General Intro

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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.

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.

Need more information about Concreate Reinforcing Products? Contact us now.

Everbright, a reliable PC Strand supplier ( manufacturer / exporter) of China.

Everbright presents an engineering wire product of high quality, durability and service ability in building materials for more than 20 years. We provide economic pc wire products complying with international standards.

We supply and distribute a wide range of steel wires products to numerous construction projects in USA, Vietnam, Egypt, and many satisfied customers all over the world.

Our Customers
Mainly in field of Construction, Building Materials, Steel plates & Rebars, Prestressing wire, Railways, Bridges, Transportation and other engineering.

Our Benefits
We supply quality products at competitive prices.
ISO 9001 certified manufacturers of Structural steel PC Wire Products.

PC Strand Categories

PC STRAND is mainly used for concrete structure, such as railway and highway, overhead crane construction, multi-floor industrial building and etc. Products have been widely applied to the engineering construction of large scale of railroads, highways, bridges.

The number of steel wires in PC strands: 2 wire, 3 wire, 7 wire, 12 wire, 17 wire, 19 wire and more.

Stranded wire types according to the surface shapes: smooth plain steel strand, indented steel strand, Helix strand, compact steel strand (compact), Epoxy coated PC Strand (7 wires individually coated), etc.
It can also be categorized by wire diameter, or intensity level, or by standard.
Common sizes: Diameter 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm indented PC wire for metal building materials.
Wire Shapes: Plain wire, Spiral ribbed steel wire

Standard: GB/T5223, ASTMA421, BS5896, JISG3536, ISO6934, EN10138

Type of Surface: Helix(screw / spiral ), unbonded, coated and uncoated plain steel, indented, hot dipped galvanized.
Coil weight: 1-3 tons
Elongation: 3.5%
Tensile Strength:1470Mpa-1860Mpa
Function: Low relaxation pc wire is used for prestressed steel structure, prestressed and post-tensioning, in large, medium and small sizes.

Structures:
7 wire, 12 wire, 17 wire, 19 wire and more.

7 wire strand and 19 wire strand construction:

Construction: 1x7 wire ( Left figure on the above photo)
Tensile strength: 1570, 1770, 1960 N/mm2
Diameter: 0.6-6.0 mm
Lay direction: S or Z

Construction: 1x19 wire ( Right figure on above photo)
Tensile strength: 1570, 1770, 1960 N/mm2
Diameter: 1-15.0 mm
Lay direction: S or Z

EXPORT PRODUCTS DETAILS

We supply and delivery the below mentioned popular specifications to different countries and we are looking forward to working with you upon your enquiry.

12.70 mm Unbonded PC strand ( 7 wires), for railway sleepers construction project
1x7-high tensile pc strand wire 1/2" ( 12.70 mm), high tension 1570Mpa, spiral ribbed steel wire, standard: ASTM A416, for concrete construction

Indented PC Wire Strand 5mm

Low relaxation pc steel strand, grade 270, in each coil minimum 3000 Kgs.

15.24mm 7-Wire PC STRAND WIRE, 1860Mpa, for POST Tensioning

Uncoated PC Wire 15.24mm, for the post tensioning slabs, tanks and other special engineering structures, for Karachi Pakistan

High Tensile Spiral PC Wire

10.7mm PC Wire, for Vietnam construction projects in concrete reinforcing

Epoxy coated Steel Strand

Blue coated pc steel strand, 7 wires individually coated

Pre-stressed Concrete Stranded Wire for Concrete Flooring Construction Projects in Egypt

Standard BS 5896 PC Wire, No of wires / strand 7, Diameter 9.3 mm
Area = 52 mm2, Strength = 1770 N/mm2, Relaxation = 2.5% at 70% breaking load after 1000h
Indent = 0.09 mm +- 0.03 mm euro norm pattern
Delivery = CIF Alexandria
For pre-stressing in concrete reinforcement construction project

If you want to learn more, please visit our website astm a416 grade 270.

Vietnam Market
Popular sizes
PC strand / PC steel bar / Pc wire
Spiral pc wire: 5mm, 6mm, 7.1mm, 9.3mm, 10.7mm, 15.24mm

PC Strand for USA Market
Sizes:

