- Pc Strand
- Unbonded Pc Strand
- Indented Wire
- Plain Wire
- Spiral Wire
unbonded pc strand
Unbonded PC Strand applies to large-span and large-size cast-in-place concrete floor, large load precast beams and other special structure.There is no need to reserve hole location and grout cement. It can operates simplly, save materials and be bent easily.
Standards of Unbonded PC Strand
| Specification | Tensile Strength (Mpa) | Section Area (mm²) | Grease Mass per Meter (g/m) | Minimum Thickness of Coat (mm) | Friction Factor (μ) | Effect Modulus (K) | Mass per Meter (kg/m) |
| 1X7-Φ12.70 | 1720 1860 1960 | 98.7 | 43 | 1.0 | 0.04~0.1 | 0.003~0.004 | 0.875 |
| 1X7-Φ15.20 | 1570 1670 1770 1860 1960 | 140.0 | 50 | 1.21 | |||
| 1X7-Φ15.24 | 1860 | 140.0 | 50 | ||||
| 1X7-Φ15.70 | 1860 | 150.0 | 63 | 1.30 |