l Structure: 3 / 7 / 19 wires
l Diameter:6.2, 6.5, 8.6, 8.74, 9.3, 9.53, 10.8, 11.1, 12.5, 12.7, 12.9, 15.2, 15.7, 17.8, 18.0, 21.6, 21.8mm
l Standards: ASTM A416-2006, ASTM A886-2002, ASTM A882-02a, ABNT NBR 7483:2008, BS5896-1980, NF A35-035-2001, IS6006-1983, JIS G3536-2008, GB/T5224-2003, JG3006, JG161-2004.
l Tensile Strength :over 1860MPa,
l Yield Strength :over 1670MPa.
l Relaxation:Initial load to 70% breaking load, the relaxation at 1000 hours less than 2.0%.
l Elongation:Lo over 610mm, the elongation over 4.0%
l Application:Pre-stressing steels apply to post-tensioned and pre-tensioned concrete structure in the follow civil engineering, building construction and infrastructure projects: bridges; railway sleeper, subway track board; airport; industrial buildings, commercial buildings, residential housing foundations; PC poles, piles, beams, girders, slabs, double-T board, hollow floor board, floor, parking decks, PHC, PPCP; electric power, nuclear power station; ports, dams, water project, sewage treatment, swimming pool; rock-coil anchoring, side slope stabilization, coil mine; storage tank for national gas, oil, grain; stadiums, TV tower etc.
l Packing:baling strip, inner PVC film, outer damp-proof paper-plastic compound packing cloth, wooden pallet pedestal,or according to customers'requirements.
Type | Normal Diameter (mm) | Tolerance (mm) | Normal Area (mm2) | Normal Weight (kg/1000m) | Tensile Strength (MPa) | Min Breaking load (KN) | Min Yield load (KN) | Min. Elongation (Lo≥500mm) | Relaxation | |
Initial Load of min.nominal Breaking Strength | 1000h Value No more than | |||||||||
Standard 7 wire | 9.30 | +0.30 -0.15 | 52 | 408 | 1770 | 92 | 81 |
3.5%
|
60%
70%
80% |
1.0%
2.5%
4.5% |
11.00 | 71 | 557 | 1770 | 125 | 110 | |||||
12.50 | +0.40 -0.20 | 93 | 730 | 1770 | 164 | 144 | ||||
15.20 | 139 | 1090 | 1670 | 232 | 204 | |||||
Super 7 wire | 9.60 | +0.30 -0.15 | 55 | 432 | 1860 | 102 | 90 | |||
11.30 | 75 | 590 | 1860 | 139 | 122 | |||||
12.90 | +0.40 -0.20 | 100 | 785 | 1860 | 186 | 163 | ||||
15.70 | 150 | 1180 | 1770 | 265 | 233 | |||||
