Dia. (dn/mm) |
Tolerance (mm) |
Tensile Strength (op0.2/Mpa) Not less than |
Yield Strength (op0.2/Mpa) Not less than |
Elongation at max load (Lo=200ogt/%) Not less than |
Bending Times Not less than |
Bending Radius R/mm |
Relaxation Properties |
The relaxation at 1000h (Initial load to 70% of nominal tensile strength) (r/%) Not more than |
|||||||
4.8 |
±0.05 |
1470 1570 1670 1770 1860 |
1290 1380 1470 1560 1640 |
3.5 |
4 |
15 |
2.0 |
5.0 |
|||||||
6.0 |
±0.05 |
1470 1570 1670 1770 |
1290 1380 1470 1560 |
4 |
15 |
||
6.25 |
|||||||
7.0 |
20 |
||||||
8.0 |
±0.06 |
1470 1570 |
1290 1380 |
4 |
20 |
||
9.0 |
25 |
Dia. (dn/mm) |
No.of Helix Rib |
Lining Dia.And Tolerance(mm) |
Outline Dia. And Tolerance (mm) |
Width of Single Rib(α/mm) |
Layer Length (c/mm) |
Nominal cross section Sn/mm2 |
Re. Mass per meter (g/m) |
4.00 |
4 |
3.85±0.05 |
4.25±0.05 |
0.92-1.30 |
24-30 |
12.57 |
98.6 |
4.80 |
4 |
44.60±0.05 |
5.10±0.05 |
1.30-1.70 |
28-36 |
18.09 |
142 |
5.00 |
4 |
5.30±0.05 |
5.30±0.05 |
1.30-1.70 |
28-36 |
19.63 |
154 |
6.00 |
4 |
6.30±0.05 |
6.30±0.05 |
1.60-2.00 |
30-38 |
28.27 |
222 |
6.25 |
4 |
6.70±0.05 |
6.70±0.05 |
1.60-2.00 |
30-40 |
30.68 |
241 |
7.00 |
4 |
7.46±0.05 |
7.46±0.10 |
1.80-2.20 |
35-45 |
38.48 |
302 |
8.00 |
4 |
8.45±0.05 |
8.45±0.10 |
2.0-2.40 |
40-50 |
50.26 |
394 |
9.00 |
4 |
9.45±0.05 |
9.45±0.10 |
2.10-2.70 |
42-52 |
63.62 |
499 |