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Nominal Dia.      (d  /mm)

Tolerance (mm)

Tensile strength   Ã  /MPa Not less  than

Yield Strength    (Ã      /MPa) Not less  than

Elongation at max load (Lo=200mm)    

    ´ /%                       Not less than

Bending Times    Not less than

Bending Radius R/mm

Relaxation Propertied

The relaxation at 1000 h (Initial load to 70% of nominal tensile strength) (r/%)    Not less than

4.8

±0.05

1470          1570          1670          1770          1860

1290          1380          1470          1560     1640

4

15

2.0

5.0

6.0

±0.05

1470          1570          1670          1770

1290          1380          1470          1560

3.5

4

15

6.25

7.0

20

8.0

       ±0.06

1470          1570

1290          1380

           4

20

9.0

25

Nominal Dia.           (d  /mm)

No. of Helix rib

Lining Dia. and Tolerance   (mm)

Outline Dia. and Tolerance      (mm)

Width of Single rib (±/mm)

Layer length (c/mm)

Nominal cross section S  /mm²

Re. mass per meter (g/m)

4.00

4

3.85±0.05

4.25±0.05

0.90~1.30

24~30

12.57

98.6

4.80

4.60±0.05

5.10±0.05

 1.30~1.70

28~36

18.09

142

5.00

4.80±0.05

5.30±0.05

6.00

5.80±0.05

6.30±0.05

 1.60~2.00

30~38

28.27

222

6.25

6.0±0.05

6.70±0.05

30~40

30.68

241

7.00

6.73±0.05

7.46±0.10

1.80~2.20

35~45

38.48

302