PC (Pre-stressed Concrete) Stranded Wire for Reinforcement of Concrete Structures

We supply concrete reinforcing PC Wire Strands / wire ropes: Plain surface, Spiral ribs pc wire and Indented pc wire. Mainly for prestressed concrete structure reinforcement.
Application: PC Strand or pc wire is used in construction of large-span bridges on railway and highway, overhead crane beam, rock-soil anchoring Project, multi-storey industrial buildings, stadiums, coal mines.

Materials

Strand Wire compling with American Standards of 12.7 and 9.53 and British Standards of 12.5 and 9.3
Quality: Approved by Dubai Central Laboratory.

Wire Rope - 6 mm ( Steel Core & Galvanised.)

High carbon steel wire strand.

Strand size: 6.2mm-17.80mm.

Tensile strength: Grade from min.1470 N/mm2 to min.1960N/mm2

Zinc coating: ASTM A475 Class A

PC Wire Strand Technical Standard: ASTM A416, EN10138, BS 5896, AS 4671, ISO 6934, JISG 3536, GB/T5223, ASTMA421.

Packing: 2500-3500kg/coil or as per customer's requirement

Structure: 1x19, 1x7, 1x3 & 1x2.

15.24 mm astm a416 grade 270 galvanized prestressed wire strand, for construction of bridges, subway, railway sleepers, poles, dams, nuclear power plants, high-rise buildings.

1x7 wire low relaxation, Dia 12.7 mm x 7 ply super grade LRPC Strand confirming to IS14268 - 1995

Product Variety

Smooth Pc Wire (Hard Drawn, Smooth Steel) Specification

Nominal diameter
(mm)
Tolerance
(mm) Tensile strength
No less 
than
(MPa)
Off-proportion extension stress no less than 
(kN) Elongation no less than L0=200mm
(%) Bending test Relaxation value 1000h no more than Times/ 180° 
No less than
radius
(mm)
Ⅰ Ⅱ 5.00 ±0.05 1470
1570
1670
1770 1250
1330
1410
1500 
4 4 15 8 2.5

6.00

±0.05 1570
1670 1330
1420
4 4 15 8 2.5 7.00 ±0.05 1470
1570
1250
1330
4 4 20 8 2.5
Indented Pc Wire Specification
Nominal diameter
(mm)
Tensile strength
No less 
Than
(MPa)
Off-proportion extension stress no less than 
(kN)
Elongation no less than L0=200mm
(%) Bending test Relaxation Value 1000h no more than
Times/ 180° 
No less than 
radius 
(mm)
Ⅰ Ⅱ ≤5.00
1470 
1570 1250 
1330
3.5 3 15 8 2.5 >5.00
1470 
1570 1250 
1340
20
Specification of Spiral Ribs Pc Wire(Sides Scratch Wire) (3-6 protruding ribs on the surface)
Nominal Dia.
(mm) Spiral ribs number 
（Item）
Spiral ribs nominal size
Retortion time
（>=） Dia of base circle 
（D1）
(mm) Dia of out profile
（D）
(mm) Single rib size
Spiral rib length perimeter 
（C）
mm/360° Width
（a）
(mm) 
Height
（b）
(mm) 
4.00
4 3.85±0.05
4.25±0.05
0.90-1.30
0.20±0.05
24.00-30.00 4.80
4 4.60±0.05
5.10±0.05
1.30-1.70
0.25±0.05
28.00-36.00 5.00
4 4.80±0.05
5.30±0.05
1.30-1.70
0.25±0.05
28.00-36.00 6.00 4 5.80±0.05
6.30±0.05
1.60-2.00
0.35±0.05
30.00-38.00 7.00 4 6.70±0.05
7.46±0.10
1.80-2.20
0.40±0.05
35.00-45.00

8.00

4 7.70±0.05
8.45±0.10
2.00-2.40
0.45±0.05
40.00-50.00

(Sides Scratch Wire) (3-6 protruding ribs on the surface)

Special types: We also provide high quality zinc-5% aluminum-mischmetal alloy-coated steel wire strand, according to ASTM A855/A855M.Low Relaxation PC Steel Strand without galvanization also available.

 

Structures and Mechanical Properties

1×2 Structure PC Strand

Strand Structure Nominal Diameter Strand Diameter Tolerance
/mm Strand Reference sectional area
Sn/mm2 Strand Reference quality per meter
/(g/m) Strand Diameter
Dn/mm Wire Diameter
d/mm 1×2 5.00 2.50 +0.15
-0.05 9.82 77.1 5.80 2.90 13.2 104 8.00 4.00 +0.25
-0.10 25.1 197 10.00 5.00 39.3 309 12.00 6.00 56.5 444

1×3 Structure PC Strand

Strand Structure

Nominal Diameter

Strand Measurement
A/mm

Measurement A Tolerance
/mm

Strand Reference Sectional area
Sn/mm2

Strand Reference quality per meter
/(g/m)

