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Detailed Product Description
1. Material: Sintered Neodymium-Iron-Boron.
2.The strongest power magnets in all of the permanent magnets.
3. Grade: N35 to N52; N35M to N50M; N35H to N48H, N35SH to N45SH; N30UH to N40UH, N30EH to N38EH.
4. Excellent strength value: the highest (BH)max reaches up to 51MGOe.
5. Extremely Resistance to demagnetization with Hci,the intrinsic coercive force is over 30000Oe.
6. Moderate temperature stablity: under 80℃ for low Hci NdFeB magnet and above 200 ℃ for high Hci NdFeB magnet.
7. Coating: Effective Surface treatment to prevent corrosion, such as Nickel, Ni-Cu-Ni co, Zinc, gold, siliver, tin(Sn), epoxy, chemical, parylene, etc.
8.Shapes and sizes: various according to clients' request
9. Advanced techniques: new techniques and equipment such as strip casting, HDDR technology
10. Application: Sensors, Motors, Rotors, Wind turbines/wind generators, Loudspeakers, Magnetic hooks & holder, Filters, Automobiles, etc.
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Magnetic Characteristics And Physical Properties of Sintered NdFeB
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Properties
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Remanence
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Coercive Force
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Intrinsic Coercive Force
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Max Energy Product
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Max Working Temp
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Br
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Hcb
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Hcj
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(BH)max
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Tw
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Grade
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mT(KGs)
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KA/m (KGs)
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KA/m (KOe)
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KJ/m 3 ( MGOe )
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℃
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N-30
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1080-1130
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≥ 796
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≥ 955
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223-247
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≤ 80
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(10.8-11.3)
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( ≥ 10)
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( ≥ 12)
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(28-31)
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N-33
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1130-1180
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≥ 836
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≥ 955
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247-270
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≤ 80
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(11.3-11.8)
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( ≥ 10.5)
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( ≥ 12)
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(31-34)
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N-35
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1170-1220
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≥ 868
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≥ 955
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263-287
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≤ 80
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(11.7-12.2)
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( ≥ 10.9)
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( ≥ 12)
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(33-36)
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N-38
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1220-1250
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≥ 899
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≥ 955
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287-310
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≤ 80
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(12.2-12.5)
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( ≥ 11.3)
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( ≥ 12)
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(36-39)
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N-40
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1250-1280
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≥ 923
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≥ 955
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302-326
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≤ 80
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(12.5-12.8)
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( ≥ 11.6)
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( ≥ 12)
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(38-41)
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N-42
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1280-1320
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≥ 923
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≥ 955
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318-342
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≤ 80
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(12.8-13.2)
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( ≥ 11.6)
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( ≥ 12)
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(40-43)
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N-45
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1320-1380
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≥ 876
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≥ 955
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342-366
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≤ 80
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(13.2-13.8)
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( ≥ 11.0)
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( ≥ 12)
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(43-46)
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N-48
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1380-1420
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≥ 836
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≥ 876
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366-390
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≤ 80
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(13.8-14.2)
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( ≥ 10.5)
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( ≥ 11)
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(46-49)
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N-50
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1400-1450
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≥ 860
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≥ 876
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382-406
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≤ 80
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(14.0-14.5)
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( ≥ 10.8)
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( ≥ 11)
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(48-51)
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30M
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1080-1130
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≥ 796
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≥ 1114
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223-247
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≤ 100
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(10.8-11.3)
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( ≥ 10)
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( ≥ 14)
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(28-31)
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33M
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1130-1180
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≥ 836
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≥ 1114
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247-270
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≤ 100
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(11.3-11.8)
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( ≥ 10.5)
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( ≥ 14)
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(31-34)
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35M
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1170-1220
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≥ 868
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≥ 1114
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263-287
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≤ 100
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(11.7-12.2)
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( ≥ 10.9)
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( ≥ 14)
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(33-36)
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38M
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1220-1250
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≥ 899
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≥ 1114
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287-310
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≤ 100
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(12.2-12.5)
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( ≥ 11.3)
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( ≥ 14)
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(36-39)
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40M
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1250-1280
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≥ 923
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≥ 1114
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302-326
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≤ 100
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(12.5-12.8)
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( ≥ 11.6)
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( ≥ 14)
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(38-41)
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42M
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1280-1320
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≥ 955
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≥ 1114
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318-342
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≤ 100
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12.8-13.2
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( ≥ 12.0)
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( ≥ 14)
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(40-43)
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45M
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1320-1380
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≥ 995
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≥ 1114
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342-366
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≤ 100
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(13.2-13.8)
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( ≥ 12.5)
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( ≥ 14)
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(43-46)
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48M
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1360-1430
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≥ 1027
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≥ 1114
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366-390
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≤ 100
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(13.6-14.3)
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( ≥ 12.9)
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( ≥ 14)
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(46-49)
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50M
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1400-1450
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≥ 1033
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≥ 1114
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382-406
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≤ 100
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(14.0-14.5)
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( ≥ 13.0)
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( ≥ 14)
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(48-51)
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30H
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1080-1130
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≥ 796
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≥ 1353
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223-247
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≤ 120
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(10.8-11.3)
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( ≥ 10)
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( ≥ 17)
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(28-31)
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33H
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1130-1180
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≥ 836
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≥ 1353
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247-271
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≤ 120
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(11.3-11.8)
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( ≥ 10.5)
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( ≥ 17)
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(31-34)
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35H
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1170-1220
