D20*5 D45*15, D45*20, D45*25 Disc Permanent Neodymium Magnets with RoHS Certification
China D20*5 D45*15, D45*20, D45*25 Disc Permanent Neodymium Magnets with RoHS Certification, Find details about China Magnet, NdFeB Magnet from D20*5 D45*15, D45*20, D45*25 Disc Permanent Neodymium Magnets with RoHS Certification
Basic Info.
Model NO.
N35-N38AH
Tolerance
+/-0.1mm or According to Customer′s Request
Original
Ningbo/Shanghai
Shipping Method
Air/Ocean According to Customers′ Request
Certification
RoHS/Reach, etc
Trademark
SS Magnet
Transport Package
Standard Air or Ocean Packages with Cartons/Pallet
Specification
According to customer′s request
Origin
Ningbo
HS Code
8505111000
Model NO.
N35-N38AH
Tolerance
+/-0.1mm or According to Customer′s Request
Original
Ningbo/Shanghai
Shipping Method
Air/Ocean According to Customers′ Request
Certification
RoHS/Reach, etc
Trademark
SS Magnet
Transport Package
Standard Air or Ocean Packages with Cartons/Pallet
Specification
According to customer′s request
Origin
Ningbo
HS Code
8505111000
Product Desciption
| 1. Permanent Neodymium Magnets | |||||||||||
| Introduction | |||||||||||
Neodymium-Iron-Boron(NdFeB) magnets are the most powerful and advanced commercialized permanent magnets. NdFeB magnets offers the highest Energy Product (BH)max commercially available. Their typical applications include high performance sensors, various DC motors, linear actuators, MRI, wind energy turbines, acoustic transducers, motors and generators, magneto mechanical devices, and magnetic field and imaging systems,etc. Also, magnets are protected with effective surface treatment to prevent corrosion. | |||||||||||
| 2. How to Choose Permanent Magnet Materials | |||||||||||
| It depend on magnetic force,maximim working temperature,coatings,cost,etc. The bellow list help you select a right permanent magnet material for your applications. | |||||||||||
| 3.Product Description | |||||||||||
| 1. Materials: Ne-Fe-B(Neodymium Magnet) | |||||||||||
| 2. Specifications and Shapes: Various Speciciations and Shapes,which depend on your request. | |||||||||||
| 3. Certificate: ROHS,Reach,etc. | |||||||||||
| 4.Specifications | |||||||||||
| a.Materials: Neodymium-Ferrum-Boron; | |||||||||||
| b.Grade: N35-N54, 35M-52M, 33H-50H, 33SH-45SH, 30UH-42UH, 30EH-38EH,see bellow Chart | |||||||||||
| c. Coating: Nckel, Chemical Ni,Zn, epoxy(Black color or Grey Color) gold,Silver, Ni-Cu+Black epoxy,Ni+Sn,parylene,etc; | |||||||||||
| d. Shape: Block, Disc,Cylinder Ring, Disc, Cylinder, Arc(Segment), Half Ring, and Customized Design; | |||||||||||
| e. Sizes: customized size according to customers' request |
| TYPICAL PROPERTY | |||||
| MAGNETIC CHARACTERISTICS | |||||
| PROPERTIES | BrmT (KGs) | Hcb KA/m (Koe) | Hcj KA/m (KOe) | (BH)max KJ/m³ (MGOe) | Max.TW ºC |
| GRADE | |||||
| N33 | 1130-1170 (11.3-11.7) | ≥836 (≥10.5) | ≥955 (≥12) | 247-263 (31-33) | 80 |
| N35 | 1170-1210 (11.7-12.1) | ≥868 (≥10.9) | ≥955 (≥12) | 263-287 (33-36) | 80 |
| N38 | 1210-1250 (12.1-12.5) | ≥899 (≥11.3) | ≥955 (≥12) | 287-310 (36-39) | 80 |
| N40 | 1250-1280 (12.5-12.8) | ≥923 (≥11.6) | ≥955 (≥12) | 302-326 (38-41) | 80 |
| N42 | 1280-1320 (12.8-13.2) | ≥923 (≥11.6) | ≥955 (≥12) | 318-342 (40-43) | 80 |
| N45 | 1320-1380 (13.2-13.8) | ≥876 (≥11.0) | ≥955 (≥12) | 342-366 (43-46) | 80 |
