The specifications and technical parameters
|
Nominal Dia(d/mm)
|
Tolerance
(mm)
|
Tensile Strength
Σb/Mpa
Not less than
|
Yield Strength
(
|
Elongation at mas load
|
Bending Times Not less than
|
Bending Radius
R/mm
|
The relaxation at 1000(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
|
0.05
|
1470
1570
1670
1770
1860
|
1290
1380
1470
1560
1640
|
3.5
|
4
|
15
|
2.0
|
|
6.0
|
0.05
|
1470
1570
1670
1770
|
1290
1380
1470
1560
|
3.5
|
4
|
15
|
2.0
|
|
6.25
|
0.05
|
1470
1570
1670\
1770
|
1290
1380
1470
1560
|
3.5
|
4
|
15
|
2.0
|
|
7.0
|
0.05
|
1470
1570
1670
1770
|
1290
1380
1470
1560
|
3.5
|
4
|
20
|
2.0
|
|
8.0
|
0.06
|
1470
1570
|
1290
1380
|
3.5
|
4
|
20
|
2.0
|
|
9.0
|
0.06
|
1470
1570
|
1290
1380
|
3.5
|
4
|
25
|
2.0
|