Physicochemical index of general power graphite electrode

project

company

electrode diameter300-600mm

standard

actual measurement

electrode

joint

electrode

joint

resistance

μΩm

 9.0-10.5

 8.5

8.0-9.0

6.5

flexural strength

Mpa

 6.4-7.8

 13

 9.0-10

 15

elastic die

Gpa

 9.3

 14

 9

 13.7

ash content

%

 0.3

 0.3

 0.3

 0.3

bulk density

 g/cm3

 1.52

 1.68

 1.56-1.62

 1.7

coefflcient of thermal expansion(100~600°C)

 ×10‾

 2.9

 2.8

 2.4

 2.2