|
|
|
|
 |
|
|
Low-carbon cold-drawn steel wire for reinforcement of ferroconcrete structures GOST 6727-80
Wire diameter: 4,0, 5,0 mm.
Wire is drawn with double-sided die-rolled section.
Steel grades — low-carbon steels St 3 ps, St 3 kp with content of carbon no more than 0,22%.
|
 |
| Diameter of wire and the sizes limit deviations |
| Nominal diameter, mm |
Nominal size, mm |
The caliber limit deviation, mm |
Depth of dents, mm |
Depth of dents limit deviations, mm |
Nominal dents spacing, mm |
Dents spacing limit deviation, mm |
Bulge length, mm |
Bulge length limit deviation, mm |
|
a |
Δa |
h |
|
S |
|
b |
|
| 4,0 |
4,0 |
+0,04
-0,12 |
0,20 |
+0,5
-0,02 |
2,5 |
±0,2 |
0,8 |
±0,2 |
| 5,0 |
5,0 |
+0,05
-0,15 |
0,25 |
+0,5
-0,02 |
3,0 |
±0,2 |
1,0 |
±0,2 |
| Mechanical properties of wire |
| Nominal diameter, mm |
Breaking stress P, gN (KgF) |
Stress corresponding to the conditional yield point P0,2, gN (Kgf) |
Specific elongation, % |
Specific elongation, % |
| 4,0 |
71 (720) |
62 (630) |
2,5 |
4 |
| 5,0 |
106 (1085) |
97 (985) |
3,0 |
4 |
- Wire is manufactured in coils, consisting of one piece with weight no more than 1000 kg, without packing.
|
|
|
|
|
