Neodymium Segment Magnet R8 x r4 x 90° x 6mm

MaterialNd2Fe14B
GradeN40UH
ShapeArc/Segment
DimensionsR8 x r4 x 90° x 6mm
CoatingNiCuNi
MagnetizationThrough Thickness
MOT180℃
Weight1.70g / Piece

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Description

Buy neodymium segment magnets from HQ Magnet – One of the earliest neodymium magnets manufacturer in China since 1994. We supply custom magnets in many shapes, sizes, and grades of neodymium magnets and assemblies. We are happy to provide our best price for you. Please note that the product show above is one of our made products for our customer, all of our products are made according customer’s requirements, unlike orders for stock magnets, custom magnet orders require a minimum purchase amount (according the specific requirements), and take about 3-4 weeks to fulfill.

Additional information

Material

Sintered Neodymium-Iron-Boron (NdFeB)

Grade

Shape

Dimensions

R8 x r4 x 90° x 6mm (Outer Radius x Inner Radius x Degree x Height)

Coating

Magnetization

Tolerance

+/- 0.05 mm

Density

7.40 ~ 7.70 g/cm3

Operating Temperature

Remanence (Br)

>12.6 kGs, >1.26 T

Coercivity (HcB)

>912 kA/m, >11.5 kOe

Intrinsic Coercivity (HcJ)

>1990 kA/m, >25 kOe

Maximum Energy (BHmax)

302 ~ 326 kJ/m3, 38 ~ 41 MGOe

Vickness Hardness

500 ~ 700 HV

Compressive Strength

1000 ~ 1100 MPa

Tensile Strength

80 ~ 90 MPa

Bending Strength

150 ~ 400 MPa

Thermal Conductivity

8 ~ 10 W/(m·K)

Young's Modulus

150 ~ 200 Gpa

Electrical Resistivity C∥

1.4 ~ 1.6 μΩ·m

Electrical Resistivity C⊥

1.2 ~ 1.4 μΩ·m

Thermal Expansion C∥

4 ~ 9 x 10^-6/K

Thermal Expansion C⊥

-2 ~ 10 x 10^-6/K

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