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≥ 868
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≥ 1353
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263-287
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≤ 120
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(11.7-12.2)
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( ≥ 10.9)
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( ≥ 17)
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(33-36)
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38H
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1220-1250
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≥ 899
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≥ 1353
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287-310
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≤ 120
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(12.2-12.5)
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( ≥ 11.3)
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( ≥ 17)
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(36-39)
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40H
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1250-1280
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≥ 923
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≥ 1353
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302-326
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≤ 120
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(12.5-12.8)
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( ≥ 11.6)
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( ≥ 17)
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(38-41)
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42H
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1280-1320
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≥ 955
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≥ 1353
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318-342
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≤ 120
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(12.8-13.2)
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( ≥ 12.0)
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( ≥ 17)
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(40-43)
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45H
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1320-1380
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≥ 963
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≥ 1353
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342-366
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≤ 120
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(13.2-13.8)
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( ≥ 12.1)
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( ≥ 17)
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(43-46)
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48H
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1370-1430
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≥ 995
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≥ 1274
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366-390
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≤ 120
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(13.7-14.3)
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( ≥ 12.5)
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( ≥ 16)
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(46-49)
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30SH
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1080-1130
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≥ 804
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≥ 1592
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223-247
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≤ 150
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(10.8-11.3)
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( ≥ 10.1)
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( ≥ 20)
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(28-31)
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33SH
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1130-1170
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≥ 844
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≥ 1592
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247-271
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≤ 150
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(11.3-11.7)
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≥ 10.6
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( ≥ 20)
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(31-34)
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35SH
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1170-1220
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≥ 876
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≥ 1592
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263-287
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≤ 150
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(11.7-12.2)
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( ≥ 11.0)
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( ≥ 20)
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(33-36)
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38SH
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1220-1250
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≥ 907
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≥ 1592
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287-310
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≤ 150
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(12.2-12.5)
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( ≥ 11.4)
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( ≥ 20)
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(36-39)
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40SH
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1250-1280
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≥ 939
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≥ 1592
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302-326
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≤ 150
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(12.5-12.8)
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( ≥ 11.8)
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( ≥ 20)
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(38-41)
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42SH
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1280-1320
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≥ 995
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≥ 1592
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318-342
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≤ 150
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(12.8-13.2)
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( ≥ 12.5)
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( ≥ 20)
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(40-43)
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45SH
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1320-1380
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≥ 1003
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≥ 1592
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342-366
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≤ 150
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(13.2-13.8)
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( ≥ 12.6)
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( ≥ 20)
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(43-46)
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28UH
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1020-1080
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≥ 764
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≥ 1990
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207-231
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≤ 180
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(10.2-10.8)
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( ≥ 9.6)
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( ≥ 25)
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(26-29)
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30UH
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1080-1130
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≥ 812
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≥ 1990
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223-247
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≤ 180
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(10.8-11.3)
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( ≥ 10.2)
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( ≥ 25)
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(28-31)
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33UH
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1130-1170
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≥ 852
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≥ 1990
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247-271
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≤ 180
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(11.3-11.7)
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( ≥ 10.7)
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( ≥ 25)
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(31-34)
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35UH
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1180-1220
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≥ 860
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≥ 1990
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263-287
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≤ 180
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(11.8-12.2)
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( ≥ 10.8)
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( ≥ 25)
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(33-36)
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38UH
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1220-1250
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≥ 907
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≥ 1990
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287-310
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≤ 180
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(12.2-12.5)
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( ≥ 11.4)
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( ≥ 25)
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(36-39)
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30EH
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1080-1130
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≥ 812
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≥ 2388
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223-247
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≤ 200
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(10.8-11.3)
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( ≥ 10.2)
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( ≥ 30)
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(28-31)
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33EH
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1130-1170
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≥ 812
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≥ 2388
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247-271
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≤ 200
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(11.3-11.7)
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( ≥ 10.2)
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( ≥ 30)
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(31-34)
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35EH
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1170-1220
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≥ 876
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≥ 2388
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263-287
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≤ 200
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(11.7-12.2)
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( ≥ 11.0)
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( ≥ 30)
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(33-36)
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30AH
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1080-1130
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≥ 812
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≥ 2785
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223-247
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≤ 240
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(10.8-11.3)
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( ≥ 10.2)
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( ≥ 35)
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(28-31)
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33AH
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1130-1170
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≥ 812
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≥ 2785
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247-271
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≤ 240
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(11.3-11.7)
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( ≥ 10.2)
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( ≥ 35)
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31-34
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NOTES:
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The above-mentioned data of magnetic parameters and physical properties ars given at room temperature.
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The maximum service temperature of magnet is changeable due to the ratio length and diameter and
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Environmental factors.
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Density: 7.4~7.6g/cm 3 ; α Br:-0.09~0.13%/ ℃, β Hcj: -0.50~0.80%/ ℃; Hv:600.
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