China permanent magnet manufacturer: www.rizinia.com

N35H NdFeB Arc Countersunk ​Magnet R45xR39x60°x25mmx6mm

Port: Ningbo or Shanghai, China 
Production Capacity: 500000000PCS/Season
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Magnetization Direction: Axial/Radial/Multi-Poles Magnetization
Color: Silver, golden
Coating: Nickel,Copper,Gold,Silver,Zinc
Grade: N35-N52
Shape: Disc countersunk,block countersunk,Arc countersunk
Material: Sintered Neodymium-Iron-Boron
HS Code: 8505111000
Tolerance: +/- 0.05mm
Transport Package: Carton, Wood Case, Anti-Magnetized Package
Sample: Avaliable
OEM: Acceptable
Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet

  • PRODUCT DETAIL

Specification of N35H NdFeB Arc Countersunk Magnet R45xR39x60°x25mmx6mm
Texture of material N35H
Size R45xR39x60°x25mmx6mm
Tolerance The diameter is ± 0.05mm and the thickness is ± 0.1mm
Coating Zn
Magnetization direction Axial magnetization
Working temperature The maximum working temperature is 120 ℃

Magnetic Characteristics of N35H

Br (Residual Induction) Br (Residual Induction) Hcb (Coercive Force) Hcb (Coercive Force) Bhmax (Maximum Product Energy) Bhmax (Maximum Product Energy) Hcj (Intrinsic Coercive Force) Hcj (Intrinsic Coercive Force)
mT KGs KA/m KOe KJ/m³ MGOe KOe KA/m
1.18-1.23 11.8-12.3 868 10.9 263-287 33-36 17 1353

Thermal Characteristics of N35H

Max Operating Temp Curie Temp Reversible Temp Coeff Rev Temp Coeff
°C %/°C Br (TC a(Br) %/°C) Hcj (Tc a(Hcj) %/°C)
120 310 -0.120 -0.605

Mechanical/Physical Characteristics of N35H

Density
g/cm3
7.5-7.8

Grade & Working Temperature:

Grade

Max Operating Temperatures

N35-N50

80°C     (176°F)

35M-48M

100°C   (212°F)

35H-45H

120°C   (248°F)

33SH-42SH

150°C   (302°F)

28UH-38UH

180°C   (356°F)

Neodymium Special Shaped Magnets with other Coating are also available:


Coating Type Overall Thickness Salt Spray Test Pressure Cooker Test
Ni-Cu-Ni (Nickel) 15-21 μm 24 hours 48 hours
NiCu + Black Nickel 15-21 μm 24 hours 48 hours
NiCuNi + Epoxy 20-28 μm 48 hours 72 hours
NiCuNi + Gold 16-23 μm 36 hours 72 hours
NiCuNi + Silver 16-23 μm 24 hours 48 hours
Zinc 7-15 μm 12 hours 24 hours

Each individual layer of Nickel and Copper are 5-7 μm thick. The Gold and Silver Coating layers are 1-2 μm thick. Test results shown to allow comparison between Coating options. Performance in your application under your specific test conditions may vary. Salt Spray testing conducted with a 5% NaCl solution, at 35°C. Pressure Cooker Test (PCT) conducted at 2 atm, 120°C at 100% RH.

Shape Max Size Min Size
Block L240*100*50mm L1*1*0.5mm
Disc/Cylinder D240*50mm D1*0.5mm
Ring OD240*40mm (hole size flexible as requested) D1.5*0.5*1mm
Countersunk OD240*40mm (hole size flexible as requested) D8*2.5mm (hole size as customized)

Other special shapes

per as your request per as your request

China Arc Countersunk Magnets Manufacturer www.rizinia.com supplies N35H NdFeB arc countersunk magnets, block countersunk magnets,arc countersunk magnets for scientific experiments or for industrial applications.

This product is not a toy and is not to be used by children. This product is to be used for scientific experiments or for industrial applications. This product contains strong Neodymium magnet(s) that can be harmful or fatal if swallowed. Strong Neodymium magnets are fragile, they are brittle and will break or chip if they hit a hard surface or are snagged together. Always use the utmost care when handling Neodymium magnets.

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