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    • 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.

    Structure of 1x7 and 1x3 Strand

    Galvanized High Tensile Strength PC Wire

    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.

    Low Relaxation Spiral PC Wire

    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

    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