RP HP UHP Graphite Electrode

Norminal Diameter

Actual Diameter(D)

Norminal Length

In

mm

Max

Min

Rough spot(B)

8''

**0

**5

**1

**7

***0/***0

9''

**5

**0

**5

**2

***0/***0

*0''

**0

**6

**1

**9

***0/***0

*2''

**0

**7

**2

**9

***0/***0/***0/***0

*4''

**0

**7

**2

**9

***0/***0/***0/***0/***0

*6''

**0

**9

**3

**0

***0/***0/***0/***0/***0/***0

*8''

**0

**0

**4

**1

***0/***0/***0/***0/***0/***0

*0''

**0

**1

**5

**2

***0/***0/***0/***0/***0

*2''

**0

**2

**6

**3

***0/***0/***0/***0

*4''

**0

**3

**7

**4

***0/***0/***0/***0

*6''

**0

**3

**7

**4

***0/***0/***0

*8''

**0

**4

**8

**5

***0/***0/***0

Item

Unit

Norminal Diameter

UHP

HP

RP

≤Φ**0

≥Φ**0

≤Φ**0

≥Φ**0

≤Φ**0

≥Φ**0

Resistance

E

μΩ·m

≤5.5

≤6.5

≤8.5

N

≤4.5

≤5.5

≤6.5

Bending Strength

E

MPa

≥*1.0

≥*0.5

≥9.8

≥8.5

≥7.0

N

≥*0.0

≥*6.0

≥*5.0

Elastic Modulus

E

GPa

≤*4.0

≤*2.0

≤9.3

N

≤*8.0

≤*6.0

≤*4.0

Bulk Density

E

g/cm3

≥1.*6

≥1.*7

≥1.*2

1.*0

≥1.*3

≥1.*2

N

≥1.*5

≥1.*3

≥1.*9

CTE.

E

***6/°C

≤1.5

≤2.4

≤2.9

N

≤1.4

≤2.2

≤2.8

Ash

%

≤0.3

≤0.3

≤0.5