Gold Member Since 2015
Audited Supplier
Hangzhou Xiaoshan Dunben Magnet Co., Ltd.

Speaker Magnet, Ring Magnet, NdFeB Magnet manufacturer / supplier in China, offering N40 Ring NdFeB Magnetic for Speaker, Sector Neodymium Magnet Free Energy Generator, Customized Office Round White Board Magnets and so on.

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Supplier Homepage Product NdFeB Magnet N40 Ring NdFeB Magnetic for Speaker

N40 Ring NdFeB Magnetic for Speaker

Purchase Qty.:
(Pieces)
100-999 1,000+
FOB Unit Price: US $0.86 US $0.82
Purchase Qty. (Pieces) FOB Unit Price
100-999 US $0.86
1,000+ US $0.82
Get Latest Price
Port: Shanghai, China
Production Capacity: 5000PCS/Day
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: N40
  • Shape: Ring
  • Grade: N40
  • Tolerance: +/-0.05mm
  • Magnetism Dircetion: Thickness
  • Transport Package: Standard Export Package with 32X24X26cm
  • Origin: Hangzhou
  • Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Coating: Zinc
  • Size: by Drawing
  • MOQ: 100PCS
  • Trademark: hzdunben
  • Specification: By Drawing
  • HS Code: 85051190
Product Description
1.My promise and contact information
a:quick reply (I will reply u with 2 hourse)
b:professional advise ( I wll provide u advise regarding to your request)
c:100% quality control (All magnets will be inspected before shipment)
d:100 shipment on time (I will inform u if any delay)
c:Best after sale service (Just contact if there is any questions)
N40 Ring NdFeB Magnetic for Speaker
2.NdFeB magnet
NdFeB magnet is an alloy magnet made from Nd. Fe.B and other metal elements. Developed in 1982 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of permanent magnet commercially available

3.NdFeB Magnet shape
BlockCylinderArc
DiscSegmentRing
N40 Ring NdFeB Magnetic for Speaker