Strand Diameter
Dn/mm

Wire Diameter
d/mm

1×3

6.20

2.90

5.41

+0.15
-0.05

19.8

155

6.50

3.00

5.60

21.2

166

8.60

4.00

7.46

+0.20
-0.10

37.7

296

8.74

4.05

7.56

38.6

303

10.80 5.00 9.33 58.9 462

1×3 I

 12.90

6.00

11.20

84.8

666

8.74

4.05

7.56

38.6

303

1×7 Structure PC Strand

Strand Structure Nominal Diameter
Dn/mm Diameter Tolerance
/mm Strand reference sectional area
Sn/mm2 Strand reference quality per meter/(g/m) Center wire diameter (do) enlarged range/% not less than 1×7 9.50 +0.30
-0.15 54.8 430 2.5 11.10 74.2 582 12.70 +0.40
-0.20 98.7 775 15.20 140 1101 15.70 150 1178 17.80 191 1500 （1×7）C 12.70 +0.40
-0.20 112 890 15.20 165 1295 18.00 223 1750

Mechanical Properties of 1x2 Structural Steel Strands

Strand Structure Strand nominal diameter
Dn/mm Abstract tensile strength Rm/Mpa not less than The largest force of the whole strand Fm/kN not less than Rated non-proportional extension force Total extension ratio at the largest force (Lo≥400)Agt/% not less than Stress Relaxation Initial load equivalent to the percentage of the nominal largest force/% After 1000h stress relaxation rate r/% not less than 1×2 5.00 1570 15.4
13.9 3.5 60

70

80

1.0

2.5

4.5

1720 16.9 15.2 1860 18.3 16.5 1960 19.2 17.3 5.80 1570 20.7 18.6 1720 22.7 20.4 1860 24.6 22.1 1960 25.9 23.3 8.00 1470 36.9 33.2 1570 39.4 35.5 1720 43.2 38.9 1860 46.7 42.0 1960 49.2 44.3 10.0 1470 57.8 52.0 1570 61.7 55.5 1720 67.6 60.8 1860 73.1 65.8 1960 77.0 69.3 12.00 1470 83.1 74.8 1570 88.7 79.8 1720 97.2 87.5 1860 105 94.5 Note: Rated non-proportional extension force Fp0.2 is not less than 90% of the largest force of the whole strand

Mechanical Properties of 1×3 Structural Steel Strands

Strand Structure Strand nominal diameter
Dn/mm Abstract tensile strength Rm/Mpa not less than The largest force of the whole strand Fm/kN not less than Rated non-proportional extension force Total extension ratio at the largest force (Lo≥400)Agt/% not less than Stress Relaxation Initial load equivalent to the percentage of the nominal largest force/% After 1000h stress relaxation rate r/% not less than 1×3 6.20 1570 31.1 28.0 3.5 60 70 80
1.0 2.5 4.5 1720 34.1 30.7 1860 36.8 33.1 1960 38.8 34.9 6.50 1570 33.3 30.0 1720 36.5 32.9 1860 39.4 35.5 1960 41.6 37.4 8.60 1470 55.4 49.9 1570 59.2 53.3 1720 64.8 58.3 1860 70.1 63.1 1960 73.9 66.5 8.74 1570 60.6 54.5 1670 64.5 58.1 1860 71.8 64.6 10.80 1470 86.6 77.9 1570 92.5 83.3 1720 101 90.9 1860 110 99.0 1960 115 104 12.90 1470 125 113 1570 133 120 1720 146 131 1860 158 142 1960 166 149 8.74 1570 60.6 54.5 1670 64.5 58.1 1860 71.8 64.6 Note: Rated non-proportional extension force Fp0.2 is not less than 90% of the largest force of the whole strand

Mechanical Properties of 1×7 Structural Steel Strands

Strand Structure Strand nominal diameter
Dn/mm Abstract tensile strength Rm/Mpa not less than The largest force of the whole strand Fm/kN not less than Rated non-proportional extension force Total extension ratio at the largest force (Lo≥400)Agt/% not less than

Stress Relaxation

Initial load equivalent to the percentage of the nominal largest force/% After 1000h stress relaxation rate r/% not less than 1×7 9.50

1720

94.3

84.9

3.5

60

 

70

 

80

1.0

 

2.5

 

4.5

1860

102

91.8

1960

107

96.3

11.10 1720

128

115

1860

138

124

1960

145

131

12.70

1720

170

153

1860

184

166

1960

193

174

15.20

1470

206

185

1570

220

198

1670

234

211

1720

241

217

1860

260

234

1960

274

247

15.70

1770

266

239

1860

279

251

17.80

1720

327

294

1860

353

318

(1×7)C

12.70

1860

208

187

15.20

1820

300

270

18.00

1720

384

346

Note: Rated non-proportional extension force Fp0.2 is not less than 90% of the largest force of the whole strand