China-NdFeB-Irregular-Magnets-NIM-001-

Neodymium(NdFeB) magnetsare made from Neodymium, iron, boron(ND2Fe14B) and few other rare earth elements .With four main production processes including raw material melting,powder making,mould pressing and sintering , they become the semi-finished products and finally they will be machined and coated to be the finished parts.

The main characteristics:
1)higher remanence(Br);
2)higher Coercivity(Hci) and energy product(BH);
3)lower Curie temperature(Tc). The main Applications: Wind generators, DC motors, servo motors, air conditioners, medical equipment, VCM, mobile phones, speakers and magnetic holding and seperation systems etc.

Production Facilities
Melting Furnaces-25Kgs Capacity(9)/100Kgs Capacity(1)
Melt Spun Furnace(1)- 600Kgs Capacity
Airflow Milling Machines(3)
Moulding Machines- 30Tons(6)/60Tons(6)
Isostatic Press Machines(2)
Sintering Furnaces(10)- 300Kgs Capacity
Crushing Machines(2)
Cutting Machines(50)
Drilling Machines(15)
Grinder Machines- External Grinder(4)/Internal Grinder(3)/Ground Grinder(3)
Wire Cutting Machines(30)
Lathe Machines(10)
Break Corner Machines(8)
Plating/Coating Production Lines- NiCuNi Coating Line(1)/Zn9Trivalent) Coating Line(1)/Epoxy Coating Line(1)

Inspections Before Shipment
Criteria: GB/T2828, AOL Sampling Program
Quality Management: Referring to ISO 9001: 2008
Magnetic Property(Demagnetization Curve) Test
Sizes and Tolerances Inspection
Magnetic Flux Test
Surface Gauss Test
Plating/Coating thickness Test
Salt Spray Test
Others

Packaging & Delivery
Magnets that only passed inspections will be packed and shipped to our customer.
Production will usually take 15-30 days for an order. Delivery will take another 15-30 days by sea shipment to America and Europe customers.

Magnetic Property for sintered NdFeB magnets
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 °C
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 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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