Density

g/cm3

8.20 ~ 8.60

Vickers hardness

HV

450 ~ 900

Resistivity

μΩ·m

1.4 ~ 1.6

Compressive strength

MPa

≥650

Bending strength

MPa

≥80

Thermal conductivity

W/(m·K)

8 ~ 10

Young's modulus

GPa

150 ~ 200

Coefficient of thermal expansion

C⊥

10-6/K

11.0~11.2

C∥

10-6/K

6.9~7.0

牌号

Br

Hcb

Hcj

(BH)max

α(Br)

μrec

Tc

T

kGs

kA/m

kOe

kA/m

kOe

kJ/m3

MGOe

%/K

-

℃

SmCo18

≥0.87

≥8.7

≥637

≥8

≥1353

≥17

135~151

17~19

≤1.05

≥700

SmCo20

≥0.92

≥9.2

≥680

≥8.5

≥1353

≥17

151~167

19~21

≤1.05

≥700

SmCo22

≥0.97

≥9.7

≥709

≥8.9

≥1353

≥17

167~183

21~23

≤1.05

≥700

2:17型钐钴主要磁性能

牌号

Br

Hcb

Hcj

(BH)max

α(Br)

μrec

Tc

T

kGs

kA/m

kOe

kA/m

kOe

kJ/m3

MGOe

%/K

-

℃

SmCo24D

≥ 1.01

≥ 10.1

≥ 422

≥ 5.3

≥ 557

≥ 7

183 ~ 199

23 ~ 25

-0.035

-

≥780

SmCo26D

≥ 1.05

≥ 10.5

≥ 438

≥ 5.5

≥ 557

≥ 7

199 ~ 215

25 ~ 27

-0.035

-

≥780

SmCo28D

≥ 1.1

≥ 11

≥ 454

≥ 5.7

≥ 557

≥ 7

215 ~ 231

27 ~ 29

-0.035

-

≥780

SmCo30D

≥ 1.14

≥ 11.4

≥ 477

≥ 6

≥ 557

≥ 7

231 ~ 247

29 ~ 31

-0.035

-

≥780

SmCo32D

≥ 1.17

≥ 11.7

≥ 485

≥ 6.1

≥ 557

≥ 7

247 ~ 263

31 ~ 33

-0.035

-

≥780

SmCo24

≥ 1.01

≥ 10.1

≥ 573

≥ 7.2

≥ 1194

≥ 15

183 ~ 199

23 ~ 25

-0.035

≤1.1

≥800

SmCo26

≥ 1.05

≥ 10.5

≥ 597

≥ 7.5

≥ 1194

≥ 15

199 ~ 215

25 ~ 27

-0.035

≤1.1

≥800

SmCo28

≥ 1.1

≥ 11

≥ 621

≥ 7.8

≥ 1194

≥ 15

215 ~ 231

27 ~ 29

-0.035

≤1.1

≥800

SmCo30

≥ 1.14

≥ 11.4

≥ 644

≥ 8.1

≥ 1194

≥ 15

231 ~ 247

29 ~ 31

-0.035

≤1.1

≥800

SmCo32

≥ 1.17

≥ 11.7

≥ 668

≥ 8.4

≥ 1194

≥ 15

247 ~ 263

31 ~ 33

-0.035

≤1.1

≥800

SmCo22H

≥ 0.97

≥ 9.7

≥ 644

≥ 8.1

≥ 1592

≥ 20

167 ~ 183

21 ~ 23

-0.035

≤1.1

≥820

SmCo24H

≥ 1.01

≥ 10.1

≥ 668

≥ 8.4

≥ 1592

≥ 20

183 ~ 199

23 ~ 25

-0.035

≤1.1

≥820

SmCo26H

≥ 1.05

≥ 10.5

≥ 693

≥ 8.7

≥ 1592

≥ 20

199 ~ 215

25 ~ 27

-0.035

≤1.1

≥820

SmCo28H

≥ 1.1

≥ 11

≥ 724

≥ 9.1

≥ 1592

≥ 20

215 ~ 231

27 ~ 29

-0.035

≤1.1

≥820

SmCo30H

≥ 1.14

≥ 11.4

≥ 756

≥ 9.5

≥ 1592

≥ 20

231 ~ 247

29 ~ 31

-0.035

≤1.1

≥820

SmCo32H

≥ 1.17

≥ 11.7

≥ 773

≥ 9.7

≥ 1592

≥ 20

247 ~ 263

31 ~ 33

-0.035

≤1.1

≥820

SmCo14L

≥ 0.76

≥ 7.6

≥ 501

≥ 6.3

≥ 1194

≥ 15

103 ~ 119

13 ~ 15

-0.005

≤1.1

≥830

SmCo16L

≥ 0.82

≥ 8.2

≥ 541

≥ 6.8

≥ 1194

≥ 15

119 ~ 135

15 ~ 17

-0.008

≤1.1

≥830

SmCo18L

≥ 0.87

≥ 8.7

≥ 573

≥ 7.2

≥ 1194

≥ 15

135 ~ 151

17 ~ 19

-0.01

≤1.1

≥830

SmCo20L

≥ 0.92

≥ 9.2

≥ 605

≥ 7.6

≥ 1194

≥ 15

151 ~ 167

19 ~ 21

-0.02

≤1.1

≥830

SmCo22L

≥ 0.97

≥ 9.7

≥ 637

≥ 8

≥ 1194

≥ 15

167 ~ 183

21 ~ 23

-0.02

≤1.1

≥830

SmCo24L

≥ 1.01

≥ 10.1

≥ 668

≥ 8.4

≥ 1194

≥ 15

183 ~ 199

23 ~ 25

-0.02

≤1.1

≥830

SmCo26L

≥ 1.05

≥ 10.5

≥ 692

≥ 8.7

≥ 1194

≥ 15

199 ~ 215

25 ~ 27

-0.025

≤1.1

≥830