Bonded(Uncoated) PC Strand
1. Specifications: 1*7
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 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.
Technical Data For 1*7 Bonded(Uncoated) PC Strand.
| ASTM A416 |
| Grade |
Nominal 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 |
3/8 |
9.53 |
0.65
-0.15 |
54.84 |
432 |
102.3 |
92.1 |
3.5 |
2.5 |
| 4/9 |
11.11 |
74.19 |
582 |
137.9 |
124.1 |
| 1/2 |
12.7 |
98.71 |
775 |
183.7 |
165.3 |
| 3/5 |
15.24 |
140 |
1102 |
260.7 |
234.6 |
1*7 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.
Technical Data For Unbonded(PE Coated) PC Strand:
| Specification |
Tensile 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*7-12.70 |
1720 |
98.7 |
43 |
1 |
0.04-0.1 |
0.003-0.004 |
0.88 |
260 |
| 1860 |
| 1*7-15.20 |
1570 |
140 |
50 |
1.21 |
| 1670 |
| 1770 |
| 1860 |
| 1*7-15.24 |
1860 |
140 |
50 |
| 1*7-15.70 |
1860 |
150 |
53 |
1.3 |
PC Steel Wire
Specifications:
Type: we manufacture plain pc steel wire and spiral pc strand wire(spiral ribbed).
Standard: AISI,ASTM,BS,DIN,GB,JIS.
Remarks: common use standard: GB/T 5223-2002, BS 5896-1980, ASTM A421, ASTM A648.
Wire diameter: from 4mm to 10mm(4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm)
Alloy Or Not: Non-alloy
Special Use: Cold Heading Steel
Surface: spiral, plain, indented
Tensile strength: 1470,1570,1670,1770Mpa,1860Mpa.
Raw material: SWRH77b,SWRH 82b
Package Coil Weight: 1.0-2.5 tons per coil, according to your requirement
Length: 1000m-3600m per coil
Relaxation on 1000 hours: 2.5% max
Elongation at breakage: 3.5% min
steel strand feature: low relaxation, stress-relieved, high tensile force.
Technical Data For Spiral PC Steel Wire:
| Size/mm |
Tolerance/mm |
Area/mm2 |
Theoretical weight-g/m |
Wire Cross-sectional Size |
Rib Pieces |
Lay Length (Lg)/mm |
| Basic-round Dia (D1)/mm |
Outline Dia(D)/mm |
Rib Width(jk)/mm |
4 |
| 4 |
±0.04 |
12.57 |
98.6 |
3.85±0.05 |
4.25±0.05 |
0.90~1.30 |
24-30 |
| 4.8 |
±0.05 |
18.1 |
142 |
4.60±0.05 |
5.10±0.05 |
1.30~1.70 |
28-36 |
| 5 |
19.63 |
154 |
4.08±0.05 |
5.30±0.05 |
1.30~1.70 |
28-36 |
| 6 |
28.27 |
222 |
5.80±0.05 |
6.30±0.05 |
1.60~2.00 |
30-38 |
| 6.25 |
30.68 |
241 |
6.00±0.05 |
6.70±0.05 |
1.60~2.00 |
30-40 |
| 7 |
38.48 |
302 |
6.73±0.05 |
7.46±0.10 |
1.80~2.20 |
35-45 |
| 8 |
±0.06 |
50.26 |
394 |
7.75±0.05 |
8.45±0.10 |
2.00~2.40 |
40-50 |
| 9 |
63.62 |
499 |
8.75±0.05 |
9.45±0.05 |
2.10~2.70 |
42-52 |
| 10 |
78.54 |
616 |
9.75±0.05 |
9.75±0.05 |
2.50~3.00 |
45-58 |
