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Prestressed contrete strand
Structure:1*7
Material:High carbon steel wire rod(77B,82B)
Diameter: :12.7mm,15.2mm,17.8mm
1*7 General Data
Dia(mm) | Cross section size(mm2) | Approximate weight(g/m) | Tolerance(mm) |
| 12.7 | 98.7 | 775 | +0.4~-0.2 |
15.2 | 150 | 1178 | +0.4~-0.2 |
17.8 | 191 | 1500 | +0.4~-0.2 |
1*7 Mechanical property
| Dia(mm) | Tensile Strength(Rm/MPa) | Max strength for whold wire(Fm/kN) | StipulatedNominal Non proportional extension rate(Fp0.2/kN) |
| 12.7 | ≥1860 | ≥185.1 | ≥166 |
| 15.2 | ≥1860 | ≥262.5 | ≥235 |
| 17.8 | ≥1860 | ≥358 | ≥318 |
Railway reinforced Steel Strand for Prestressed Concrete
