China permanent magnet manufacturer:

N38 NdFeB Block Magnet F20mm*5mm*2mm

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: Block,disc,cylinder,mesopore,ring,rod,sphere,cube,neocube,tube,arc,cone
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


Specification of N38 NdFeB Block Magnet F20mm*5mm*2mm
Texture of material N38
Remanence Br 1.249T 12.49KGs
Coercivity Hcb 965.4kA/m 12.13kOe
Intrinsic coercivity Hcj 1037 kA/m 13.03kOe
Maximum magnetic energy product (BH) max 37.9MGOe
Size Length 20mm * width 5mm * thickness 2mm
Tolerance Length width ± 0.05mm, thickness ± 0.1mm
Coating Zinc
Magnetization direction Axial magnetization
Surface magnetic field 2360-2800GS
Pull 1.04kg
Working temperature The maximum working temperature is 80 ℃
Single weight 1.52g

Magnetic Characteristics of N38

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
1.23-1.26 12.3-12.6 899 11.3 287-311 36-39 12 955

Thermal Characteristics of N38

Max Operating Temp Curie Temp Reversible Temp Coeff Rev Temp Coeff
°C %/°C Br (TC a(Br) %/°C) Hcj (Tc a(Hcj) %/°C)
80 310 -0.12 -0.75

Mechanical/Physical Characteristics of N38


China Block Magnets Manufacturer supplies N38 block magnets, rare earth neodymium block magnets, ndfe block magnets, rectangular neo permanent magnets , magnetic block 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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