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Low-carbon Steel Wire
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Technical Specifications on Low-carbon Steel Wire for
Reinforcement of Ferro-Concrete Structures
GOST 6727-80
1. Wire diameter and extreme deviations:
|
Wire diameter, mm
|
Impression depth, mm
|
Impression pitch, mm
|
Raised portion length, mm | ||||
|
Nomin.
|
Extreme deviations
|
Nomin.
|
Extreme deviations
|
Nomin.
|
Extreme deviations
|
Nomin.
|
Extreme deviations
|
|
3,0
4,0
5,0
|
+0,03
-0,09
+0,04
-0,12
+0,05
-0,15
|
0,15
0,20
0,25
|
+0,05
-0,02
|
2,0
2,5
3,0
|
+0,2
-0,2
|
0,6
0,8
1,0
|
+0,2
-0,2
|
2. Mechanical properties of the wire:
|
Wire nominal diameter, mm
|
Breaking strength, gN (kgf)
|
Force corresponding to conventional yield point, gN (kgf) |
Number of bends
|
Relative elongation, % |
|
Not less than
|
||||
|
3,0
4,0
5,0
|
39 (400)
71 (720)
106 (1085)
|
35 (355)
62 (630)
97 (985)
|
4
4
4
|
2,0
2,5
3,0
|
3. Wire is manufactured in bundles. A bundle comprises one section wire. Each bundle is fastened by rod in four points along the circumference of the bundle. Bundle weight varies in the range from 1000 to 1200 kg.
4. Wire can be transported by any carriers, in the covered cars securing protection from mechanical damage and ingress of moisture, and subject to due observance of freight regulations valid for the relevant transport facilities.
