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牌号 Grade

GPM-2

GPM-4

GPM-6

GPM-8

剩余磁感应强度Br (mT)

Residual Induction (KGs)

300-400

(3.0-4.0)

400-500

(4.0-5.0)

500-600

(5.0-6.0)

600-680

(6.0-6.8)

矫顽力(Hcb)   (KA/m)

Coercive Force   (KOe)

160-240

(2.0-3.0)

240-320

(3.0-4.0)

320-400

(4.0-5.0)

360-440

(4.5-5.5)

内禀矫顽力(Hci)   (KA/m)

Inteinsic Coercive Force (KOe)

480-640

(6.0-8.0)

560-720

(7.0-9.0)

560-720

(7.0-9.0)

640-800

(8.0-10.0)

最大磁能积(BH)max  (KJ/m3

Max.Energy Product(MGOe)

16-24

(2.0-3.0)

32-44

(4.0-5.5)

48-60

(6.0-7.5)

60-68

(7.5-8.5)

可逆透磁率 r/Recoil (μH/M)

Permeability

1.2

1.2

1.2

1.2

平均可逆温度系数Temperature

Coefficient of B (%/℃)

-0.11

-0.11

-0.11

-0.11

居里温度Tc

Curie Temperature (℃)

350

350

350

350

最大工作温度Max.Operating

Temperature (℃ )

160

160

160

160

饱和磁化场Saturation(KA/m)

Magnetizing Force (Koe)

>1600

>20

>1600

>20

>1600

>20

>1600

>20

密度p (g/cm)

Dendity

4.0-5.0

5.2-5.7

5.5-6.0

5.8-6.1

硬度 (HRB)

Hardness

40-45

40-45

40-45

35-38

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