4.NdFeB Magnet grade
GradeRemanenceCoercive ForceIntrinsic Coercive ForceMax. energy productMax.OperatingTemp
BrHcbHcj(BH ) max  Tw
mT (kGs)kA/m (kOe)kA/m (kOe)kJ/m3 (MGOe)
N351170-1220>= 868>=955263-28780°C
(11.7-12.2)( >= 10.9)( >= 12)(33-36)
N381220-1250>=899>=955287-31080°C
(12.2-12.5)( >= 11.3)( >= 12)(36-39)
N401250-1280>= 907>=955302-32680°C
(12.5-12.8)( >= 11.4)( >= 12)(38-41)
N421280-1320>= 915>=955318-34280°C
(12.8-13.2)( >= 11.5)( >= 12)(40-43)
N451320-1380>= 923>=955342-36680°C
(13.2-13.8)( >= 11.6)( >= 12)(43-46)
N481380-1420>= 923>=955366-39080°C
(13.8-14.2)( >=11.6)( >= 12)(46-49)
N501400-1450>= 796>=955382-40680°C
(14.0-14.5)( >= 10.0)( >= 12)(48-51)
N521430-1480>= 796>=955398-42280°C
(14.3-14.8)( >= 10.0)( >= 12)(50-53)
33M1130-1170>= 836>= 1114247-263100°C
(11.3-11.7)  (>= 10.5)( >= 14)(31-33)
35M1170-1220>= 868>= 1114263-287100°C
(11.7-12.2)( >= 10.9)( >= 14)  (33-36)
38M1220-1250>= 899>= 1114287-310100°C
(12.2-12.5)( >= 11.3)( >= 14)(36-39)
40M1250-1280>= 923>= 1114302-326100°C
(12.5-12.8)( >= 11.6)( >= 14)(38-41)
42M1280-1320>= 955  >= 1114  318-342  100°C
(12.8-13.2)( >= 12.0)( >= 14)(40-43)
45M1320-1380>= 995>= 1114342-366100°C
(13.2-13.8)( >= 12.5)( >= 14)(43-46)
48M1360-1430>= 1027>= 1114366-390100°C
(13.6-14.3)( >= 12.9)( >= 14)(46-49)
50M1400-1450>= 1033>= 1114382-406100°C
(14.0-14.5)( >= 13.0)( >= 14)(48-51)
35H1170-1220>= 868>= 1353263-287120°C
(11.7-12.2)( >= 10.9)( >= 17)(33-36)
38H1220-1250>= 899>= 1353287-310120°C
(12.2-12.5)( >= 11.3)( >= 17)(36-39)
40H1250-1280>= 923>= 1353302-326120°C
(12.5-12.8)( >= 11.6)( >= 17)(38-41)
42H1280-1320>= 955>= 1353318-342120°C
(12.8-13.2)( >= 12.0)( >= 17)(40-43)
45H1320-1360>= 963>= 1353326-358120°C
(13.2-13.6)( >= 12.1)( >= 17)(43-46)
48H1370-1430>= 995>= 1353366-390120°C
(13.7-14.3)( >= 12.5)( >= 17)(46-49)
35SH1170-1220>= 876>= 1592263-287150°C
(11.7-12.2)( >= 11.0)( >= 20)(33-36)
38SH1220-1250>= 907>= 1592287-310150°C
(12.2-12.5)( >= 11.4)( >= 20)(36-39)
40SH1240-1280>= 939>= 1592302-326150°C
(12.5-12.8)( >= 11.8)( >= 20)(38-41)
42SH1280-1320>= 987>= 1592318-342150°C
(12.8-13.2)( >= 12.4)( >= 20)(40-43)
45SH1320-1380>= 1003>= 1592342-366150°C
(13.2-13.8)( >= 12.6)( >= 20)(43-46)
28UH1020-1080>= 764>= 1990207-231180°C
(10.2-10.8)( >= 9.6)( >= 25)(26-29)
30UH1080-1130>= 812>= 1990223-247180°C
(10.8-11.3)( >= 10.2)( >= 25)(28-31)
33UH1130-1170>= 852>= 1990247-271180°C
(11.3-11.7)( >= 10.7)( >= 25)(31-34)
35UH1180-1220>= 860>= 1990263-287180°C
(11.8-12.2)( >= 10.8)( >= 25)(33-36)
38UH1220-1250>= 876>= 1990287-310180°C
(12.2-12.5)( >= 11.0)( >= 25)(36-39)
40UH1240-1280>= 899>= 1990302-326180°C
(12.5-12.8)( >=11.3)( >= 25)(38-41)
28EH1040-1090>= 780>= 2388207-231200°C
(10.4-10.9)( >= 9.8)( >= 30)(26-29)
30EH1080-1130>= 812>= 2388223-247200°C
(10.8-11.3)( >= 10.2)( >= 30)(28-31)
33EH1130-1170>= 876>= 2388247-271200°C
(11.3-11.7)( >= 10.5)( >= 30)(31-34)
35EH1170-1220>= 876>= 2388263-287200°C
(11.7-12.2)( >= 11.0)( >= 30)(33-36)
38EH1220-1250>= 899>= 2388287-310200°C
(12.2-12.5)( >= 11.3)( >= 30)(36-39)
28AH1040-1090>=787>= 2624207-231230°C
(10.4-10.9)( >= 9.9)( >= 33)(26-29)
30AH(26-29)>=819>= 2624223-247230°C
(10.8-11.3)( >= 10.3)( >= 33)(28-31)
33AH1130-1170>= 843>= 2624247-271230°C
(11.3-11.7)(>= 10.6)( >= 33) 
N40 Ring NdFeB Magnetic for Speaker

5.NdFeB Magnet advantages
1) NdFeb magnet has high performance
2) NdFeB magnet has low weight loss
3) NdFeB magnet has good coercive force
4) NdFeb magnet has max continuous working

6.NdFeB Magnet application
1) mini-motors
2) ABS sensors
3) sound device
4) magnetic machine
5) bag and clothing
N40 Ring NdFeB Magnetic for Speaker

7.NdFeb Magnet delivery time
a:5-7days for sample
b:15-20days for large quantity

8.NdFeB Magnet package
N40 Ring NdFeB Magnetic for Speaker
 
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