  Diameter Area Weight Breaking Strength Min. Load at 1% Extension Min. Elongation to Fracture Relaxation 1000h Min Difference between center & outer wire 70% CR 80% CR Grade in mm in2 mm2 lb / 1000 ft kg / 1000 m lbf KN lbf KN % % % in mm 250 3/8 9.53 0.080 51.61 272 405 20000 89.00 18000 80.10 3.5% 2.5% 3.5% 0.0020 0.0508 7/16 11.11 0.108 69.68 367 548 27000 120.10 24300 108.10 3.5% 2.5% 3.5% 0.0025 0.0635 1/2 12.70 0.144 92.90 490 730 36000 160.10 32400 144.10 3.5% 2.5% 3.5% 0.0030 0.0762 0.6 15.24 0.216 139.35 737 1094 54000 240.20 48600 216.20 3.5% 2.5% 3.5% 0.0400 0.1016 270 3/8 9.53 0.085 54.84 290 432 23000 102.30 20700 92.10 3.5% 2.5% 3.5% 0.0020 0.0508 7/16 11.11 0.115 74.19 390 582 31000 137.90 27900 124.10 3.5% 2.5% 3.5% 0.0025 0.0635 1/2 12.70 0.153 98.71 520 775 41300 183.70 37170 165.30 3.5% 2.5% 3.5% 0.0030 0.0762 0.6 15.24 0.217 140.00 740 1102 58600 260.70 52740 234.60 3.5% 2.5% 3.5% 0.0040 0.1016 Special STD 9/16 14.28 0.191 123.44 651 989 51700 229.80 46530 206.80 3.5% 2.5% 3.5% 0.0035 0.0889 Super 1/2 12.70 0.162 104.30 550 819 45000 200.00 40500 180.00 3.5% 2.5% 3.5% 0.0300 0.0762 9/16 14.28 0.194 125.10 660 982 54000 240.00 48600 216.00 3.5% 2.5% 3.5% 0.0035 0.0889

15.7mm Low Relaxation Pc strand - SET.4006 for Nigeria Market
Following specifications:
Prestressed Strand 7/15.2 mm Low relaxation
with galvanized Duct 72mm Ø, bearing plate, anchors and wedges.

7 wires PC strand to Iran and UAE and Oman Market
For Iron customers supplying of foundry and metallurgical materials
Sizes:
Uncoated 7 wires PC strands with following sizes ( ½ and 0.6 inches )
Grades : low relaxation according to ASTM- 416 , Grade 270 ( 1860 MPa).
200 hr. & 1000 hr. relaxation tested.

UAE Market:
PC Steel Strand, size 15.24 mm 3 wire grade 270k
PC Steel Strand, size 15.24 mm 4 wire grade 270k
PC Steel Strand, size 15.24 mm 5 wire grade 270k
PC Steel Strand, size 15.24 mm 7 wire grade

Dubai Market Sizes:
7 wire low relaxation pc wire strand 15.24 mm
7 wire low relaxation pc wire strand 12.97 mm

High Tensile PC Strand, to Bangladesh Market
Popular Types

• 9.53mm dia (7 ply) High Tensile PC Strand (low relaxation)
  Minimum ultimate tensile strength: Grade 270, 1862-MPA
  Low relaxation of 1000 hours: less than 2.5% as per ASTM A416/A416M-2010 Standard
• PC strand ( 7 wire strand), 5mm, 6mm, 7mm
  Strength: 1670MPA
  C+F Chittagong for 20ft fcl container shipment.

Rwanda Market
Size: PC Strand 12.7 mm diameter

South American Market
Sizes: 12.7 mm strands/ 7 wire (ASTM A722/A416)

PC Strand to Turkey Market
Type 1:
12.70mm PC Strand, ASTM A 416/A 416M Grade 270 Low Relaxation
to Istanbul
Type 2:
Pc strand 1x7 ply 3mm

Low Relaxation PC Strand
KSA / Kingdom of Saudi Arabia Market:
12.7mm PC Strands
9.53mm PC Strands
15.24mm PC Strands
Standard ASTM A416, Grade 270

Prestressing Strand Wires for Pakistan Market

PC Strand BS 5896 , 1860 mpa , low relaxation , 7-wired:

PC Strand Wire ASTM A416 15.24mm 270Ksi
1x7 15.24mm, 9.3/9.53mm
FOB & CFR Karachi Pakistan
Grade:  ASTM A416 / BS 5896, 1860MPa / 270Ksi
MTC and 3rd party test certificate provided

POST TENSIONING WIRE SEPCS: (15.24mm MTC must cover all below parameters)
Tendons conforming to ASTM A-416-96; Grade-270
Freyssinet C range system.
Nominal diameter per strand: 15.24 mm (0.6’’) ;
7 strands Wire, Cross-sectional area of tendons: A=980mm²
Nominal steel area per strand 140 mm2.
Nominal tensile strength 1860 N/mm2.
Nominal breaking strength of one strand 260.7 kN
Nominal yielding stress 1675 N/mm2
Nominal yielding force of one strand 234.6 kN
Maximum relaxation at 1000 hours under 0.7pk ≤ 2.5 %
Coefficient of friction μ 0.24 (rad-1)
Coefficient k 0.007 (rad/m) 

PC Strand BS 5896 to Market of Kingdom of Bahrain:
PC Strand BS 5896 , 1860 mpa, low relaxation ,
7-wired:
Size: 9.3mm
Size: 12.5mm

Stranded Wire for Egypt Market
Commodities:

• Unbonded pc strand 1/2" ( 12.7 mm), low relaxation, 270 k, blue sheet, standard: ASTM A416
• Pc strands, bonded & unbonded 0.5"&0.6" – ASTM A416 – FOB Basis.
• PC Strand as per ASTM A416 Gr270 1*7-15.24mm, …………CIF Alexandria Port
  for Customers who provide industrial concrete flooring constructions and post tension projects in Egypt
• Low Relaxation PC Steel 7-Strand Steel Cord, Left Hand Lay, according to ASTM A416, DIA 15.24 mm, 270K, 1860MPa.

