- Contact Person : Ms. zhang Daisy
- Company Name : Hebei Victory Metal Product Co., Ltd.
- Tel : 86-312-5903780
- Fax : 86-312-5903780
- Address : Hebei,Baoding,Yingu Industrial Estate,Mancheng County,Baoding City,Hebei,P.R.China
- Country/Region : China
- Zip : 072150
prestressed concrete 7 wire strand
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Technical Data of High Tensile PC Strand under BS 5896-1980 Standard
Type of Strand | Nominal Diameter | Tolerance on Diameter | Nominal Tensile Strength | Nominal Area of Strand | Nominal Mass | Tolerance on cross-sectional area & mass | Specified Characteristic Breaking Load | Specified Characteristic 0.1% Proof Load | Load at 1% Elongation | Minimum Elongtion at max Load(Lo 500mm min) | Relaxation | ||
Initial Load (% of actual breaking load) | Max relaxation after 1000hrs | ||||||||||||
mm | mm | N/mm2 | mm2 | g/m | KN | KN | KN | Relax Class 1(normal relax) | Relax Class2(low relax) | ||||
7-WireStandard | 9.3 | +0.3-0.15 | 1770 | 52 | 408 | +4%-2% | 92 | 78 | 81 | 3.5% | 60%70%80% | 4.5%8%12% | 1.0%2.5%4.5% |
11.0 | 1770 | 71 | 557 | 125 | 106 | 110 | |||||||
12.5 | +0.4-0.2 | 1770 | 93 | 730 | 164 | 139 | 144 | ||||||
15.2 | 1670 | 139 | 1090 | 232 | 197 | 204 | |||||||
7-WireSuper | 8.0 | +0.3-0.15 | 1860 | 38 | 298 | +4%-2% | 70 | 59 | 61 | 3.5% | 60%70%80% | 4.5%8%12% | 1.0%2.5%4.5% |
9.6 | 1860 | 55 | 432 | 102 | 87 | 90 | |||||||
11.3 | 1860 | 75 | 590 | 139 | 118 | 122 | |||||||
12.9 | +0.4-0.2 | 1860 | 100 | 785 | 186 | 158 | 163 | ||||||
15.7 | 1770 | 150 | 1180 | 265 | 225 | 233 | |||||||
prestressed concrete 7 wire strand
