Sintering NdFeB hole

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Basic Info.
  • certificate: ISO9001:2000 , ISO 14001:2004 
  • materials: Sintering NdFeb 
  • shape: hole 
  • Model No.: N/H/SH/UH/EH/AH/M 
  • Place of Origin: Zhejiang  
  • Min.Order: 100 Kilogram
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 30 tons monthly
  • Packing:occording to customers is requiements
  • Delivery Date: General deliverly for 10 days
NdFeB Magnet
With strictly quality control our products enjoy great popularity around the world.
Ketian magnet prepares its anisotropic powders by either casting an alloy melt into a mold, or strip casing. Strip Casting offers the advantage of better chemical stability. Subsequently, the ingot from the mold or the flakes from Strip Casting are pulverized to a uniform grain/particle size. The best method for obtaining the desired grain size is by HDDR. The HDDR [hydrogenation-decomposition-desorption-recombination] process yields a more homogenous particle size with a minimum of α-Fe, and Nd-rich phases. Anisotropic Nd-Fe-B, HDDR powders prepared from strip cast alloys are used for the HAST [Highly Accelerated Stress Test] grades of NdFeB Magnets, including N, H, SH, UH, EH, and AH grades.
When you purchased magnets form Ketian magnet you get the following superb benefits:
Improved Corrosion Resistance:8
NdFeB Magnet
The HAST protocol used on our neodymium iron boron magnets can qualitatively reflect the service life of the magnet. This test exposes the magnet to 130°C, 95% RH, at 2 ATM for more than one day. The magnet is massed before and after the test. Our magnets measure a weight loss of less than 5 mg/cm2.
High Maximum Working Temperature:
Our AH series of NdFeB magnets have working temperatures up to 240°C.
Excellent Corrosion Resistance:
Ketian magnet offers a number of coatings including: Nickel, Epoxy, Zinc, Tin, Phosphate, polypropylene etc.
Good Surface Tension and adhesion:
NdFeB Magnet
Adhesives require a properly prepared surface for bonding. Good wet-ability is one of the keys to good bonding. The shear strength for our Ni Plated magnets is greater than competitive magnets.
GradeMax. Energy ProductRemanenceCoercive ForceRev. Temp. Coeff.Curie Temp.Working Temp.
(BH)maxBrHcHciBdHdTcTw
MGOekJ/m3kGmTkOekA/mkOekA/m%/oC%/oCoCoC
N3331-33247-26311.30-11.701130-1170>10.5>836>12>955-0.12-0.6031080
N3533-36263-28711.70-12.101170-1210>10.9>868>12>955-0.12-0.6031080
N3836-39287-31012.10-12.501210-1250>11.3>899>12>955-0.12-0.6031080
N4038-41302-32612.50-12.801250-1280>11.6>923>12>955-0.12-0.6031080
N4240-43318-34212.80-13201280-1320>11.6>923>12>955-0.12-0.6031080
N4543-46342-36613.20-13.801320-1380>11.0>876>12>955-0.12-0.6031080
N4846-49366-39013.80-14.201380-1420>10.5>835>11>876-0.12-0.6031080
N30M28-32223-25510.90-11.701090-1170>10.2>812>14>1114-0.12-0.59320100
N33M31-35247-27911.40-12.201140-1220>10.7>851>14>1114-0.12-0.59320100
N35M33-37263-29411.80-12.501180-1250>11.0>875>14>1114-0.12-0.59320100
N38M36-40286-31812.30-13.001230-1300>11.5>915>14>1114-0.12-0.59320100
N40M38-42302-33412.60-13.201260-1320>11.8>939>14>1114-0.12-0.59320100
N42M40-44318-35013.00-13.501300-1350>12.0>955>14>1114-0.12-0.59320100
N45M42-46334-36613.20-13.801320-1380>12.2>971>14>1114-0.12-0.59320100
N33H31-34247-27111.30-11.701130-1170>10.5>836>17>1353-0.11-0.58320-350120
N35H33-36263-28711.70-12.101170-1210>10.9>868>17>1353-0.11-0.58320-350120
N38H36-39287-31012.10-12.501210-1250>11.3>899>17>1353-0.11-0.58320-350120
N40H38-41302-32612.40-12.801240-1280>11.6>923>17>1353-0.11-0.58320-350120
N42H40-43318-34212.80-13.201280-1320>12.0>955>17>1360-0.11-0.58320-350120
N33SH31-34247-27211.30-11.701130-1170>10.6>844>20>1592-0.11-0.55340-360150
N35SH33-36263-28711.70-12.101170-1210>11.0>876>20>1592-0.11-0.55340-360150
N38SH36-39287-31012.10-12.501210-1250>11.4>907>20>1592-0.11-0.55340-360150
N40SH38-41302-32612.10-12.801240-1280>11.8>939>20>1592-0.11-0.55340-360150
N28UH26-29207-23110.20-10.801020-1080>9.6>768>25>1990-0.11-0.51350-380180
N30UH28-31223-24710.80-11.301080-1130>10.2>816>25>1990-0.11-0.51350-380180
N33UH31-34247-27111.30-11.701130-1170>10.7>856>25>1990-0.11-0.51350-380180
N28EH26-29211-23610.40-10.901040-1090>9.8>784>30>2388-0.11-0.51350-380200
N30EH28-31223-24710.80-11.301080-1130>10.2>812>30>2388-0.11-0.51350-380200

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Ms. Sampad Liu
Tel: 86-574-87405128/87405198
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Ningbo Bonwin Magnet Co., Ltd.
1006Room Yaojiangxingdu Building,165-6 Changyang East Road, Jiangbei District, Ningbo, Zhejiang, China (Mainland)
Fax: 86-574-87405316
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