Morgan Carbon is a Division of Morgan Crucible

 

Carbon grades

Following are a selection of more commonly used grades found in both industrial and rail applications. Should you be looking for something, which may not be listed, please contact us.

Electro graphitic materials 

GRADE

RESISTIVITY

FLEXURAL

HARDNESS

DENSITY

CONTACT

FRICTION

CURRENT

MAX

 

 

STRENGTH

 

 

DROP

COEF.

DENSITY

SURFACE

 

u OHM / m

Mpa

scleroscope

g/cm ^3

VOLTS

 

A/cm sqr

SPEED

AY

10

20.7

45

1.6

1.8

0.29

6-15

20

G70

11

29.4

45

 

 

0.29

12

50

258

19

18.6

39

1.6

1.8

0.19

10-15

31

N39

20

31

47

1.77

2.4

0.19

15.5

51

DE7000

48

38

83

1.71

2.5

0.19

15

51

N2000

48

32

71

1.56

2.5

0.19

15

41

234

51

27.6

62

1.5

2.4

0.19

10

31

DE3

51

31

70

1.62

2.4

0.19

15

41

DE8

51

34.5

85

1.68

2.4

0.19

15

41

N5000

51

34.5

85

1.6

2.4

0.19

10

41

AX5

53

17.2

54

1.56

2.4

0.19

15

41

DE2

53

25.5

72

1.64

2.4

0.19

15

41

DE9000

53

33.1

85

1.68

2.5

0.19

15.5

51

SA35

53

16.5

61

1.54

2.5

0.19

15

41

TA35R

53

16.5

61

1.54

2.5

0.19

15

41

TA35

55

15.5

57

1.55

2.4

0.19

15

41

N6000

60

13.8

66

1.55

2.5

0.19

15

41

TA45R

60.1

15.1

55

1.62

2.5

0.19

15.5

51

DE5

61

27.6

88

1.65

2.4

0.19

15

51

DE7

61

30.3

92

1.67

2.4

0.19

15

51

DE25

61

22.5

85

1.6

2.5

0.19

15.5

51

N19

61

19.3

76

1.61

2.5

0.19

10

41

SA40

61

10.3

53

1.5

2.5

0.19

15

51

SA4548

64

10.3

50

1.5

2.5

0.29

15

41

SA45

66

10

50

1.49

2.5

0.19

15

41

TA45

66

11.7

54

1.53

2.5

0.29

10

51

TA50R

66

12

57

1.62

2.5

0.19

15.5

51

N18

71

15.5

56

1.61

2.5

0.19

15.5

51

N48

71

13.8

59

1.58

2.5

0.19

15

51

SA50

71

6.9

50

1.49

2.5

0.29

15

51

TA50

71

8.8

55

1.53

2.4

0.19

15.5

51

SA4542

73

10.5

57

1.51

2.5

0.29

15

41

TA4542

73

9.9

59

1.57

2.4

0.29

15

41

GRADE

RESISTIVITY

FLEXURAL

HARDNESS

DENSITY

CONTACT

FRICTION

CURRENT

MAX

 

 

STRENGTH

 

 

DROP

COEF.

DENSITY

SURFACE

 

u OHM / m

Mpa

scleroscope

g/cm ^3

 

 

A/cm sqr

SPEED

EGO

12

21

36

1.55

0.95

0.11

10

30

EGOR

12

21

36

1.55

0.97

0.09

10

50

EG260

12

17

37

1.55

0.84

0.17

10

40

EG6749N

21

23

67

1.65

0.83

0.11

10

40

EG12

23

18

63

1.6

0.9

0.1

10

40

EG6345

25

20

67

1.63

0.98

0.1

10

30

EG11

28

18

63

1.6

0.88

0.11

10

40

EG225

36

14

42

1.62

0.91

0.12

12

40

EG14

42

24

61

1.6

0.92

0.16

12

40

EG14D

45

36

67

1.63

1.1

0.1

12

40

EG16

45

19

57

1.6

1.05

0.1

12

50

EG105

48

22

65

1.62

1.1

0.1

12

50

EG224

48

17

60

1.6

1

0.1

12

50

EG236S

48

19

57

1.6

1.05

0.1

12

50

EG259

53

36

66

1.75

1.4

0.06

10

60

EG251

54

21

60

1.68

1.11

0.08

12

60

EG116

58

25

62

1.57

1.2

0.11

12

50

EG275A

58

30

65

1.65

1.1

0.13

12

40

EG283

62

13

45

1.47

1.45

0.07

12

60

Resin bonded materials

GRADE

RESISTIVITY

FLEXURAL

HARDNESS

DENSITY

CONTACT

FRICTION

CURRENT

MAX

 

 

STRENGTH

 

 

DROP

COEF.

DENSITY

SURFACE

 

u OHM / m

Mpa

scleroscope

g/cm ^3

 

 

A/cm sqr

SPEED

IM9101

102

50

39

1.85

1.55

0.05

8

30

IM3

117

29

24

1.78

1.4

0.1

6

30

IM26

120

46

44

1.76

1.65

0.04

7

30

IM23

140

36

38

1.72

1.64

0.04

9

30

IM8876

178

55

47

1.9

2

0.04

7

30

Copper graphite materials

GRADE

RESISTIVITY

FLEXURAL

HARDNESS

DENSITY

CONTACT

FRICTION

CURRENT

MAX

 

 

STRENGTH

 

 

DROP

COEF.

DENSITY

SURFACE

 

u OHM / m

Mpa

scleroscope

g/cm ^3

 

 

A/cm sqr

SPEED

SM9173

0.075

58

18

5.2

0.12

0.15

25

20

CM

0.08

41

6

6.1

0.12

0.11

23

20

SM0

0.1

58

24

5.25

 

 

 

 

CM3H

0.2

27

10

4.2

0.26

0.1

16

30

CM1S

0.32

68

9

5.5

0.12

0.11

23

30

CM5H

0.35

23

15

3.9

0.43

0.1

14

30

CM5B

0.9

33

20

3.5

0.5

0.09

14

30

SM3

2.05

26

29

2.5

0.45

0.15

15

20

CM9

3

29

25

2.8

0.58

0.11

11

35

Natural graphite materials

GRADE

RESISTIVITY

FLEXURAL

HARDNESS

DENSITY

CONTACT

FRICTION

CURRENT

MAX

 

 

STRENGTH

 

 

DROP

COEF.

DENSITY

SURFACE

 

u OHM / m

Mpa

scleroscope

g/cm ^3

 

 

A/cm sqr

SPEED

HM5

10.2

10

12

2

0.77

0.14

11

50

HM2

13

11

23

2

0.82

0.09

10

50

634

18

5.2

20

1.28

2.5

.29

10

81

HM6R

20

9

13

1

1.71

0.19

10

80

HM100

21

9

13

1

1.72

0.16

10

90

The values provided above are typical values only. We reserve the right to modify material specifications at our discretion

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Morgan Carbon
A Division of Morgan Crucible

sales@morgancarbon.com.au