Type

Nominal diameter

mm

Nominal area

mm2

Nominal tensile strength

≥

MPa

Min Stress at 0.2% non-proportional extension

≥

MPa

Elongation at Max load

≥

(L0=200mm)

Reverse bends

Relaxation

Bend times

≥

(time/180°)

Bend radius

mm

Initial load Nominal tensile strength 

1000h value

≤ 

WLR

WNR

WLR

WNR

Smooth indented helical rib

4.00

12.57

1470

1570

1670

1770

1860

1290

1380

1470

1560

1640

1250

1330

1410

1500

1580

3.5%

3

10

60%

70%

80%

1.0%

2.5%

4.5%

4.5%

8.0%

12.0%

4.80

18.10

5.00

19.63

4

15

6.00

28.27

1470

1570

1670

1770

1290

1380

1470

1560

1250

1330

1410

1500

6.25

30.68

20

7.00

38.48

8.00

50.26

1470

1570

1290

1380

1250

1330

9.00

63.62

25

10.00

78.54

1470

1290

1250

12.00

113.10

30