Our Australia customer who provides concrete slab solutions in Australia, United Kingdom and United Arab Emirates. Also a leading provider of Specialist Engineering and Construction services with a core focus on the design and delivery of Post Tensioning Systems and Structural solutions.

·Material: PC Strand
·Diameter: 12.7mm
·Type: Ungalvanized 7 Wire PC Strand Relaxation
·Grade: 270K Grade (1860MPa), Left Hand Lay, with soluble oil as per ASTM A416 specification

Australia:
15.2 mm diameter strand; 1x7 PC Strand

12.7 reinforcing steel PC strand
details to St Helens Park NSW 2560 Australia.

Our customer is the leader of Post-Tension company in Thailand
who is expanding market to South East Asia country:

PC Strand 12.7mm Low Relaxation, specifications as below:

Standard Nominal tensile strength N/mm2 Nominal diameter mm. Nominal area mm2 Nominal weight kg/1000m. Minimum breaking strength kN. Relaxation 1000 hrs. % TIS 420-2510 & ISO 6934-4 : 1991 1860 12.7 98.7 774 184 2.5* 15.2 139 1101 259 ASTM A416-96 Grade 271(1860) 12.7 98.7 775 183.7 2.5* 15.2 140 1102 260.7

Pc Steel Strand
India customers in marketing and distribution of prestressed concrete strands/wires and other prestressed concrete products in India: PC Steel Strand Size 15.24 mm 7 Wire Grade 270k

PC Strand 15.4mm according to ASTM A416

PC Strands for DOHA

PC Strands in sizes 15.2mm & 15.7mm. The specifications as below:
Pre-stressing of strands shall be 7-wire super low relaxation strand class 2 according to EN 10138/ BS 5896-3.
Uncoated super low relaxation seven-wire high tensile strand of 15.2mm & 15.7 mm dia.

Properties:
Area 150mm sq
Nominal Tensile Strength 1860 N/mm sq
Nominal Yield Strength 1640 N/mm sq

The pre-stressing force at stressing to be 194 KN per strand.

12.9 and 15.7 Prestressed Concrete Strand Wire, for Singapore Market
Prestressed Concrete Strand Wire:
12.9-1x7 PC Wire, BS5896:1980 Standard
15.7-1x7 PC Wire, BS5896:1980 Standard
For construction of multi warehouse and industrial factories in Singapore

Central America Market
UNBONED WIRE PC STRAND
Standard ASMT A416/A416M-2002
Grade 1860Mpa
Size 1x7 size - 12.7 mm
Color Blue
Ship to Panama

Albania Market
Albania customers in construction import steel strands as following:
Strand diameter mm: 15,7
Norm: prEN 10138
Strand type: Super
Nominal diameter ( identification ): T15S
Nominal area mm: 2 150,00
fptk N/mm: 2 1.860
fp(1)k N/mm2: 1.670
Mass gr./m: 1.172
Tensione 1% di allungamento KN: 251
Breaking load ( Ptk ) KN: 279
Elastic limit 0,1% ( Pt0,1k ) KN: 248
Relaxation after 1.000 h.0,7 fpt %: 2,5
Relaxation after 1.000 h.0,8 fpt %: 4,5
Elastic modulus KN/mm2: 196 +/- 10
External diameter of strand greased and coated mm: 18,50
Weight of grease for metre of strand g/m: 78
Weight of strand greased and coated g/m: 1.290

Panama Market
PC Strand Unbonded ½”
PC steel strand size: 15.24 mm

Malaysia Market
We supply and distribute PC Strand to Malaysia customers, with the below mentioned sizes
Product : Low Relaxation, PC Strand
FOB CIF Port Klang, Malaysia
Size:
9.53mm
12.7mm
15.24mm

P.C.Strand 12 MM for Post-Tension Contracted work located in Middle East
P.C.Strand 12 MM
With DCLD Approval
Specifications :
Size- 12.7 mm
Spec-ASTM-A416M-12a
Grade: 1860 (270k)

PC Wire for concrete poles for electric transmission and for telecommunications
PCWire 7mm under ASTM A421 Standard
PC Strand 12.70mm under ASTM A416 Standard

Pc strand 15,7 mm greased in PE, Romania Market
Pc strand 15,7 mm R=1860 N/mm2, greased and sheathed
To Constanta - Romania.

Everbright Wire Products: PC Strand, PC Wire, Wire Rope 6x37, Binding Wire, Wire Ropes, Bead Wire, Nail Wire, Galvanize Wire, Razor Wire, Fencing Wires, Spring Wires, etc.

Kindly tell us what you are looking for, we will provide you with final and best price ASAP, and we will send you our catalog, certificates and samples.

We hope that we could cooperate with you as a supplier with a good price and good quality.

Want more information on High carbon low relaxation prestressing steel wire? Feel free to contact us.