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View more specifications Neodymium block magnets for you
| Model No: |
N001 |
| Place of Origin: |
Zhejiang |
| Application: |
Wind generators, Linear motors, MRI |
| Be made of: |
Sintered Noedymium magnets, Zn coated |
| Type of product: |
Sintered NdFeB magnets |
| Certificate: |
ISO9001:2000, RoHS |
| Export Area: |
Germany, Italy, England, France, Turkey, Japan, America, India etc |
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 Add to Basket
 Description
| Payment & Shipping Terms |
| Unit Price: |
US$0.1~10.0 |
|
| Payment Term: |
T/T, L/C |
|
| MOQ: |
1 Piece/Pieces |
|
| Means of Transport: |
By sea, By air |
|
| Supply Capacity |
| Production Capacity: |
800 tons of sintered NdFeB magnets |
| Packing: |
Cartons |
| Delivery Date: |
7 to 12 days |
Sintered Neodymium Iron Boron(NdFeB) magnets are made from different kinds of rare earth materials, such as ND, Dy, Fe, Al, Nb, Ga, Mo, Co and few other metals and they are the third generation rare earth permanent magnets that is the strongest magnets in the world and they feature high remanence, high corrective force and high energy products and they are more than 10 times stronger than ferrite(ceramic) magnets. They are very brittle so it is hard to machine them and the higher grades of NdFeB magnets are always more brittle than lower grades when they are machined in the cutting, drilling, milling and even coating process.
They are very easy to rust because they are the combination of many kinds of rare earth materials so we usually need do coating/plating on the surface,such as Nickel(Ni-Cu-Ni), Black nickel, Zinc(Trivalent), Epoxy, Tin, Gold, Silver & Parylene etc. The ordinary grades of NdFeB magnets have N35, N38 to N52, N35M, N28M to N48M, N33H to N46H, N33SH to N44SH, N30UH to N35UH and N30EH to N35EH and their BHmax is 52MGOe that is the highest grade We can make now. Their highest working temperature is 200 ° C. They almost can be any size and shape, such as block, disc, ring, segment, cylinder and any special shapes. They have wide applications such as wind generators, DC motors, air conditioners, servo motors, PM motors, linear motors, VCM, medical apparatus, electronic components, toys, hand crafts and other magnetic holding and seperating products.
Magnetic Property for NdFeB magnets (sintered)
No. | Grade |
Br
|
Hcb
|
Hcj
|
(BH)max
| TW*
L/D=0.7 | T
KGs | KA/m
KOe | KA/m
KOe | KJ/m3
MGOe | Nom | Nim | Nom | Nim | Nom | Nim | ºC | 1 | N35 | 1.22
12.2 | 1.18
11.8 | 907
11.4 | 860
10.8 | ≥955
≥12 | 287
36 | 263
33 | ≤80 | 2 | N38 | 1.26
12.6 | 1.22
12.2 | 907
11.4 | 860
10.8 | ≥955
≥12 | 303
38 | 287
36 | ≤80 | 3 | N40 | 1.29
12.9 | 1.26
12.6 | 907
11.4 | 860
10.8 | ≥955
≥12 | 318
40 | 303
38 | ≤80 | 4 | N42 | 1.33
13.3 | 1.29
12.9 | 907
11.4 | 860
10.8 | ≥955
≥12 | 342
43 | 318
40 | ≤80 | 5 | N45 | 1.37
