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Cable De Acero Galvanizado 1× 19 Ehs 1/2inch, Nomas ASTM a 475

Product Description

Galvanized Steel Strands for messenger wire

  1. Application: In order for the power cable being transmitted with overhead line, messenger wire will minimize any tension over the power cable by hanging over the line between the utility poles.
  1. Specification

Grade

1

2(a)

2(b)

3(a)

3(b)

Cross Section View

http://www.j-witex.co.jp/en/products/wire/img/electric_img02.gif

http://www.j-witex.co.jp/en/products/wire/img/electric_img03.gif

http://www.j-witex.co.jp/en/products/wire/img/electric_img04.gif

Construction

3 wire strands

7 wire strands

19 wire strands

Construction Symbole

1x3

1x7(a)

1x7(b)

1x19(a)

2x19(b)

Classification of steel strands based on standard tensile strength, from 1 through 3.

Grade

1

2

3

Tensile Strength of Wire N/mm2

1230

880

690

 

 

 

 

Classification of steel strands based on coating amount of zinc.

Grade

Extra A

A

B

Amount of Zinc-Coating

Extra thick coating

Thick coating

Thin coating

Nominal Diameter of Wire and Diameter Tolerance of wire composing strands

Nominal
Diameter
(mm)

Diameter
Tolerance
(mm)

min. Breaking Loads(kN)

Elongation(%)

Torsion

1

2

3

1

2

3

1

2

1.00

±0.05

0.961

0.696

0.539

2.0

2.0

2.0

18

14

1.20

±0.05

1.38

1.00

0.775

2.0

2.0

2.0

18

14

1.40

±0.05

1.88

1.36

1.06

2.0

2.0

2.0

18

14

1.60

±0.05

2.46

1.78

1.38

2.0

2.0

2.0

18

14

1.80

±0.06

3.12

2.25

1.75

3.0

3.0

3.0

16

12

2.00

±0.06

3.85

2.78

2.16

3.0

4.0

4.0

16

12

2.30

±0.06

5.09

3.67

2.85

3.0

4.0

4.0

16

12

2.6

±0.08

6.51

4.69

3.65

3.0

4.0

4.0

16

12

2.90

±0.08

8.10

5.83

4.53

3.0

4.0

4.0

14

10

3.20

±0.08

9.90

7.10

5.52

4.0

5.0

5.0

14

10

3.50

±0.10

11.8

8.49

6.60

4.0

5.0

5.0

14

10

3.80

±0.10

13.9

10.0

7.79

4.0

5.0

5.0

14

10

4.00

±0.10

15.4

11.1

8.63

4.0

5.0

5.0

14

10

4.30

±0.10

17.8

12.8

10.0

4.0

5.0

5.0

12

10

4.50

±0.10

19.5

14.0

10.9

4.0

5.0

5.0

12

10

5.00

±0.10

24.0

17.4

13.4

4.0

5.0

5.0

12

10

 

 

Pitch of outer lay

Grade

Pitch of outer lay

1

Nominal Diameter of wire 30 ± 5 times

2

Nominal Diameter of wire 40 ± 5 times

3

Nominal Diameter of wire 70 ± 10 times

Breaking Load for Steel Strands

Grade

Number of 
Wire/Nominal
Diameter
(Wire/mm)

Calculated
Diameter
of Strands(mm)

Calculated Cross
Section Area
of Strands 
(mm²)

min. Breaking Loads
of Steel Strands (kN)

Nominal Mass
(kg/km)

1

2

3

 

 

 

1

3/2.90

6.2

19.8

22.4

16.1

12.6

156

3/3.20

6.9

24.1

27.4

19.6

15.2

190

3/3.50

7.5

28.9

32.5

23.4

18.2

228

3/4.00

8.6

37.7

42.5

30.6

23.8

297

3/4.30

9.3

43.6

49.2

35.5

27.7

344

3/4.50

9.7

47.7

53.8

38.7

30.0

376

 

 

 

 

 

2

7/1.00

3.0

5.50

6.19

4.48

3.47

43.5

7/1.20

3.6

7.92

8.90

6.44

4.99

62.7

7/1.40

4.2

10.8

12.2

8.78

6.83

85.3

7/1.60

4.8

14.1

15.9

11.5

8.90

111

7/1.80

5.4

17.8

20.1

14.4

11.3

141

7/2.00

6.0

22.0

24.8

17.8

13.9

174

7/2.30

6.9

29.1

32.8

23.6

18.3

230

7/2.60

7.8

37.2

42.0

30.2

23.5

294

7/2.90

8.7

46.2

52.2

37.6

29.2

366

7/3.20

9.6

56.3

63.7

45.7

35.6

446

7/3.50

10.5

67.3

75.8

54.7

42.5

533

7/3.80

11.4

79.3

89.6

64.4

50.1

628

7/4.00

12.0

88.0

99.1

71.4

55.6

696

7/4.30

12.9

102

115

82.8

64.4

805

7/4.50

13.5

111

126

90.3

70.1

881

7/5.00

15.0

137

155

112

86.5

1090

 

19/1.60

8.0

38.2

42.1

30.4

23.6

304

 

 

 

 

3

19/1.80

9.0

48.3

53.3

38.4

29.8

384

19/2.00

10.0

59.7

65.9

47.5

36.9

474

19/1.60

8.0

38.2

42.1

30.4

23.6

304

19/1.80

9.0

48.3

53.3

38.4

29.8

384

19/2.00

10.0

59.7

65.9

47.5

36.9

474

19/2.30

11.5

78.9

87.0

62.8

48.8

627

19/2.60

13.0

102

112

80.1

62.4

802

19/2.90

14.5

125

138

100

77.5

997

19/3.20

16.0

153

170

122

94.4

1210

19/3.50

17.5

183

201

145

113

1450

19/4.00

20.0

239

263

189

147

1900

Cable De Acero Galvanizado 1× 19 Ehs 1/2inch, Nomas ASTM a 475

 

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