Neodymium magnets high Br, Hcj & BH, ring & any sizes, N30-N45, N33M-N45M, N30H-N44H, N30SH-N40SH, N28UH-N35UH, N28EH-N33EH.

Neodymium magnets description

Material: NdFeB

Property: N40

Br: 1.26-1.3T, bHc ≥836kA/m, Hcj ≥955kA/m, (BH) 302-318kJ/m max

Size: D50.8*d25.4*50.8mm

Single weight: 0.847kg

Coating: NiCuNi

Magnetization: axially magnetized or not magnetized

Tolerance: all ±0.05mm

Max working temperature: 80°C

Curie temperature: 310 to 340°C

Packing: packed in hyper-foam, then put in cartons

Delivery time: 30 days

Density: 7.5 to 7.6g/cm³

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

Hc 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

Saturation recoil strength: 2.4-3.2kA/m

Tensile strength: 8.0kg/mm²

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)