Sintered Neodymium Super Ring Magnet 0.75" OD 0.25" ID 0.25" thick
Specifications
Permanent Magnet
1) High quality consistency
2) Excellent anti-corrosion property
3) SST: 48/72 hours
4) Low weight loss
Sintered Neodymium Super Ring Magnet 0.75" OD 0.25" ID 0.25" thick
Sintered Neodymium Super Ring Magnet 0.75" OD 0.25" ID 0.25" thick
Magnet Information | |||
Description | Sintered NdFeB Magnet | ||
Material: | Neodymium-Iron-Boron | ||
Shape: | Ring, Thin-wall ring, Disc, Cylinder, Segment,Contersunk, Tapezoid, Irregular Shape…With special shape requirement, we have own R & D dept. to support | ||
Coating: | Ni-Cu-Ni, Nickel, Zn, Gold, Cr, Silver, Copper, Anti-Rust Oil, Spray Rolling, Black, Grey Epoxy, PTFE, Parylene, and so on. | ||
Magnetic Performance Sheet | |||
Grade | Remanence(Br) | Coercivity(BH) max kJ/m3 | Temperature |
mT | KJ/M3 | (Tw°C) | |
(kGs) | MGOe | ||
N35-N52 | 1170-1480 | 263-422 | 80 °C |
(10.3-14.8) | (33-53) | ||
35M-50M | 1080-1450 | 263-406 | 100 °C |
(10.8-14.5) | (33-51) | ||
35H-48H | 1170-1430 | (263-390) | 120 °C |
(11.7-14.3) | (33-49) | ||
35SH-45SH | 1130-1380 | 247-366 | 150 °C |
(11.3-13.8) | (33-46) | ||
30UH-40UH | 1080-1280 | 263-326 | 180 °C |
(10.8-12.8) | (33-41) | ||
30EH-38EH | 1080-1250 | 223-310 | 200 °C |
(10.8-12.5) | (28-39) | ||
Magnet Coating | |||
Coating | Thickness (Microns) | Color | Resistance |
Anti-Rust Oil | 1 | Trancparency | Temporary Protection |
Spray Rolling | 10-30 | Common Black | 24 hours of salt spray test |
Zinc | 5-10 | Bright Blue | 24 hours of salt spray test |
Nickle | 10-15 | Bright Silver | 48 hours of salt spray test |
Ni+Cu | 10-20 | Gold | Temporary Protection |
Ni+Cu+Epoxy | 15-30 | Grey, Black | Excellent Against Humidity & Salt Spray |
Epoxy | 15-25 | Grey, Black | 72 hours of salt spray test |
Parylene | 10-30 | Trancparency | 200 hours of Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria |
Sintered Neodymium Super Ring Magnet 0.75" OD 0.25" ID 0.25" thick
Grade | corrosion stable | corrosion stable & high resist of temp. | Remanence | Normal coercivity | Intrinsic coercivity | Max. energy product | Max. operating temp. | ||||||
specify as: grade+"/S" | specify as: grade+"/ST" | Br | Hcb | Hcj | BH(max) | ||||||||
mT | kA/m | kA/m (min) | kJ/m3 | ||||||||||
min | typ | min | typ | 20 ℃ | 120℃ for "/ST" | 150℃ for "/ST" | 180℃ for "/ST" | min | typ | ||||
N 35 | 1170 | 1220 | 870 | 920 | 955 | 263 | 279 | 80 | |||||
N 38 | 1220 | 1260 | 870 | 920 | 955 | 279 | 303 | 80 | |||||
N 40 | 1260 | 1300 | 870 | 920 | 955 | 303 | 318 | 80 | |||||
N 42 | 1300 | 1330 | 870 | 920 | 955 | 318 | 334 | 80 | |||||
N 45 | 1330 | 1370 | 900 | 930 | 955 | 334 | 358 | 80 | |||||
N 48 | 1370 | 1410 | 900 | 930 | 955 | 358 | 382 | 80 | |||||
N 50 | 1410 | 1440 | 830 | 850 | 875 | 382 | 398 | 70 | |||||
N 52 | 1440 | 1470 | 830 | 850 | 875 | 398 | 414 | 70 | |||||
N 33 M | 1140 | 1170 | 830 | 880 | 1114 | 239 | 263 | 100 | |||||
N 35 M | 1170 | 1220 | 870 | 920 | 1114 | 263 | 279 | 100 | |||||
N 38 M | 1220 | 1260 | 900 | 950 | 1114 | 279 | 303 | 100 | |||||
N 40 M | 1260 | 1300 | 930 | 980 | 1114 | 303 | 318 | 100 | |||||
N 42 M | 1300 | 1330 | 950 | 1000 | 1114 | 318 | 334 | 100 | |||||
N 45 M | 1330 | 1370 | 980 | 1030 | 1114 | 334 | 358 | 100 | |||||
N 48 M | 1370 | 1410 | 1010 | 1060 | 1114 | 358 | 382 | 90 | |||||
N 50 M | 1410 | 1440 | 1030 | 1080 | 1114 | 382 | 398 | 90 | |||||
N 30 H | 1080 | 1140 | 810 | 860 | 1353 | 223 | 239 | 120 | |||||
