Qingdao Duratight Carbon Co., Ltd.

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graphite electrode

Product Details:

Place of Origin Shandong, China (Mainland)
Brand Name Duratight

Payment & Shipping Terms:

Minimum Order Quantity: 20 Ton
Packaging Details: Wooden case, wooden pallets, non-wooden packing or as your request.
Delivery Time: 20-30 days normally.
Payment Terms: L/C,D/P,T/T,Western Union
Supply Ability: 500 Ton per Month

Detailed Product Description


Product description

Duratight high power graphite electrode is manufactured strictly as request of the industrial standard YB/T4089-2000, and many of its physical and chemical index are better than the regular value of the standard YB/T4089-2000.

Technical index of high power graphite electrode

Item

Unit

Nominal Diameter (mm)

Industry Standard YB/T4089-2000

Typical Values

200~400

450~550

300~400

450~550

Electric Resistivity

Electrode

μ Ωm

≤ 7

≤ 7.5

5.0~6.6

5.4~6.8

Nipple

≤ 6.5

≤ 6.5

4.0~5.0

4.0~5.0

Bending

Strength

Electrode

M pa

≥ 10.5

≥ 9.8

≥11.0

≥11.0

Nipple

≥ 14.0

≥ 14.0

≥16.0

≥16.0

Elastic

Modulus

Electrode

G pa

≤ 12.0

≤ 12.0

≤11.0

≤11.0

Nipple

≤ 16.0

≤ 16.0

≤15.0

≤15.0

Bulk

Density

Electrode

g/cm3

≥ 1.60

≥ 1.60

1.63~1.70

1.63~1.70

Nipple

≥ 1.70

≥ 1.70

1.73~1.80

1.73~1.80

Ash

Electrode

%

≤0.3

≤ 0.3

≤0.3

≤0.3

Nipple

CTE

(100~600)

Electrode

10-6/

≤2.4

≤2.4

1.8~2.2

1.8~2.2

Nipple

≤ 2.2

≤2.2

1.5~1.8

1.5~1.8

Recommended Current Carrying Capacity

Nominal Diameter

Industry Standard YB/T4089-2000

Typical Values

Current Carrying Capacity

Current  Density

Electrical Arc Furnace

Ladle Refining Furnace

Current Carrying Capacity

Current Density

Current carrying capacity

Current Density

Inch

MM

A

A/CM2

A

A/CM2

A

A/CM2

12

300

13000~17400

17~24

13000~17500

18~25

15000~21000

21~29

14

350

17400~24000

17~24

17500~24500

18~25

20000~28000

21~29

16

400

21000~31000

16~24

21500~32000

17~25

24000~35000

19~28

18

450

25000~40000

15~24

26000~40500

16~25

29000~45000

18~28

20

500

30000~48000

15~24

32000~50000

16~25

34000~54000

17~27

22

550

35000~55000

14~22

37000~57000

15~23

40000~62000

16~25

graphite  electrode graphite electrode

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Company Info

Qingdao Duratight Carbon Co., Ltd.
[China (Mainland)]
[Verified Member]

City: Qingdao
Province/State: Shandong
Country/Region : China (Mainland)

Business Type:Manufacturer, Trading Company, Other

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