65 | 350-365 | 2.76-2.89 | 220-230 | 2.89-3.01 | 230-240 | 24.0-25.5 | 3.0-3.2 | 4.9 |
HF24/35 | 3.60-3.70 | 360-370 | 3.27-3.39 | 260-270 | 4.40-4.52 | 350-360 | 24.0-25.5 | 3.0-3.2 | 4.9 |
HF26/16 | 3.70-3.80 | 370-380 | 1.95-2.20 | 155-175 | 2.01-2.26 | 160-180 | 26.0-27.0 | 3.2-3.4 | 4.9 |
HF26/18 | 3.70-3.80 | 370-380 | 2.20-2.39 | 175-190 | 2.26-2.39 | 180-190 | 26.0-27.0 | 3.3-3.4 | 4.9 |
HF26/24 | 3.70-3.80 | 370-380 | 2.89-3.01 | 230-240 | 3.01-3.14 | 240-250 | 26.0-27.0 | 3.3-3.4 | 4.9 |
HF26/26 | 3.70-3.80 | 370-380 | 2.89-3.01 | 230-240 | 3.27-3.39 | 260-270 | 26.0-27.0 | 3.3-3.4 | 4.9 |
HF26/30 | 3.85-3.95 | 385-395 | 3.27-3.39 | 260-270 | 3.77-3.89 | 300-310 | 26.0-27.0 | 3.3-3.4 | 4.9 |
HF28/26 | 3.85-3.95 | 385-395 | 3.14-3.33 | 250-265 | 3.27-3.45 | 260-275 | 28.0-30.0 | 3.5-3.8 | 4.9 |
HF28/28 | 3.85-3.95 | 385-395 | 3.27-3.39 | 260-270 | 3.50-3.60 | 280-290 | 28.0-30.0 | 3.5-3.8 | 4.9 |
HF30/26 | 3.95-4.05 | 395-405 | 3.14-3.33 | 250-260 | 3.27-3.39 | 260-270 | 30.0-31.5 | 3.8-3.9 | 4.9 |
