Customized N33 N35 N38 Neodymium Iron Boron Magnets Acid Corrosion Resistance

Grades

N33, N35, N38, N40, N42, N45, N48, N50, N52, (M, H, SH, EH, UH )

Coatings

Nickel, Ni-Cu-Ni, Zinc, white-blue Zn, Black epoxy resin, Gold

Sizes

customized

Shapes

Disc, cylinder, sphere, block, ring, tile, arc, and other irregular shapes

Tolerance

+/-0.05mm unless specified.

Magnetized direction

Through thickness, diameter, axial, etc

Maximum working temperature

80 to 120 degrees C

Delivery time

Within 7-30 days when order confirmed

Package Condition

Standard air/sea protective package, unless specified.

Standard

Properties

   of

Sintered

NdFeB

Magnet

Grade

Br mT (kGs)

Hcb kA/m (kOe)

Hcj  kA/m  (kOe)

(BH)max kJ/m 3

Max Work 

Temp.

(MGOe)

(Tw)

N35

1170-1220(11.7-12.2)

≥ 868( ≥ 10.9)

≥ 955( ≥ 12)

263-287(33-36)

80 ºC

N38

1220-1250(12.2-12.5)

≥ 899( ≥ 11.3)

≥ 955( ≥ 12)

287-310(36-39)

N40

1250-1280(12.5-12.8)

≥ 907( ≥ 11.4)

≥ 955 ( ≥ 12)

302-326(38-41)

N42

1280-1320(12.8-13.2)

≥ 915( ≥ 11.5)

≥ 955( ≥ 12)

318-342(40-43)

N45

1320-1380(13.2-13.8)

≥ 923( ≥ 11.6)

≥ 955 ( ≥ 12)

342-366(43-46)

N48

1380-1420(13.8-14.2)

≥ 923( ≥ 11.6)

≥ 876( ≥ 12)

366-390(46-49)

N50

1400-1450(14.0-14.5)

≥ 796( ≥ 10.0)

≥ 876( ≥ 11)

382-406(48-51)

N52

1430-1480(14.3-14.8)

≥ 796( ≥ 10.0)

≥ 876( ≥ 11)

398-422(50-53)

35M

1170-1220(11.7-12.2)

≥ 868( ≥ 10.9)

≥ 1114( ≥ 14)

263-287(33-36)

100 ºC

38M

1220-1250(12.2-12.5)

≥ 899( ≥ 11.3)

≥ 1114( ≥ 14)

287-310(36-39)

40M

1250-1280(12.5-12.8)

≥ 923( ≥ 11.6)

≥ 1114( ≥ 14)

302-326(38-41)

42M

1280-1320(12.8-13.2)

≥ 955( ≥ 12.0)

≥ 1114( ≥ 14)

318-342(40-43)

45M

1320-1380(13.2-13.8)