Technical Specification

Item

Graphite Electrode

Remark

Grade

RP

Diameter

3",4",5",6",8",10",12",14",16",18",20",24"

75mm-600mm

Length

1000/1500/1600/1800/2000/2100 mm

Tpi per inch

3 tpi , 4 tpi

Specific Resistance

(not greater than) 

9 uOm

8.5 uOm-Nipple

Bulk Density

(not greater than)

1.60 g/cm3

1.65-Nipple

Bending Strength

(not less than)

9,8Mpa

13Mpa-Nipple

Elastic Modulus

(not greater than)

9.3Gpa

14Gpa -Nipple

Ash(not greater than)

0.3%

CTE(100-600)

(not greater than)

2.9x10-6/Co

CurrentCarryingCapacity

1000-32000A

Chemical Composition

C:98%min, S:0.01%, P:0.001%, Al:0.01-0.05%

Standard

Chinese National Standard  YB/T-4088-2000