RP, HP and UHP Type Graphite Electrode for Steel Mill

Ref Price:
$10.00 - 100.00 / m.t.
Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
10 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

                            TECHNICAL PROPERTIES OF GRAPHITE ELECTRODE

1.Physical and chemical index

Item

Unit

RP

HP

UHP

250-400

450-800

300-400

450-700

300-400

450-700

Electric

Resistivity

Electrode

μΩ.m

7.5-8.6

7.5-8.8

5.5-6.8

5.5-7.0

4.6-6.0

4.8-6.2

Nipple

4.5-5.5

4.0-5.0

3.5-4.5

Bending

Strength

Electrode

MPa

≥8.0

≥11.0

≥11.0

Nipple

≥15.0

≥16.0

≥18.0

Elastic

Modulus

Electrode

GPa

≤9.0

≤11.0

≤13.0

Nipple

≤13.0

≤14.0

≤15.0

Bulk

Density

Electrode

g/cm3

1.55-1.65

1.63-1.73

1.65-1.75

Nipple

1.70-1.75

1.73-1.80

1.75-1.82

Ash

Electrode

%

≤0.3

Nipple

CTE

(100-600)℃

Electrode

10-6/℃

2.00-2.50

1.80-2.00

1.30-1.50

Nipple

1.50-1.80

1.50-1.80

1.20-1.40

 

2.Recommended current carrying capacity

Nominal Diameter

(mm)

RP

HP

UHP

Current

Carrying

Capacity

Current

Density

Current

Carrying

Capacity

Current

Density

Current

Carrying

Capacity

Current

Density

in

mm

A

A/cm2

A

A/cm2

A

A/cm2

12

300

1000-13000

14-18

13000-174000

17-24

15000-22000

20-30

14

350

13500-18000

14-18

17400-24000

17-24

20000-30000

20-30

16

400

18000-23500

14-18

21000-31000

16-24

25000-40000

19-30

18

450

22000-27000

13-17

25000-40000

15-24

32000-45000

19-27

20

500

25000-32000

13-16

30000-48000

15-24

38000-55000

18-27

22

550

32000-40000

13-16

35000-55000

14-22

42000-64000

17-26

24

600

35000-41000

13-15

41000-61000

14-21

50000-73000

17-25

28

700

39000-48000

10-12

55000-82000

14-21

67000-99000

17-25

32

800

43000-54000

8-10

/

/

/

/

picutre

FAQ

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


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