N 33 H | 1140 | 1170 | 830 | 880 | 1353 | 239 | 263 | 120 | |||||
N 35 H | 35 H/S | 1170 | 1220 | 870 | 920 | 1353 | 263 | 279 | 120 | ||||
N 38 H | 38 H/S | 38 H/ST | 1220 | 1260 | 900 | 950 | 1353 | 500 | 279 | 303 | 120 | ||
N 40 H | 40 H/S | 40 H/ST | 1260 | 1300 | 930 | 980 | 1353 | 500 | 303 | 318 | 120 | ||
N 42 H | 42 H/S | 40 H/ST | 1300 | 1330 | 950 | 1000 | 1353 | 500 | 318 | 334 | 120 | ||
N 44 H | 44 H/S | 44 H/ST | 1330 | 1360 | 970 | 1020 | 1353 | 500 | 334 | 350 | 120 | ||
N 46 H | 46 H/S | 46 H/ST | 1360 | 1380 | 980 | 1040 | 1353 | 500 | 350 | 366 | 120 | ||
N 48 H | 48 H/S | 1380 | 1410 | 1010 | 1060 | 1353 | 366 | 382 | 120 | ||||
N50H | 1400 | 1440 | 830 | 850 | 1353 | 380 | 390 | 120 | |||||
N 30 SH | 1080 | 1140 | 810 | 860 | 1592 | 223 | 239 | 150 | |||||
N 33 SH | 1140 | 1170 | 830 | 880 | 1592 | 239 | 263 | 150 | |||||
N 35 SH | 35 SH/S | 35 SH/ST | 1170 | 1220 | 870 | 920 | 1592 | 500 | 263 | 279 | 150 | ||
N 38 SH | 38 SH/S | 38 SH/ST | 1220 | 1260 | 900 | 950 | 1592 | 500 | 279 | 303 | 150 | ||
N 40 SH | 40 SH/S | 40 SH/ST | 1260 | 1300 | 930 | 980 | 1592 | 500 | 303 | 318 | 150 | ||
N 42 SH | 42 SH/S | 42 SH/ST | 1300 | 1330 | 950 | 1000 | 1592 | 500 | 318 | 334 | 150 | ||
N 44 SH | 44 SH/S | 44 SH/ST | 1330 | 1360 | 970 | 1020 | 1592 | 500 | 334 | 350 | 150 | ||
N 46 SH | 46 SH/S | 1360 | 1380 | 980 | 1040 | 1592 | 350 | 366 | 150 | ||||
N 28 UH | 1040 | 1080 | 770 | 810 | 1989 | 199 | 223 | 180 | |||||
N 30 UH | 30 UH/S | 30 UH/ST | 1080 | 1140 | 810 | 860 | 1989 | 720 | 223 | 239 | 180 | ||
N 33 UH | 33 UH/S | 33 UH/ST | 1140 | 1170 | 830 | 880 | 1989 | 720 | 239 | 263 | 180 | ||
N 35 UH | 35 UH/S | 35 UH/ST | 1170 | 1220 | 870 | 920 | 1989 | 720 | 263 | 279 | 180 | ||
N 38 UH | 38 UH/S | 38 UH/ST | 1220 | 1260 | 900 | 950 | 1989 | 720 | 279 | 303 | 180 | ||
N 40 UH | 40 UH/S | 1260 | 1300 | 930 | 980 | 1989 | 303 | 318 | 180 | ||||
N 42 UH | 42 UH/S | 1300 | 1330 | 950 | 1000 | 1989 | 318 | 334 | 180 | ||||
N 28 EH | 1040 | 1080 | 770 | 810 | 2387 | 199 | 223 | 200 | |||||
N 30 EH | 30 EH/S | 30 EH/ST | 1080 | 1140 | 810 | 860 | 2387 | 950 | 223 | 239 | 200 | ||
N 33 EH | 33 EH/S | 33 EH/ST | 1140 | 1170 | 830 | 880 | 2387 | 950 | 239 | 263 | 200 | ||
N 35 EH | 35 EH/S | 35 EH/ST | 1170 | 1220 | 870 | 920 | 2387 | 950 | 263 | 279 | 200 | ||
N 38 EH | 38 EH/S | 1220 | 1260 | 900 | 950 | 2387 | 279 | 303 | 200 | ||||
N 25 AH | 25 AH/S | 25 AH/ST | 970 | 1020 | 730 | 770 | 2787 | 1200 | 900 | 180 | 200 | 220 | |
N 28 AH | 28 AH/S | 28 AH/ST | 1040 | 1080 | 770 | 810 | 2787 | 1200 | 900 | 203 | 218 | 220 | |
N 30 AH | 30 AH/S | 30 AH/ST | 1080 | 1140 | 810 | 860 | 2787 | 1200 | 900 | 220 | 250 | 220 | |
N 25 BH | 25 BH/S | 25 BH/ST | 950 | 1000 | 710 | 750 | 3000 | 1300 | 950 | 170 | 190 | 230 |
Sintered Neodymium Super Ring Magnet 0.75" OD 0.25" ID 0.25" thick
Delivery
All available shipping ways could be applied, by courier, by air or by sea.
Appointed shipping company or our own forwarders all could be used in shipment.
Full-way tracking the cargos for you before the goods arrive.
Buyer's Guide
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1.Product size,grade,coating,etc.
2.Order quantity;
3.Attached the drawings if customized
4.Any special packing or other requirements
Our advantage
1. Fast reply: all your enquiry will be replied within 24 hours;
2. Reasonable price: we are direct manufacturer and able to offer better price;
3. Good quality: we are experienced in quality control;
4. Fast delivery time:7-20 days