4mm 7mm HTS Wire (pre-stressed spiral ribs high carbon wire)High Carbon Steel HTS Wire for Pre-tensioning Precast Prestressed Concrete
Description: Steel wire for pre-stressed concrete, pre-stressing steel wire, high carbon steel wire for pre-tensioning, high tensile low relaxation steel wire, stress-relieved steel wire
Diameter: 3.5mm, 4mm, 4.8mm, 5mm, 6mm, 7mm, 7.5mm, 8mm, 9mm, 9.3mm, 10mm
Raw Material: High carbon steel wire rod SWRH77B, SWRH82B and other grade.
Standard: ASTMA421, AS/NZS4672, ABNT NBR7482, BS5896-1980, EN10138-2, GB/T5223, JIS G3536, KSD 7002
Surface: Plain/smooth, spiral/helical ribs, indent
Tensile Strength: 1570Mpa, 1670Mpa, 1770Mpa etc
Relaxation on 1000 hours: 2.0% max; Elongation at breakage: 4.0% min
Export Packing: Baling strip, inside plastic cover, outside PP packing cloth;
Package Weight: 800kg-1600kg
Application: Cement electricity poles, railway sleeper, subway track board, concrete piles, beams, girders, slabs, hollow floor board, double-T board, PHC, PPCP.
| Technical Specifications and Parameters |
Diameter
(mm) | Tolerance
(mm) | Tensile Strength
Min
(MPA) | Yield Strength
Min (σp0.2/MPA)
| Elongation at
breaking load
(Lo=200mm)
Min (%)
| Bending Times
Min | Bending Radius
R/mm | Relaxation Value |
The relaxation at 1000h
(Initial load to 70% of
breaking load) Max (%) |
| 3.5 | ±0.05 | 1470
1570
1670
1770
1860 | 1290
1380
1470
1560
1640 | 3.5 | 4 | 15 | 2.0 |
| 4.0 |
| 4.8 |
| 5.0 |
| 6.0 | ±0.05 | 1470
1570
1670
1770 | 1290
1380
1470
1560 | 4 | 15 |
| 7.0 | 20 |
| 7.5 |
| 8.0 | ±0.06 | 1470
1570
1670 | 1290
1380
1470 | 4 | 20 |
| 9.0 | 25 |