CARBON STEEL WIRE FOR THE REINFORCEMENT OF THE PRESTRESSED CONCRETE CONSTRUCTIONS
  • Standard: GOST 7348-81,
    TU U 27.3-136-004-2003
  • Diameter: 3,0 mm and 5,0 mm
  • Application: for the reinforcement of concrete constructions.
Instructions
Recommendations
Packaging
Calculator
Contacts

GOST 7348 – 81

GOST 7348–81

Acc to the type of surface:

  • round – B;
  • periodic profile – Вр

Acc to the type of production:

  • with tempering

TU U 27.3-136-004-2003

Acc to the type of surface:

  • with bilateral periodic profile

Acc to the type of production:

  • with tempering
MECHANICAL PROPERTIES OF WIRE according to GOST 7348-81:
Nominal diameter,

mm

Strength class, N/mm2Nominal tensile strength,

N/mm2

Breaking force, N (kgf)Stress Р0,2 ,

N (kgf

Elongation after rupture,

%

Number of kinks with a diameter of rollers 30 mm,
roundPeriodic profile
Not less
3,01500178012600

(1285)

10600 (1080)498
5,01400167032800 (3340)27500 (2800)453
MECHANICAL PROPERTIES OF WIRE according to TU U 27.3-136-004-2003
Nominal diameter,

mm

Strength class, N/mm2Nominal tensile strength,

N/mm2

Breaking force, N (kgf)Stress Р0,2 ,

Н (кгс)

Elongation after rupture,

%

Number of kinks with a diameter of rollers 30 mm,
Not less
3,01400170012000 (1225)9900 (1010)4,59

RECOMMENDATIONS

Before use the wire must be stored in dry, ventilated rooms with low humidity and without sudden changes in temperature to prevent rusting due to moisture condensation.

Before unwinding the wire in the coils, you must first release the coil from the bindings. This must be done carefully, especially when removing the end of the knitting wire threaded through a coil to prevent pulling out and entangling the turns of wire.

Then release the upper end of the wire threaded through the upper turns around the entire circumference of the coil. Before installing and threading the wire into the machine, make sure that the wire is not interwoven with adjacent turns. To do this, it is necessary to lift the end and several turns of wire and then put one turn back into the coil, making sure that there is no “overlapping” of the turns. This will prevent entanglement and wire breakage during the unwinding process.

Before unwinding coils of Z-2 or coils of another type, it is necessary to assemble the coils into a special detachable reel or other unwinding device, tightly fix the cheeks of the coil, ensuring maximum pressure against the wire to prevent “tightening” of the wire between the coils and the cheek of the unwinding device, which can lead to a break wire during unwinding and only after that release the coil from packing metal tapes. After that, tighten the coil or other device again for maximum clamping of the wire coil. Find and free the end of the wire, making sure that there is no “overlap” of the wire through adjacent turns. This will eliminate wire breaks during unwinding.

Coil

Each coil is tied with a heat-treated wire of Ø2.5 mm in at least four places evenly spaced around the coil. The wire is not lubricated or packaged.

  • Type of winding:Coil
  • Dimensions, mm, d*D*h:Inner
    diameter ≥1200
  • Weight kg:≥ 100
  • Diameter range, mm:3,0 - 5,0

Calculator

Choose parameters for calculation: