1. Tube Magnets are similar as Ring Magnet, one popular shape of Rare earth magnets and perment magnets.
2. It is always manufactured via Cutting, Slicing, Drilling, and grinding etc .
3. Tube magnets have the following important factors such as, Outer Diameter, Inner Diameter, Heightetc.
4. Our machining equipments can match customers'any requirment of the magnet processing.
| Sintered NdFeB Magnets |
| Magnetic Characteristics And Physical Properties of Sintered NdFeB |
| Properties | Remanence | Coercive Force | Intrinsic Coercive Force | Max Energy Product | Max Working Temp |
| | Br | Hcb | Hcj | (BH)max | Tw |
| Grade | mT(KGs) | KA/m (KGs) | KA/m (KOe) | KJ/m 3 ( MGOe ) | ℃ |
| N-30 | 1080-1130 | ≥ 796 | ≥ 955 | 223-247 | ≤ 80 |
| (10.8-11.3) | ( ≥ 10) | ( ≥ 12) | (28-31) |
| N-33 | 1130-1180 | ≥ 836 | ≥ 955 | 247-270 | ≤ 80 |
| (11.3-11.8) | ( ≥ 10.5) | ( ≥ 12) | (31-34) |
| N-35 | 1170-1220 | ≥ 868 | ≥ 955 | 263-287 | ≤ 80 |
| (11.7-12.2) | ( ≥ 10.9) | ( ≥ 12) | (33-36) |
| N-38 | 1220-1250 | ≥ 899 | ≥ 955 | 287-310 | ≤ 80 |
| (12.2-12.5) | ( ≥ 11.3) | ( ≥ 12) | (36-39) |
| N-40 | 1250-1280 | ≥ 923 | ≥ 955 | 302-326 | ≤ 80 |
| (12.5-12.8) | ( ≥ 11.6) | ( ≥ 12) | (38-41) |
| N-42 | 1280-1320 | ≥ 923 | ≥ 955 | 318-342 | ≤ 80 |
| (12.8-13.2) | ( ≥ 11.6) | ( ≥ 12) | (40-43) |
| N-45 | 1320-1380 | ≥ 876 | ≥ 955 | 342-366 | ≤ 80 |
| (13.2-13.8) | ( ≥ 11.0) | ( ≥ 12) | (43-46) |
| N-48 | 1380-1420 | ≥ 836 | ≥ 876 | 366-390 | ≤ 80 |
| (13.8-14.2) | ( ≥ 10.5) | ( ≥ 11) | (46-49) |
| N-50 | 1400-1450 | ≥ 860 | ≥ 876 | 382-406 | ≤ 80 |
| (14.0-14.5) | ( ≥ 10.8) | ( ≥ 11) | (48-51) |
| 30M | 1080-1130 | ≥ 796 | ≥ 1114 | 223-247 | ≤ 100 |
| (10.8-11.3) | ( ≥ 10) | ( ≥ 14) | (28-31) |
| 33M | 1130-1180 | ≥ 836 | ≥ 1114 | 247-270 | ≤ 100 |
| (11.3-11.8) | ( ≥ 10.5) | ( ≥ 14) | (31-34) |
| 35M | 1170-1220 | ≥ 868 | ≥ 1114 | 263-287 | ≤ 100 |
| (11.7-12.2) | ( ≥ 10.9) | ( ≥ 14) | (33-36) |
| 38M | 1220-1250 | ≥ 899 | ≥ 1114 | 287-310 | ≤ 100 |
| (12.2-12.5) | ( ≥ 11.3) | ( ≥ 14) | (36-39) |
| 40M | 1250-1280 | ≥ 923 | ≥ 1114 | 302-326 | ≤ 100 |
| (12.5-12.8) | ( ≥ 11.6) | ( ≥ 14) | (38-41) |
| 42M | 1280-1320 | ≥ 955 | ≥ 1114 | 318-342 | ≤ 100 |
| 12.8-13.2 | ( ≥ 12.0) | ( ≥ 14) | (40-43) |
| 45M | 1320-1380 | ≥ 995 | ≥ 1114 | 342-366 | ≤ 100 |
| (13.2-13.8) | ( ≥ 12.5) | ( ≥ 14) | (43-46) |
| 48M | 1360-1430 | ≥ 1027 | ≥ 1114 | 366-390 | ≤ 100 |
| (13.6-14.3) | ( ≥ 12.9) | ( ≥ 14) | (46-49) |
| 50M | 1400-1450 | ≥ 1033 | ≥ 1114 | 382-406 | ≤ 100 |
| (14.0-14.5) | ( ≥ 13.0) | ( ≥ 14) | (48-51) |
| 30H | 1080-1130 | ≥ 796 | ≥ 1353 | 223-247 | ≤ 120 |
| (10.8-11.3) | ( ≥ 10) | ( ≥ 17) | (28-31) |
| 33H | 1130-1180 | ≥ 836 | ≥ 1353 | 247-271 | ≤ 120 |
| (11.3-11.8) | ( ≥ 10.5) | ( ≥ 17) | (31-34) |
| 35H | 1170-1220 | ≥ 868 | ≥ 1353 | 263-287 | ≤ 120 |
| (11.7-12.2) | ( ≥ 10.9) | ( ≥ 17) | (33-36) |
| 38H | 1220-1250 | ≥ 899 | ≥ 1353 | 287-310 | ≤ 120 |
| (12.2-12.5) | ( ≥ 11.3) | ( ≥ 17) | (36-39) |
| 40H | 1250-1280 | ≥ 923 | ≥ 1353 | 302-326 | ≤ 120 |
| (12.5-12.8) | ( ≥ 11.6) | ( ≥ 17) | (38-41) |
| 42H | 1280-1320 | ≥ 955 | ≥ 1353 | 318-342 | ≤ 120 |
| (12.8-13.2) | ( ≥ 12.0) | ( ≥ 17) | (40-43) |
| 45H | 1320-1380 | ≥ 963 | ≥ 1353 | 342-366 | ≤ 120 |
| (13.2-13.8) | ( ≥ 12.1) | ( ≥ 17) | (43-46) |
| 48H | 1370-1430 | ≥ 995 | ≥ 1274 | 366-390 | ≤ 120 |
| (13.7-14.3) | ( ≥ 12.5) | ( ≥ 16) | (46-49) |
| 30SH | 1080-1130 | ≥ 804 | ≥ 1592 | 223-247 | ≤ 150 |
| (10.8-11.3) | ( ≥ 10.1) | ( ≥ 20) | (28-31) |
| 33SH | 1130-1170 | ≥ 844 | ≥ 1592 | 247-271 | ≤ 150 |
| (11.3-11.7) | ≥ 10.6 | ( ≥ 20) | (31-34) |
| 35SH | 1170-1220 | ≥ 876 | ≥ 1592 | 263-287 | ≤ 150 |
| (11.7-12.2) | ( ≥ 11.0) | ( ≥ 20) | (33-36) |
| 38SH | 1220-1250 | ≥ 907 | ≥ 1592 | 287-310 | ≤ 150 |
| (12.2-12.5) | ( ≥ 11.4) | ( ≥ 20) | (36-39) |
| 40SH | 1250-1280 | ≥ 939 | ≥ 1592 | 302-326 | ≤ 150 |
| (12.5-12.8) | ( ≥ 11.8) | ( ≥ 20) | (38-41) |
| 42SH | 1280-1320 | ≥ 995 | ≥ 1592 | 318-342 | ≤ 150 |
| (12.8-13.2) | ( ≥ 12.5) | ( ≥ 20) | (40-43) |
| 45SH | 1320-1380 | ≥ 1003 | ≥ 1592 | 342-366 | ≤ 150 |
| (13.2-13.8) | ( ≥ 12.6) | ( ≥ 20) | (43-46) |
| 28UH | 1020-1080 | ≥ 764 | ≥ 1990 | 207-231 | ≤ 180 |
| (10.2-10.8) | ( ≥ 9.6) | ( ≥ 25) | (26-29) |
| 30UH | 1080-1130 | ≥ 812 | ≥ 1990 | 223-247 | ≤ 180 |
| (10.8-11.3) | ( ≥ 10.2) | ( ≥ 25) | (28-31) |
| 33UH | 1130-1170 | ≥ 852 | ≥ 1990 | 247-271 | ≤ 180 |
| (11.3-11.7) | ( ≥ 10.7) | ( ≥ 25) | (31-34) |
| 35UH | 1180-1220 | ≥ 860 | ≥ 1990 | 263-287 | ≤ 180 |
| (11.8-12.2) | ( ≥ 10.8) | ( ≥ 25) | (33-36) |
| 38UH | 1220-1250 | ≥ 907 | ≥ 1990 | 287-310 | ≤ 180 |
| (12.2-12.5) | ( ≥ 11.4) | ( ≥ 25) | (36-39) |
| 30EH | 1080-1130 | ≥ 812 | ≥ 2388 | 223-247 | ≤ 200 |
| (10.8-11.3) | ( ≥ 10.2) | ( ≥ 30) | (28-31) |
| 33EH | 1130-1170 | ≥ 812 | ≥ 2388 | 247-271 | ≤ 200 |
| (11.3-11.7) | ( ≥ 10.2) | ( ≥ 30) | (31-34) |
| 35EH | 1170-1220 | ≥ 876 | ≥ 2388 | 263-287 | ≤ 200 |
| (11.7-12.2) | ( ≥ 11.0) | ( ≥ 30) | (33-36) |
| 30AH | 1080-1130 | ≥ 812 | ≥ 2785 | 223-247 | ≤ 240 |
| (10.8-11.3) | ( ≥ 10.2) | ( ≥ 35) | (28-31) |
| 33AH | 1130-1170 | ≥ 812 | ≥ 2785 | 247-271 | ≤ 240 |
| (11.3-11.7) | ( ≥ 10.2) | ( ≥ 35) | 31-34 |
| | | | | | |
| NOTES: |
| The above-mentioned data of magnetic parameters and physical properties ars given at room temperature. |
| The maximum service temperature of magnet is changeable due to the ratio length and diameter and |
| Environmental factors. |
| Density: 7.4~7.6g/cm 3 ; α Br:-0.09~0.13%/ ℃, β Hcj: -0.50~0.80%/ ℃; Hv:600. |

The demagnetized curve of N40SHT
Tube Magnet has been presented above, want more similar products, please click strong magnet,strong magnets,magnet tube.
Our Tube Magnet is good in quality and competitive in price. We manufacture Tube Magnet and supply OEM, ODM service according to your requirement.
If you want more detailed information of this product or related problems, please contact with us, we will reply as soon as possible (general in 24 hours).
Category:
NdFeB Tube Magnets
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