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Rare Earth neodymium magnets

Location:
Shanghai, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C
Categories:
Home > Minerals, Metals & Materials > Rare Earth & Products

Product Description

Product: Rare Earth neodymium magnets

key words: neodymium magnets ; Sintered Neodymium Magnet ; NdFeB Products

Material: Neodymium Magnet ;

Grade available: N35-N52,35M-50M,33H-48H,33SH-45SH,30UH-40UH,28EH-38EH,

Coating: Ni(NiCuNi), Zn, Gold, Copper, Epoxy and so on;

The table below compares the magnetic performance of neodymium magnets with other types of permanent magnets.

Magnet

Mr (T)

Hci (kA/m)

BHmax (kJ/m3)

TC (°C)

Nd2Fe14B (sintered)

1.0–1.4

750–2000

200–440

310–400

Nd2Fe14B (bonded)

0.6–0.7

600–1200

60–100

310–400

SmCo5 (sintered)

0.8–1.1

600–2000

120–200

720

Sm(Co, Fe, Cu, Zr)7 (sintered)

0.9–1.15

450–1300

150–240

800

Alnico (sintered)

0.6–1.4

275

10–88

700–860

Sr-ferrite (sintered)

0.2–0.4

100–300

10–40

450

Physical and mechanical properties

Comparison of physical properties of sintered neodymium and Sm-Co magnets

Property

Neodymium

Sm-Co

Remanence (T)

1–1.3

0.82–1.16

Coercivity (MA/m)

0.875–1.99

0.493–1.59

Permeability

1.05

1.05

Temperature coefficient of remanence (%/K)

–0.12

–0.03

Temperature coefficient of coercivity (%/K)

–0.55..–0.65

–0.15..–0.30

Curie temperature (°C)

320

800

Density (g/cm3)

7.3–7.5

8.2–8.4

CTE, magnetizing direction (1/K)

5.2×10–6

5.2×10–6

CTE, normal to magnetizing direction (1/K)

–0.8×10–6

11×10–6

Flexural strength (N/mm2)

250

150

Compressive strength (N/mm2)

1100

800

Tensile strength (N/mm2)

75

35

Vickers hardness (HV)

550–650

500–550

Electrical resistivity (Ω·cm)

(110–170)×10–6

86×10–6

Our main products are:
1,Metal injection molding, made from the stainless steel, tungsten, Iron-base alloy, tool steel, hard metal alloy.
2,Rare earth magnet, including sintered Neodymium-Iron-Boron, bonded Neodymium-Iron-Boron, sintered Samarium-Cobalt. All magnets are supplied in a wide range of shapes such as: rectangular blocks, discs, rings and segments.
3,Ferrite magnet: Hard ferrite magnet and soft ferrite magnet including the MnZn and NiZn.
4,Die-cast component, made from zinc, aluminum, magnesium alloys.

Other quality management
SPC dada statistics., Advanced inspection equipments, Staff education, APQP FMEA , PPAP , SPC , MSA , 6 sigma , MIL-STD M105E Standard Ac=0 Sampling Method ( Zero Defect Plan ) , Traceable lot number naming method .

♣ Please do not hesitate to contact us with the following infomation if you have intention of purchasing,thanks

1.Drawings or samples (offering both will be preferred).

2.Purchasing quantity.

3.Other requirements.



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Contact Information

Company:
 Shanghai United Metal Materials Co., Ltd.
Phone Number:
  86-21-6142 0300
Fax Number:
 86-21-00000000
 
Shanghai United Metal Materials Co., Ltd.
 Shanghai , China FREE
 

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