Neodymium Big Ring Magnets N42sh Nicuni Coating Strong Magnet (RM-MaximMAG)

• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Motor Magnet
• Shape: Coil
• Coating: Nickel
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: RM-MaximMAGNET
• Grade: N52
• up to 240mm Outer Diameter: Without Any Inner Defects
• Type: NdFeB, Neodymium, Super Strong
• Magnetization: Through Thickness
• Applications: as You Design
• Transport Package: Bulk Packaging
• Specification: as per specification
• Trademark: MaximMAGNET
• Origin: Ningbo, China
• HS Code: 85051110
• Package Size: 35.00cm * 26.00cm * 16.00cm
• Package Gross Weight: 15.000kg

Product Description

Product Name:  
Neodymium big ring magnets for Speakers
 
Material: 
neodymium-iron-boron

Grade: 
from N35 to N52, N33M to N48M, N30H to N45H, N30SH to N42SH, N30UH to N35UH, N28EH to N35EH
magnetic residual 11.7-14.8kGs;
 
Coatings:   Ni-Cu-Ni, Zinc, epoxy etc.
 
 

Application: 
Speaker, Sensors, Electric motors, Magnetic holding etc.

The specification(dimensions) of magnet is tailor made according to client's requests and drawings.
  

 

Physical Property of NdFeB Magnets
Item			Property
Density			7.5/7.6g/cm3
Reversible Temp Coeff			-0.11%ºC
Curie Temperature			310-340ºC
Hardness			600Hv
Resistivity			144μΩ.cn
Compressibility			9.8×10-12m2/N
Flexure Strength			25kg/mm
Tensile Strength			8.0kg/mm2
Specific heat			0.12kCak/(kg.ºC)