High strength steel wire for pretension concrete of standard ВS 5896-1980
High strength steel wire of standard ВS 5896-1980 is designed for enforcement of pretension concrete. Iron high-strength ВS 5896-1980 wire is manufactured dented and non-dented.
Supply of BS 5896-1980 wire
High strength iron wire for enforcement of pretension concrete is supplied in coils of different diameters. Wire 4-4,5 mm in diameter is delivered in coils 1,25 m in diameter, high strength wire of 5,0 mm diameter is shipped in coils 1,5 m in diameter, and wire for concrete enforcement 6,00 mm in diameter is supplied in coils of 2 m diameter.
| Nominal diameter, mm | 6 | 5 | 5 | 4 | 4 | |
|---|---|---|---|---|---|---|
| Nominal tensile strength, N/mm2 | 1670 | 1670 | 1770 | 1670 | 1770 | |
| Nominal 0,1% max. ultimate tensile strength, N/mm2 | 1390 | 1390 | 1470 | 1390 | 1470 | |
| Nominal cross-section, mm2 | 28,3 | 19,6 | 19,6 | 12,6 | 12,6 | |
| Nominal mass, g/m | 222 | 154 | 154 | 98,9 | 98,9 | |
| Characteristic breaking strength, kN | 47,3 | 32,7 | 34,7 | 21 | 22,3 | |
| Characteristic breaking 0,1% max allowed strength, kN | 39,3 | 27,2 | 28,8 | 17,5 | 18,5 | |
| Load at 1% elongation, kN | 40,2 | 21,8 | 29,5 | 17,9 | 19 | |
| Min. elongation at max. working load, L=200 mm | 3,50% | |||||
| Min. q-ty of bend-unbend test | 4 – for plain wire, 3 – for wire with dents (hacks) | |||||
| Recovery at initial load (% of running load) | 60% | 1,00% | ||||
| 70% | 2,50% | |||||
| 80% | 4,50% | |||||