| N48 | 1380-1420 (13.8-14.2) | ≥835 (≥10.5) | ≥876 (≥11) | 366-390 (46-49) | 80 |
| N50 | 1400-1450 (14.0-14.5) | ≥796 (≥10.0) | ≥876 (≥11) | 382-406 (48-51) | 60 |
| N52 | 1430-1480 (14.3-14.8) | ≥796 (≥10.0) | ≥876 (≥11) | 398-422 (50-53) | 60 |
| N35M | 1170-1220 (11.7-12.2) | ≥868 (≥10.9) | ≥1114 (≥14) | 263-287 (33-36) | 100 |
| N38M | 1220-1250 (12.2-12.5) | ≥899 (≥11.3) | ≥1114 (≥14) | 287-310 (36-39) | 100 |
| N40M | 1250-1280 (12.5-12.8) | ≥923 (≥11.6) | ≥1114 (≥14) | 302-326 (38-41) | 100 |
| N42M | 1280-1320 (12.8-13.2) | ≥955 (≥12.0) | ≥1114 (≥14) | 318-342 (40-43) | 100 |
| N45M | 1320-1380 (13.2-13.8) | ≥995 (≥12.5) | ≥1114 (≥14) | 342-366 (43-46) | 100 |
| N48M | 1360-1430 (13.6-14.3) | ≥1027 (≥12.9) | ≥1114 (≥14) | 366-390 (46-49) | 100 |
| N50M | 1400-1450 (14.0-14.5) | ≥1033 (≥13.0) | ≥1114 (≥14) | 382-406 (48-51) | 100 |
| 33H | 1130-1170 (11.3-11.7) | ≥836 (≥10.5) | ≥1353 (≥17) | 247-271 (31-34) | 120 |
| 35H | 1170-1210 (11.7-12.1) | ≥868 (≥10.9) | ≥1353 (≥17) | 263-287 (33-36) | 120 |
| 38H | 1210-1250 (12.1-12.5) | ≥899 (≥11.3) | ≥1353 (≥17) | 287-310 (36-39) | 120 |
| 40H | 1240-1280 (12.4-12.8) | ≥923 (≥11.6) | ≥1353 (≥17) | 302-326 (38-41) | 120 |
| 42H | 1280-1320 (12.8-13.2) | ≥955 (≥12.0) | ≥1353 (≥17) | 318-342 (40-43) | 120 |
| 45H | 1300-1360 (13.0-13.6) | ≥963 (≥12.1) | ≥1353 (≥17) | 342-358 (43-46) | 120 |
| 48H | 1370-1430 (13.7-14.3) | ≥995 (≥12.5) | ≥1353 (≥17) | 358-390 (46-49) | 120 |
| 33SH | 1130-1170 (11.3-11.7) | ≥844 (≥10.6) | ≥1592 (≥20) | 247-272 (31-34) | 150 |
| 35SH | 1170-1210 (11.7-12.1) | ≥876 (≥11.0) | ≥1592 (≥20) | 263-287 (33-36) | 150 |
| 38SH | 1210-1250 (12.1-12.5) | ≥907 (≥11.4) | ≥1592 (≥20) | 287-310 (36-39) | 150 |
| 40SH | 1240-1280 (12.4-12.8) | ≥939 (≥11.8) | ≥1592 (≥20) | 302-326 (38-41) | 150 |
| 42SH | 1280-1320 (12.8-13.2) | ≥987 (≥12.4) | ≥1592 (≥20) | 318-342 (40-43) | 150 |
| 45SH | 1320-1380 (13.2-13.8) | ≥1003 (≥12.6) | ≥1592 (≥20) | 342-366 (43-46) | 150 |
| 28UH | 1020-1080 (10.2-10.8) | ≥764 (≥9.6) | ≥1990 (≥25) | 207-231 (26-29) | 180 |
| 30UH | 1080-1130 (10.8-11.3) | ≥812 (≥10.2) | ≥1990 (≥25) | 223-247 (28-31) | 180 |
| 33UH | 1130-1170 (11.3-11.7) | ≥852 (≥10.7) | ≥1990 (≥25) | 247-271 (31-34) | 180 |
| 35UH | 1180-1220 (11.8-12.2) | ≥860 (≥10.8) | ≥1990 (≥25) | 263-287 (33-36) | 180 |
| 38UH | 1220-1250 (12.2-12.5) | ≥876 (≥11.0) | ≥1990 (≥25) | 287-310 (36-39) | 180 |
| 40UH | 1240-1280 (12.4-12.8) | ≥899 (≥11.3) | ≥1990 (≥25) | 302-326 (38-41) | 180 |
| 28EH | 1040-1090 (10.4-10.9) | ≥780 (≥9.8) | ≥2388 (≥30) | 207-231 (26-29) | 200 |
| 30EH | 1080-1130 (10.8-11.3) | ≥812 (≥10.2) | ≥2388 (≥30) | 223-247 (28-31) | 200 |
| 33EH | 1130-1170 (11.3-11.7) | ≥836 (≥10.5) | ≥2388 (≥30) | 247-271 (31-34) | 200 |
| 35EH | 1170-1220 (11.7-12.2) | ≥876 (≥11.0) | ≥2388 (≥30) | 263-287 (33-36) | 200 |
| 38EH | 1220-1250 (12.2-12.5) | ≥899 (≥11.3) | ≥2388 (≥30) | 287-310 (36-39) | <=200 |
| Characteristic Comparisons | |||||||
| Grade | N | M | H | SH | UH | EH | AH |
| Max.TW | 80ºC | 100ºC | 120ºC | 150ºC | 180ºC | 200ºC | 250ºC |
| Property | Low | High | Higher | Supperior high | Extremely high | Highest | |
| Hcj Value | >=11KOe | >=14KOe | >=17KOe | >=20KOe | >=25KOe | 30>=11KOe | >=35KOe |
| Surface | Coating | Colour | Thickness(μm) | Standard Resistance | Corrosive Resistance | |||||||
