1*7 Wires Low Relaxation PC Strand ASTM A416 BS5896
PT CABLE: POST-TENSIONED STEEL CABLE
PC STRAND: PRE-STRESSED CONCRETE STEEL STRAND
Structure: 7 wire, 3 wire, 19 wire.
Diameter: 6.5mm, 7.9mm, 8.6mm, 9.3mm, 9.53mm, 11.1mm, 12.5mm, 12.7mm, 12.9mm, 15.2mm, 15.7mm, 17.8mm, 18.9mm, 21.6mm, 21.8mm
Feature: low relaxation, stress-relieved, high tensile strength.
Raw Material: high carbon steel wire rod
Steel Grade: SWRH77B, SWRH82B
Standards: ASTM A416, AS4672, ABNT NBR 7483:2008, BS5896-1980, EN10138-3, GB/T5224-2003, IS6006, JISG3536
Tensile Strength: 1770Mpa, 1860Mpa, 1960Mpa
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: 2000-4000 kg/coil| Standard | Grade | Nonimal Dia. | Section Area | Mass | Breaking Loading | Load at 1% Ext. | Elongation | Relaxation at 1000h |
| (in) | (mm) | (mm2) | (g/m) | Min (Mpa) | (KN) | Lo 610mm min | (Initial Load to 70% of Breaking Load) |
| ASTM A416 | 270K (1860) | 3/8 | 9.53 | 54.84 | 432 | 102.3 | 92.1 | 3.5% min | Low Relaxation | Normal Relaxation |
| 7/16 | 11.11 | 74.19 | 582 | 137.9 | 124.1 | 2.5% max | 3.5% max |
| 1/2 | 12.7 | 98.71 | 775 | 183.7 | 165.3 |
| 3/5 | 15.24 | 140.00 | 1102 | 260.7 | 234.6 |
| Standard | Type | Dia. | Tolerance | Section Area | Mass | Tensile Strength | Breaking Loading | Min. Load at 1% Extenstion | Elongation | 1000h Relaxation |
| (mm) | (mm) | (mm2) | (g/m) | (Mpa) | Min. (KN) | Min (KN) | Min (%) | Max (%) |
| BS5896 -1980 | Standard 7 Wire | 9.3 | +0.3, -0.15 | 52 | 408 | 1770 | 92 | 81 | 3.5 | 2.5% |
| 11.0 | 71 | 557 | 1770 | 125 | 110 |
| 12.5 | +0.4, -0.2 | 93 | 730 | 1770 | 164 | 144 |
| 15.2 | 139 | 1090 | 1670 | 232 | 204 |
| Super 7 Wire | 9.6 | +0.3, -0.15 | 55 | 432 | 1860 | 102 | 90 |
| 11.3 | 75 | 590 | 1860 | 139 | 122 |
| 12.9 | +0.4, -0.2 | 100 | 785 | 1860 | 186 | 163 |
| 15.7 | 150 | 1180 | 1770 | 265 | 233 |