Specifications

counter sunk hole NdFeB magnet
high Br, Hcj & (BH)max, any sizes, N30~N45, 33M~45M, 30H~44H, 30SH~35SH, 28UH~35UH, 28EH-33EH.

counter sunk hole NdFeB magnet

Property: 40SH

Br>=1.26T, Hcb ≥859kA/m, Hcj≥1592kA/m, (BH)max>=38MGOe

Coating: Ni

Magnetization: axially magnetized or not magnetized

Tolerance: all ±0.1mm

Max working temperature: 150°C

Curie temperature: 310 to 340°C

Packing: packed in plastic bags, then put in cartons

Delivery time: 10 days

Density: 7.5 to 7.6g/cm³

Br temperature coefficient: -0.09 to -0.12%/°C

IHc temperature coefficient: -0.58 to -0.6%/°C

Coating test: salt spray test, PCT test, coating thickness, and more

Qualification standard: AQL = 0.65

Payment term: L/C at sight or T/T in advance

Certification: RoHS certification, ISO9001

Saturation recoil strength: 2.4-3.2kA/m

Tensile strength: 8.0kg/mm²

Specific heat: 0.12kCal/(kg, °C)

Young?s modulus: 1.6 x 1,011N/m²

Poisson?s ratio: 0.24

Electrical resistivity: 114μΩ/cm

Flexural strength: 25kg/mm

Coefficient of thermal expansion: 4 x 10-6/°C

Rigidity: 0.64N/m²

Vickers hardness: 600Hv

Compressibility: 9.8 x 10-12m²/N

Relative recoil permeability: 1.05

Thermal conductivity: 7.7kCal/(m.h. °C)