RP HD SHP HP UHP good price graphite electrode for arc furnaces
Grade: RP, RPI, HP, SHP, UHP
Diameter: 50~ 600 mm (2 ~ 24 inch)
Length: 1000-2700mm
Nipple: 3TPI, 4TPI, 4TPIL
Material: Made of high quality petroleum coke, needle coke and coal tar pitch, appreciated by many foreign clients.
Specification
|
Physical Properties
|
Unit
|
RP Grade
(Dia.50-600mm)
|
HP Grade
(Dia.200-600mm)
|
UHP Grade
(Dia.200-600mm)
|
|
Electrical Resistance≤
|
Electrode
|
μΩ-m
|
8.0
|
7.0
|
6.0
|
|
Nipple
|
6.5
|
5.5
|
5.0
|
|
Bending Strength≥
|
Electrode
|
Mpa
|
11.0
|
12.0
|
12.0
|
|
Nipple
|
14.0
|
14.0
|
16.0
|
|
Elastic Modulus≤
|
Electrode
|
Gpa
|
9.0
|
12.0
|
12.0
|
|
Nipple
|
12.0
|
14.0
|
14.0
|
|
Bulk Density≥
|
Electrode
|
g/cm3
|
1.58
|
1.66
|
1.68
|
|
Nipple
|
1.70
|
1.72
|
1.73
|
|
C.T.E≤
|
Electrode
|
×10-6/°C
|
2.7
|
2.5
|
1.4
|
|
Nipple
|
2.5
|
2.2
|
1.3
|
|
Ash≤
|
Electrode
|
%
|
0.30
|
0.30
|
0.20
|
|
Nipple
|
