Structure

Nominal diameter (mm)

Tolerance (mm)

Tensile strength not less than

Yield strength not less than

Elongation at max load not less than

The relaxation at 1000h not less than

1*7

9.50

+0.30

-0.15

1720

1550

3.5

2.5

11.10

1860

1670

12.70

+0.40

-0.20

1960

1760

15.20

1470-1960

1320-1760

17.80

1860

1550-1670