EDM Graphite Blocks...

EDM Graphite Blocks

EDM Graphite blocks

 

Index of EDM Graphite Block:

Size

R8500

R8510

R8650

R8710

Bulk Density g/cm3

1.77

1.83

1.84

1.88

Apparent Porosity %

13

10

10

10

Particle Size

10

10

7

3

Aperture μm

1.5

1.5

0.8

0.6

Aeration hole x10cm2/scc

4

4

3

1

Rockweel Hardness

95HR5/100

95HR5/100

95HR5/100

110HR5/100

Flexural Strength N/mm2

60

60

65

85

Young modulus KN/mm2

11.5

11.5

12.5

14

Electric Resistivity μΩm

13

13

14

13

thermal conductivity w.m.k

100

100

90

100

thermal expansion Coefficient (20-200℃)

4.0

4.0

3.9

4.7

Ash max .%

0.2

0.2

0.2

0.2