13.7 | 1.33
13.3 | 907
11.4 | 863
10.5 | ≥955
≥12 | 366
46 | 342
43 | ≤80 | 6 | N48 | 1.41
14.1 | 1.37
13.7 | 836
10.5 | 716
9.0 | ≥836
≥10.5 | 390
49 | 366
46 | ≤80 | 7 | N50 | 1.45
14.5 | 1.41
14.1 | 907
10.5 | 860
10.8 | ≥836
≥10.5 | 406
51 | 390
49 | ≤80 | 8 | N52 | 1.48
14.8 | 1.44
14.8 | 907
10.5 | 828
10.5 | ≥876
≥11.0 | 414
52 | 394
49.5 | ≤70 | 8 | N35M | 1.22
12.2 | 1.18
11.8 | 907
11.4 | 860
10.8 | ≥1114
≥14 | 287
36 | 263
33 | ≤100 | 9 | N38M | 1.26
12.6 | 1.22
12.2 | 907
11.4 | 860
10.8 | ≥1114
≥14 | 303
38 | 287
36 | ≤100 | 10 | N40M | 1.29
12.9 | 1.26
12.6 | 907
11.4 | 860
10.8 | ≥1114
≥14 | 318
40 | 303
38 | ≤100 | 11 | N42M | 1.33
13.3 | 1.29
12.9 | 907
11.4 | 860
10.8 | ≥1114
≥14 | 342
43 | 318
40 | ≤100 | 12 | N45M | 1.37
13.7 | 1.33
13.3 | 907
11.4 | 860
10.8 | ≥1114
≥14 | 366
46 | 342
43 | ≤100 | 13 | N48M | 1.41
14.1 | 1.37
13.7 | 907
11.4 | 860
10.8 | ≥1114
≥14 | 390
49 | 366
46 | ≤100 | 14 | N33H | 1.18
11.8 | 1.14
11.4 | 876
11.0 | 820
10.3 | ≥1353
≥17 | 263
33 | 247
31 | ≤120 | 15 | N35H | 1.22
12.2 | 1.18
11.8 | 907
11.4 | 876
11.0 | ≥1353
≥17 | 287
36 | 263
33 | ≤120 | 16 | N38H | 1.26
12.6 | 1.22
12.2 | 940
11.8 | 890
11.2 | ≥1353
≥17 | 303
38 | 287
36 | ≤120 | 17 | N40H | 1.29
12.9 | 1.26
12.6 | 995
12.5 | 916
11.5 | ≥1353
≥17 | 318
40 | 303
38 | ≤120 | 18 | N42H | 1.33
13.3 | 1.29
12.9 | 995
12.5 | 939
11.8 | ≥1353
≥17 | 342
43 | 318
40 | ≤120 | 19 | N44H | 1.35
13.5 | 1.33
13.3 | 1035
13.0 | 956
12.0 | ≥1353
≥17 | 358
45 | 342
43 | ≤120 | 20 | N46H | 1.38
13.8 | 1.35
13.5 | 1035
13.0 | 956
12.0 | ≥1353
≥17 | 374
47 | 358
45 | ≤120 | 21 | N33SH | 1.18
11.8 | 1.14
11.4 | 876
11.0 | 820
10.3 | ≥1592
≥20 | 263
33 | 247
31 | ≤150 | 22 | N35SH | 1.22
12.2 | 1.18
11.8 | 907
11.4 | 860
10.8 | ≥1592
≥20 | 287
36 | 263
33 | ≤150 | 23 | N38SH | 1.26
12.6 | 1.22
12.2 | 907
11.4 | 860
10.8 | ≥1592
≥20 | 303
38 | 287
36 | ≤150 | 24 | N40SH | 1.29
12.9 | 1.26
12.6 | 907
11.4 | 860
10.8 | ≥1592
≥20 | 318
40 | 303
38 | ≤150 | 25 | N42SH | 1.33
13.3 | 1.29
12.9 | 907
11.4 | 860
10.8 | ≥1592
≥20 | 342
43 | 318
40 | ≤150 | 26 | N44SH | 1.35
13.5 | 1.33
13.3 | 907
11.4 | 860
10.8 | ≥1592
≥20 | 358
45 | 342
43 | ≤150 | 27 | N30UH | 1.14
11.4 | 1.08
10.8 | 844
10.6 | 804
10.1 | ≥1989
≥25 | 247
31 | 223
28 | ≤180 | 37 | N33UH | 1.18
11.8 | 1.14
11.4 | 876
11.0 | 820
10.3 | ≥1989
≥25 | 263
33 | 247
30 | ≤180 | 38 | N35UH | 1.22
12.2 | 1.18
11.8 | 907
11.4 | 860
10.8 | ≥1989
≥25 | 287
36 | 263
33 | ≤180 | 39 | N38UH | 1.26
12.6 | 1.22
12.2 | 907
11.4 | 860
10.8 | ≥1989
≥25 | 303
38 | 287
36 | ≤180 | 40 | N30EH | 1.14
11.4 | 1.08
10.8 | 844
10.6 | 804
10.1 | ≥2387
≥30 | 247
31 | 223
28 | ≤200 | 41 | N33EH | 1.18
11.8 | 1.14
11.4 | 876
11.0 | 820
10.3 | ≥2388
≥30 | 263
33 | 247
31 | ≤200 | 42 | N35EH | 1.22
12.2 | 1.18
11.8 | 907
11.4 | 836
10.5 | ≥2388
≥30 | 287
36 | 263
33 | ≤200 |
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