1860MPa 7 Wires 12.7mm Prestressed Concrete Strand

Steel Grade: 77b, 82b
PC Strand Standard: AISI, ASTM, BS, DIN, GB, JIS
Wire Gauge: 3mm-20mm
Surface: Uncoated, PE Coated
Applications: Bridge, High Buildings, Tunnel, Dams, Mine, etc.
Raw Materials: High Carbon Steel Wire Rod
Customization:

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Basic Info.

Model NO.
CNM-S
Tensile Strengh
1860MPa
Grade
270k
Low Relaxation
2.5%
Transport Package
20FT Container, 40 FT Higher Container, or Naked
Specification
SGS, ISO9001-2008, BV
Trademark
CNM
Origin
Hennan Province
HS Code
7312100000
Production Capacity
100000 Tons Per Month

Product Description

1860MPa 7 Wires 12.7mm Prestressed Concrete Strand

1. Specifications: 1*7 wire.

2. Diameter: 12.7mm , 1720/1860/1960MPA , 
                        15.2mm , 1570/1670/1770/1860/1960MPA 
                        15.7 mm, 1860MPA.

3. Standard for your options: ASTMA416, AS1311,BS5896, JISG3536, GB/T5224-2003.

4. Steel Material: 82B.

5 Coil Weight: 2000-4000kg/coil.

6 Features: Low Relaxation, High tensile strength.

7. Twisted Direction: Usually Left Direction or Right Direction is available.

8. Applications:  Large -span bridges on railway and highway, overhead crane beam, rock-soil anchoring project, multi-story industrial buildings, stadiums, coal mines and etc.





9. Technical Data For 1*7 Bonded(Uncoated) PC Strand:
 
ASTM A416
GradeNominal Dia.Tolerance (mm)Cross Section Area (Sn/mm2)Re. Mass per 1m (g/m)Minimum Breaking Load (Fm/KN)Min. Load at 1% Extension (Fp0.2/KN)(L0≥500mm) Agt Elongation Max Load not less than (%)The Relaxation at 1000 Hours (r/%)
(In)(mm)
270 3/89.530.65
-0.15
54.84432102.392.13.52.5
 4/911.1174.19582137.9124.1
 1/212.798.71775183.7165.3
 3/515.241401102260.7234.6
 

2. 1*7 Unbonded(PE Coated) PC Strand: 
Unbonded(PE Coated) PC Strand: 

1. Standard:  ASTM A416/BS5896/JIS G3536,KS D7002,AS/NZS 4672 etc.

2.Diameter: 9.3mm/9.53mm/12.5mm/12.7mm/15.2mm/15.24mm/17.8mm/20.3mm/21.8mm/28.6mm.

3. Material: 82B.

4. Tensile Strength: 1770MPa,1810MPa,1860MPa.

5. Relaxation Value(1000h): max 2.5%.

6. Coil Weight: from 2 tons to 4tons.

7. Technical Data For Unbonded(PE Coated) PC Strand:

SpecificationTensile Strength(Mpa)Section Area(mm2)Grease mass /meter(g/m)Min Thickness of Coat(mm)Friction factor(µ)Effect modulus(k)Mass/Meter(kg/m)Zinc Weight(g/m2)
1*7-12.70172098.74310.04-0.10.003-0.0040.88260
1860
1*7-15.201570140501.21
1670
1770
1860
1*7-15.24186014050
1*7-15.701860150531.3

 


3. PC Steel Wire

1. PC Steel Wire Specifications:
1). Type: we manufacture plain pc steel wire and spiral pc strand wire(spiral ribbed).

2). Standard:  AISI,ASTM,BS,DIN,GB,JIS. 

3). Remarks:  common use standard: GB/T 5223-2002, BS 5896-1980, ASTM A421, ASTM A648.

4). Wire diameter:  from 4mm to 10mm(4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm).

5). Materials:  Alloy Or Not: Non-alloy.

6). Special Use:  Cold Heading Steel.

7). Surface: spiral, plain, indented.

8). Tensile strength: 1470,1570,1670,1770Mpa,1860Mpa.

9). Raw material:  SWRH77b,SWRH 82b.

10). Package Coil Weight: 1.0-2.5 tons per coil, according to your requirement.

11). Length:  1000m-3600m per coil

12). Relaxation on 1000 hours: 2.5% max.

13). Elongation at breakage: 3.5% min.

14). steel strand feature: low relaxation, stress-relieved, high tensile force.


Technical Data For Spiral PC Steel Wire
Size/mmTolerance/mmArea/mm2Theoretical weight-g/mWire Cross-sectional SizeRib PiecesLay Length (Lg)/mm
Basic-round Dia (D1)/mmOutline Dia(D)/mmRib Width(jk)/mm4
4±0.0412.5798.63.85±0.054.25±0.050.90~1.3024-30
4.8±0.0518.11424.60±0.055.10±0.051.30~1.7028-36
519.631544.08±0.055.30±0.051.30~1.7028-36
628.272225.80±0.056.30±0.051.60~2.0030-38
6.2530.682416.00±0.056.70±0.051.60~2.0030-40
738.483026.73±0.057.46±0.101.80~2.2035-45
8±0.0650.263947.75±0.058.45±0.102.00~2.4040-50
963.624998.75±0.059.45±0.052.10~2.7042-52
1078.546169.75±0.059.75±0.052.50~3.0045-58





15. Our Advantages:

We are PT Manufacturer from China, our full products range for post tensioning and pre-strssing construction:
1). Materials: pc strand, YJM anchor system(monostrand anchor, multistrands anchor), ducts(metal ducts, HDPE plastic ducts)
2). Equipment: Hydraulic Jack(QYC mono jack, YDC multi-strand tensioning jack), electric oil pump, YH30 embossing machie(onion jack), GYJ500 extrusion machine, ZG130 ducts making machine, grouting pump and mixer for post tensioning).
3). Bridge Equipment: Bridge Crane, Bridge Girder Launching Machine, Bridge Girder Transporting Vehicle, etc.



16. FAQ:
 
 
1) Q: Do you provide free samples?
A: Yes, sure, we provide free samles for your testing.
 
2) Q: How is the delivery lead time:
A: Goods in stock: within 3 days, Goods out of stock(7 days), Goods need to be customized(10-15 days).
 
3) What is your Minimum Order?
A: MOQ: 5 MT.

4). What information should provide before place order?
We are appreciated you provide us the followings information, so we can arrange everything quickly.
1). What diameter of pc strand do you order?
2). Do you need Unbonded(PE Coated) or Bonded(Uncoated) PC Strand?
3). What is your required quantity and destination port?
 
5) Q: Payment Terms?
A: TT, LC, Western Union, Paypal, etc.
 
6) Q: How to transport the goods:
A: by shipping, airflight, express.


Let's have a quick communications for business by following:
Mobile Phone No.: +8613673713569
Jason Wang

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