Products

Density	7.4-7.5 g/cm3
Compression Strength	950 MPa (137,800 psi)
Tensile Strength	80 MPa (11,600 psi)
Vickers Hardness (Hv)	560-600
Young's Modulus	160 GPa (23,200 ksi)
Recoil Permeability	1.05 μrec
Electrical Resistance (R)	160 μ-ohm-cm
Heat Capacity	350-500 J/(kg.°C)
Thermal Expansion Coefficient (0 to 100°C) parallel to magnetization direction	5.2 x 10-6 /°C
Thermal Expansion Coefficient (0 to 100°C) perpendicular to magnetization direction	-0.8 x 10-6 /°C

Magnetic Characteristics

Material Type	Residual Flux Density (Br)	Coercive Force (Hc)	Intrinsic Coercive Force (Hci)	Max.Energy Product (BH)max
N35	11.7-12.1 KGs	>11.0 KOe	>12 KOe	33-35 MGOe
N38	12.2-12.6 KGs	>11.0 KOe	>12 KOe	36-38 MGOe
N40	12.6-12.9 KGs	>11.0 KOe	>12 KOe	38-40 MGOe
N42	13.0-13.2 KGs	>11.0 KOe	>12 KOe	40-42 MGOe
N45	13.3-13.7 KGs	>11.0 KOe	>12 KOe	43-45 MGOe
N48	13.8-14.2 KGs	>11.0 KOe	>12 KOe	45-48 MGOe
N50	14.1-14.5 KGs	>11.0 KOe	>11 KOe	48-50 MGOe
N52	14.5-14.8 KGs	>11.2 KOe	>11 KOe	49.5-52 MGOe
N35M	11.7-12.1 KGs	>11.4 KOe	>14 KOe	33-35 MGOe
N38M	12.2-12.6 KGs	>11.4 KOe	>14 KOe	36-38 MGOe
N40M	12.6-12.9 KGs	>11.4 KOe	>14 KOe	38-40 MGOe
N42M	13.0-13.3 KGs	>11.4 KOe	>14 KOe	40-42 MGOe
N45M	13.3-13.7 KGs	>11.4 KOe	>14 KOe	42-45 MGOe
N48M	13.6-14.2 KGs	>11.4 KOe	>14 KOe	45-48 MGOe
N50M	14.1-14.5 KGs	>11.4 KOe	>14 KOe	48-50 MGOe
N33H	11.4-11.7 KGs	>10.3 KOe	>17 KOe	31-33 MGOe
N35H	11.7-12.1 KGs	>10.8 KOe	>17 KOe	33-35 MGOe
N38H	12.2-12.6 KGs	>11.4 KOe	>17 KOe	36-38 MGOe
N40H	12.6-12.9 KGs	>11.4 KOe	>17 KOe	38-40 MGOe
N42H	13.0-13.3 KGs	>11.4 KOe	>17 KOe	40-42 MGOe
N45H	13.3-13.7 KGs	>11.4 KOe	>17 KOe	42-45 MGOe
N48H	13.6-14.2 KGs	>11.4 KOe	>16 KOe	45-48 MGOe
N35SH	11.7-12.1 KGs	>10.8 KOe	>20 KOe	33-35 MGOe
N38SH	12.2-12.6 KGs	>11.4 KOe	>20 KOe	36-38 MGOe
N40SH	12.6-12.9 KGs	>11.4 KOe	>20 KOe	38-40 MGOe
N42SH	13.0-13.3 KGs	>11.4 KOe	>20 KOe	40-42 MGOe
N45SH	13.3-13.7 KGs	>11.4 KOe	>19 KOe	43-45 MGOe
N30UH	10.8-11.2 KGs	>10.1 KOe	>25 KOe	28-30 MGOe
N33UH	11.4-11.7 KGs	>10.3 KOe	>25 KOe	31-33 MGOe
N35UH	11.7-12.1 KGs	>10.8 KOe	>25 KOe	33-35 MGOe
N38UH	12.2-12.6 KGs	>11.4 KOe	>25 KOe	36-38 MGOe
N40UH	12.6-12.9 KGs	>11.4 KOe	>25 KOe	38-40 MGOe
N30EH	10.8-11.2 KGs	>10.1 KOe	>30 KOe	28-30 MGOe
N33EH	11.4-11.7 KGs	>10.3 KOe	>30 KOe	31-33 MGOe
N35EH	11.7-12.1 KGs	>10.8 KOe	>30 KOe	33-35 MGOe
N38EH	12.2-12.6 KGs	>10.8 KOe	>30 KOe	36-38 MGOe
N30AH	10.8-11.2 KGs	>10.1 KOe	>34 KOe	28-30 MGOe
N33AH	11.4-11.7 KGs	>10.2 KOe	>34 KOe	31-33 MGOe
N35AH	11.7-12.1 KGs	>11.0 KOe	>34 KOe	33-35 MGOe

Thermal Characteristics

Neodymium Material Type	Maximum Operating Temp	Curie Temp
N	176°F (80°C)	590°F (310°C)
NM	212°F (100°C)	644°F (340°C)
NH	248°F (120°C)	644°F (340°C)
NSH	302°F (150°C)	644°F (340°C)
NUH	356°F (180°C)	662°F (350°C)
NEH	392°F (200°C)	662°F (350°C)
NAH	428°F (220°C)	662°F (350°C)

Plating Characteristics

Plating Type	Overall Thickness
NiCuNi (Nickel Copper Nickel)	15-21 μm
NiCu + Black Nickel	15-21 μm
NiCuNi + Epoxy	20-28 μm
NiCuNi + Gold	16-23 μm
NiCuNi + Silver	16-23 μm
Zinc	7-15 μm

Pull force and surface field of Neodymium magnets

Please refer to: Magnets Table

Measurement Systems

Unit	cgs System	SI System	English System
Length (L)	centimeter (cm)	meter (m)	inch (in)
Flux (ø)	Maxwell	Weber (Wb)	Maxwell
Flux Density (B)	Gauss (G)	Tesla (T)	lines/in2
Magnetizing Force (H)	Oersted (Oe)	Ampere turns/m (At/m)	Ampere turns/in (At/in)
Magnetomotive Force (mmf or F)	Gilbert (Gb)	Ampere turn (At)	Ampere turn (At)

Conversion Between Systems

cgs System to SI system

1 Oe = 79.62 At/m

10,000 G = 1 T

1 Gb = 0.79577 At

1 Maxwell = 1 Line = 10-8 Wb

1 G = 0.155 lines/in2

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