Pre-stressed concrete wire (PC wire) is a high-grade, low-unwinding steel wire that is essentially used to counter the low-pressure characteristics innate in concrete. It is produced using high-carbon steel that is high in tensile strength, made to demanding standards in light of its normal use in basic applications like extensions and different constructions.

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The prestressed concrete wire can be drawn to an assortment of breadths and made to an assortment of stress load specifications. At the point when installed in concrete, it very well might be uncoated, however, for applications that open it to the elements, it tends to be electrified or epoxy-covered, like rebar. Additionally, contingent upon the application, PC wire can have an external completion that is smooth, ribbed, or scratched.

Types of PC Wires

• Depending on the surface morphology, there are twisting rib (winding ribbed or helix scored) prestressed steel wire, light round prestressed steel wire, or scratches (indented) prestressed steel wire, the pressing factor wave (pleated) prestressed steel wire, etc.
• Depending on the force level, there are 1470MPa, 1570MPa, 1670MPa, 1770MPa, and 1860MPa PC wires.
• Depending on the width, there are PC wires available from 4mm to 12 mm width and more.
• Depending on the surface covering, the high tractable PC wires can be available in electrified prestressed aluminum conductor steel wire, prestressed epoxy covered steel wire, and no covering prestressed steel wire.
• Depending on the treatment interaction, there are low unwinding prestressed steel wire and cool drawn prestressing steel wire (no leeway execution prerequisites).

Application Insights of PC Wires

The essential utilization of the PC wire is in the development of buildings and bridges. The wires are additionally utilized in the development of stadiums, roads, railway sleepers, tunnels, and others.

Be that as it may, the segmental design utilized in bridge development is one of the significant applications of the item. Over the estimated time frame, the bridges section is probably going to command the market. The fragment is relied upon to represent 48.6% of the worldwide market by 2025.

The non-industrial nations like Malaysia, India, South Africa, and others are putting resources into different extension tasks to associate the remote regions of the country to metropolitan regions. According to the Indian authorities, the country needs a venture of $646 billion over the course of the following five years. The majority of this venture is expected to be dissipated in the roads, metropolitan infrastructure area, and power.

With the developing demand for infrastructure in agricultural nations, the market is probably going to notice a steady interest from the scaffold portion over the estimated time frame.

The building fragment was represented 31.7% in 2016 of the worldwide market. The rising reputation of skyscraper development is probably going to drive industry development over the figure time frame.

The developing real estate sector in the creating economies is probably going to be the critical impetus for section development. Besides, expanding urbanization in the developing economies is probably going to produce a solid demand for the building section.

The other fragment incorporates arena, roadwork, rail route sleepers, tunnels, and others. The section is relied upon to decay to 19.7% in 2025. The low interest from others section is because of difficulties, for example, feasibility restraint, infrastructure funding hole, and others.

The developing economies are the essential wellspring of new infrastructure advancement. Since these are developing economies, the test of monetary funding frequently delays or defers the task. Notwithstanding, it is expected that with the joint company of created nations the funding hole can be survived.

General Intro

Prestressed Steel Strand is an engineered steel PC wire with multi-sides profiles, special for reinforcement of prestressed concrete structure.

PC steel strand is the simplified term describing Prestressed Concrete Steel Strand Wire. With the advantages of high tensile strength and good corrosion resistance at elevated temperature, PC strand wire is used in heavy loading concrete constructions. It is made with galvanized steel wire or carbon steel wire through drawing, twisting or stranding and stabilizing. The stranded wire structures allow high tension and less distortion in uses.

The company is the world’s best PC Strand Unbonded supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

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Common sizes: 9.3 mm. 9.6.12.7, 12.5, 12.9, 11.11, 11.3, 15.24 and 15.7 mm.

Raw Materials: High-carbon steel wire rods, SWRH 82B

Processing: Continuous drawing by means of big reduction of area, twist, stabilizing treatment

Features: High tensile strength, low relaxation, stable modulus of elasticity, stress-relieved, firm connection with concrete, low stress, stable construction, good combination with steel reinforced concrete; saving material, reducing distortion and construction weight, increasing the abrasion resistance, water resistance, stiffness.

Standards We Follow: Concreate PC Strand confirms to the technical standards such as GB/T 5223, GB/T 5224, ASTM A-416, BS 5896, JIS G3536 or the standards agreed by both of the customers and us.

Prestressed steel concrete strand or PC strand can also be supplied in various forms for pre- or post-tensioning applications, with plain or galvanized material ranging from 3 wires, 7 wires, 19 wire and compacted construction.
Packing: Export anti-rust packing with vapors corrosion inhibiting technology and 3 coatings. There are two wooden pallets on the bottom.

Application
Our PC strand is mainly used for the reinforcement of prestressed concrete structures, such as large-span railway and road bridges, major bridges, silos, buildings, dams, floor slabs, foundations, large concrete vessels, atomic reactor buildings, stadiums, airport hangers, pre-cast segments, crane beams, anchorages and multi-storey industrial buildings etc.
Our PC strand is also used for the construction of highways, poles and water towers in civil construction, and energy source sea transportation, house buildings, water control projects, and rock and earth anchoring components to increase the tensile force.

1×2 Structure strand size and tolerance, reference quality per meter

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 strand size and tolerance, reference quality per meter

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 strand size and tolerance, reference quality per meter

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

1×2 Mechanical properties of structural steel strand

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

1×3 Mechanical properties of structural steel strand

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

1×7 Mechanical properties of structural steel strand

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 607080 1.02.54.5 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

The standard of PC steel wire:
 1.GB/T 5223-2002
 2.ASTM A648
 3.BS 5896-1980
 4.ASTM A421

Concreate can supply 2 sides, 3 sides and 4 sides low relaxation indented PC steel wire.

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