Description
2.50-2.64-2.80-3.00-3.20-3.40-3.80 1770MPa spiral ribs PC steel wire 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: 2.5mm, 2.64mm, 2.80mm, 3mm, 3.2mm, 3.4mm, 3.8mm, 4mm, 4.8mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
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-1400KGS, 2000-2400kg, optional.
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 (%) |
| 3.0 | ±0.04 |
1670
1770
1860 |
1470
1560
1640 | 3.5 | 4 | 15 | 2.0 |
| 3.2 |
| 3.4 |
| 3.8 |
Complaint
