Item

Unit

Nominal Diameter mm

YB/T4090-2000

HPTS-UHP

300、350、400

450-500

350-400

450-500

550-600

Resistivity

electrode

μΩm

≤6.2

≤6.5

4.8-6.0

4.8-6.2

5.0-6.2

nipple

≤5.5

≤5.5

3.5-4.5

3.8-4.5

3.8-4.5

Bending Strength

electrode

Mpa

≥10.5

≥10.0

≥12.0

≥11.0

≥11.0

nipple

≥18.0

≥18.0

≥18.0

≥18.0

≥18.0

Elastic Modulus

electrode

Gpa

≤14.0

≤14.0

≤14.0

≤14.0

≤14.0

nipple）

≤18.0

≤18.0

≤18.0

≤18.0

≤18.0

Bulk Density

electrode

g/cm³

≥1.65

≥1.64

1.65-1.72

1.66-1.74

1.66-1.74

nipple

≥1.72

≥1.70

1.76-1.78

1.76-1.82

1.78-1.82

CTE(100-600) ℃

electrode

10^-6/⁰C

≤1.5

≤1.5

1.20-1.40

1.20-1.40

1.20-1.40

nipple

≤1.4

≤1.4

1.0-1.20

1.0-1.20

1.0-1.20

ASH

electrode

%

≤0.3

≤0.3

≤0.3

≤0.3

≤0.3

nipple

Nominal Diameter

Sectional

area

YB/T4090-2000

HPTS-UHP

Current Carrying Capacity

Current Density

Thick Furnace

Refiners Furnace

Current Carrying Capacity

Current Density

Current Carrying Capacity

Current Density

In

mm

cm²

A

A/cm²

A

A/cm²

A

A/cm²

14

350

973

20000-30000

20-30

23000-32000

24-33

26000-35000

27-36

16

400

1275

25000-40000

19-30

28000-41000

22-32

31000-44000

24-34

18

450

1622

32000-45000

19-27

34000-48500

21-30

36000-49500

22-31

20

500

2000

38000-55000

18-27

40000-58000

20-29

42000-60500

21-30

22

550

2427

46000-65000

19-27

49000-70000

20-29

24

600

2892

52000-75000

18-26

56000-81000

19-28