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Ningbo Lihe Industry
Ningbo Lihe Industry  

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strong force sintered NdFeB magnet 

Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Production Capacity: 10000pcs/month
Function: magnetic material
Average Reversible Temperature Coefficient: 0.09--0.1%/°C
Delivery Date: 20 days
Export Area: Europe,USA
Coefficient of Theramal Expansion[25~200°C]: 4.8*10-6/°C

With High precision of size It can be made of complex shapes and also be bonded with other components.

Neodyminum Iron Boron( NdFeB) magnets are alloys of the Lanthanide group of elements. Rare Earth magnets are the most advanced commerclialized permanent magnet materials today. Sintered NdFeB magnets offer the highest energy product of any material today and are avaiable in a very wide range of shapes, sizes and grades and application requirements. It is generally used in motors, speaker, toys and electronics.

Physical Properties of Sintered NdFeB
Temp.Coeff.of Br-0.11%°CTemp.Coeff.of Hc-0.60%/°C
Density 7.3-7.5g/cm3Electrical Resistivity114μΩ-cm
Vickers Hardness:600HvFlexural Resistivity25kg/mm
Tensile Strength:8.0Kg/mm2Coeff.of Thermal Expansion4*10-6/°C
Specific Heat0.12Kcal/KgThermal Conductivity7.7kcal/[m.h.°C]
YoungOs Modulus1.6*10[11]N/m2Rigidity0.64N/M2
PoissonOs Ratio0.24Compressibility9.8*10-12m2/N
Curie Tempetature310-340°C

Magnetic blocks sintered ndfeb magnet

GradeRemanenceNormalInterinsicMax.Energy ProductMaximum
BRCoercivityCoercivity(BH)MaxOperating Temp.
Kg(mT)HCB Koe(Ka/m)HCJ Koe(Ka/m)MGOe(Kj/m3)(°C)
N-3010.8-11.2≥9.8≥12.028-30<80< td="">
(1180-1120)(≥780)(≥995)(223-239)
11.3-11.7≥10.5≥12.031-33
(1130-1170)(≥836)(≥995)(247-1263)
N-3511.7-12.1≥11.0≥12.033-36<80< td="">
(1170-1210)(≥875)(≥955)(263-286)
12.2-12.6≥11.4≥12.036-38
(1120-1260)(≥907)(≥955)(286-303)
N-4012.6-12.9≥10.5≥12.038-40<80< td="">
(1260-1290)(≥835)(≥955)(303-318)
13.0-13.2≥11.4≥12.041-42
(1300-1320)(≥907)(≥955)(326-334)
N-4513.3-13.7≥11.0≥12.043-45<80< td="">
(1330-1370)(≥876)(≥955)(342-358)
13.8-14.2≥10.5≥11.046-49
(1380-1420)(≥835)(≥876)(366-390)
N-5014.1-14.7≥10.5≥11.048-52<80< td="">
(1410-1470)(≥835)(≥876)(382-414)
10.8-11.2≥9.8≥14.028-30
(1080-1120)(≥780)(≥1114)(223-239)
33M11.3-13.7≥10.3≥14.031-33<100< td="">
(1130-1170)(≥820)(≥1114)(247-263)
11.7-12.1≥10.8≥14.033-35
(1170-1210)(≥860)(≥1114)(263-279)
38M12.0-12.4≥11.2≥14.036-38<100< td="">
(1200-1240)(≥890)(≥1114)(286-303)
12.5-12.9≥10.6≥14.038-40
(1250-1290)(≥844)(≥1114)(303-318)
42M13.0-13.2≥11.4≥14.040-43<100< td="">
(1300-1320)(≥907)(≥1114)(318-342)
13.3-13.7≥11.0≥14.043-45
(1330-1370)(≥876)(≥1114)(342-358)
48M13.8-14.4≥12.8≥14.046-50<100< td="">
(1380-1440)(≥1019)(≥1114)(366-398)
12.2-12.6≥11.4≥17.036-38
(1220-1260)(≥907)(≥1353)(286-303)
40H12.6-12.9≥11.6≥17.038-40<120< td="">
(1260-1290)(≥923)(≥1353)(303-318)
44H13.3-13.5≥11.0≥17.042-44<120< td="">
(1330-1350)(≥876)(≥1353)(334-350)
46H13.6-13.8≥11.0≥17.044-46<120< td="">
(1360-1380)(≥876)(≥1353)(350-366)
48H13.8-14.4≥12.7≥17.046-50<120< td="">
(1380-1440)(≥1011)(≥1353)(366-398)
30SH11.3-11.7≥10.1≥20.028-31<120< td="">
(1130-1170)(≥804)(≥1592)(223-247)
33SH10.8-11.3≥10.5≥20.031-33<150< td="">
(1080-1130)(≥835)(≥1592)(247-263)
35SH11.8-12.2≥11.0≥20.033-35<150< td="">
(1180-1220)(≥875)(≥1592)(263-279)
38SH12.0-12.4≥11.4≥20.036-38<150< td="">
(1200-1240)(≥907)(≥1592)(286-302)
40SH12.4-12.8≥11.8≥20.038-41<150< td="">
(1240-1280)(≥939)(≥1592)(302-326)
42SH13.0-13.2≥12.0≥20.040-42<150< td="">
(1300-1320)(≥955)(≥1592)(318-334)
44SH13.3-13.9≥12.0≥20.042-46<150< td="">
(1330-1390)(≥955)(≥1592)(334-366)
27UH10.2-10.8≥9.3≥25.025-28<180< td="">
(1020-1080)(≥740)(≥1990)(119-223)
30UH10.8-11.2≥10.6≥25.028-30<180< td="">
(1080-1120)(≥844)(≥1990)(223-239)
32UH11.2-11.8≥10.5≥25.030-34<180< td="">
(1120-1180)(≥834)(≥1990)(239-271)
34UH11.5-12.1≥10.8≥25.032-36<180< td="">
(1150-1210)(≥860)(≥1990)(255-287)
36UH12.1-12.7≥11.2≥25.034-38<180< td="">
(1210-1270)(≥892)(≥1990)(271-302)
38UH12.3-12.9≥11.4≥25.036-40<180< td="">
(1230-1290)(≥907)(≥1990)(287-315)
40UH12.5-13.1≥11.6≥25.038-42<180< td="">
(1250-1310)(≥923)(≥1990)(302-334)
30EH10.8-11.2≥10.6≥27.028-30<200< td="">
(1080-11200(≥844)(≥2150)(223-239)
32EH11.2-11.8≥10.5≥27.030-34<200< td="">
(1120-1180)(≥931)(≥2150)(239-271)
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 Mr. Anderson Dong
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Tel: 86-574-83032200
Fax: 86-574-83032900
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Company Info

Ningbo Lihe Industry [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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