What is the impregnated grade Graphite Electrode?

What is the IP grade Graphite Electrode? Who is the IP grade graphite electrode impregnated graphite electrode factory

What is the Imprenated grade Graphite Electrode? it is a special specification for steelmaking, they have high density than common.

 
Product Name: Impregnated Graphite Electrode (IP Grade)
Brand Name: HAILI Carbon
Type: Graphite Electrode
Nipple: 3TPI/4TPI
Raw Material: Needle Petroleum Coke
Application: EAF or LF of Steel Making or Smelting Steel
Length: 1800~2400mm

Physical Characteristics:

Resistance (μΩ.m): 5.5 – 7
Apparent Density (g/cm³ ): 1.60 - 1.75 g/cm3
Thermal Expansion: 1.5 ~ 2.5 X10-6 / (100-600℃)
Flexural Strength (Mpa): 8-12 Mpa
Elastic Modulus(GPa): .8.50~15.50 Current
Carrying Capacity: 10-16KA

Impregnated Graphite Electrodes-Physical and Chemical Index

Description

Type

Unit

Nominal Diameter (mm)

Ø75-130

Ø150-200

Ø250-350

Ø400 - 500

Ø550 – 600

Grade

Grade

Grade

Grade

Electrode for

Mine Heat Furnace

Excellent

First

Excellent

First

Excellent

First

Excellent

First

A

B

A

B

A

B

A

B

Mineral melting

Electrical Resistance(≤)

Electrode

μΩ.m

6.5

7.0

7.0

7.5

7.0

7.5

7.0

7.5

7.5

Nipple

6.0

6.0

5.8

5.5

5.5

Tensile Strength  (≥)  

Electrode

Mpa

12.0

11.0

10.0

10.0

10.0

Nipple

14.0

14.0

16.0

16.0

16.0

Young’s Module  (≤)

Electrode

Gpa

12.0

12.0

12.0

14.0

14.0

Nipple

16.0

16.0

16.0

18.0

18.0

Bulk Density    (≥)

Electrode

g/cm3

1.64

1.64

1.62

1.62

1.62

Nipple

1.70

1.70

1.70

1.70

1.70

CTE         (≤)

Electrode

X 10-6/℃

2.2

2.2

2.2

2.2

2.2

Nipple

2.2

2.2

2.2

1.6

1.6

Ash         (≥)

-

%

0.3

0.3

0.3

0.3

0.3