| PCT Test | Salt Spray Test | |||||||||||
| Nickel | Nickel | Silver | 10-20 | 48hr or 72hr | 72hr | EXCELLENT | ||||||
| Ni+Cu+Ni | ||||||||||||
| Zinc | Blue Zinc | Bright Blue | 8-20 | 24hr | 24hr | GOOD | ||||||
| Colour Zinc | Shinny Colour | |||||||||||
| Epoxy | Epoxy | Black / Grey | 15-25 | 48hr | 96hr | EXCELLENT | ||||||
| Ni+Cu+Epoxy | ||||||||||||
| Tin | Ni+Cu+Sn | Silver | 15-20 | 72hr | 72hr | SUPERIOR | ||||||
| Parylene | Parylene | Grey | 15-25 | 96hr | 200hr | SUPERIOR | ||||||
| Teflon | Teflon | Grey | 10-20 | 12hr | 24hr | SUPERIOR | ||||||
| Phosphorization | / | Grey | 1-2 | - | - | TEMPORARY PROETCTION | ||||||
| Passivation | / | Grey | 1-2 | - | - | TEMPORARY PROETCTION | ||||||
| * PCT test(120ºC,100%RH,2.0atm);Salt Spray Test(5%NaCl,35ºC continue spray). | ||||||||||||
| Item | Parameters | Reference Value | ||||||||||
| Additional | Temp.Coeff.of Br (α(Br))/(%/K) | -0.08 ~ -0.12 | ||||||||||
| Temp.Coeff.of Hcj (β(Hcj))/(%/K) | -0.42 ~ -0.70 | |||||||||||
| Curie Temperature (Tc)/K | 310 ~ 380 | |||||||||||
| Recoil Permeability (μrec)[-] | 1.05 | |||||||||||
| Mechanical | Density (g/cm³) | 7.6 | ||||||||||
| Vickers Hardness (Hv) | 650 | |||||||||||
| Electrical Resistivity (μΩom) | 1.4 | |||||||||||
| Compressive Strength (Mpa) | 1050 | |||||||||||
| Tensile Strength (Mpa) | 80 | |||||||||||
| Bending Strength (Mpa) | 290 | |||||||||||
| Thermal Conductivity (W/(moK)) | 6 ~ 8 | |||||||||||
| Young's Modulus (Gpa) | 160 | |||||||||||
| Coefficient of Thermal Expansive (C⊥) (10-6/K) | -1.5 | |||||||||||
| Coefficient of Thermal Expansive (C‖) (10-6/K) | 6.5 | |||||||||||
| * Technical specifications and parameters are subjected to change without notice. | ||||||||||||
7.Directions of Magnetization:
a. Thickness Magnetized,Width Magnetized,Length Magnetized
b. Axially Magnetized
c. Diametrally Magnetized
d. Multi-poles magnetized
e. Radially Magnetized,etc
8. Production Flow:b. Axially Magnetized
c. Diametrally Magnetized
d. Multi-poles magnetized
e. Radially Magnetized,etc
9.Quality Control
10.Packages
Air Packing with iron sheet to sheild magnetic for each carton before air shipment; Ocean packing with Pallet.
11.Inquiry
Please provide the following details when you enquiry:
1.Which Grade you need? Or tell us what's the maximum working temperature you need? We can suggest you grade after we learn more about your project.
2.What's the shape and sizes you need?Or we can suggest you after after we learn more about your project.
3.What's the magnetized orientation you need? Or we can design it for you after after we learn more about your project.
4.Which coating you need? Or we can suggest you after we learn more about your project.
5.How many quantity you need.
Anyway,we can suggest you and design it for you too after we learn more about your project.
Transportation: By air or ocean shipment from Ningbo or Shanghai to all around the world
We can provide you all customized magnetd, magnetic applications and design them for you too!
Solutions for cost saving for you to choose the most suitable magnetic products.
Welcome to your enquiry anytime and we will reply you within 24hours in time.
Contact Person:Mr Cary Li
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