
Foundation Systems
Post-Tensioning Bars
High-strength bars for controlled prestressing and structural connections.
Post-tensioning bars are high-strength steel bars used to apply controlled prestressing forces and securely connect structural elements. Fully threaded and smooth configurations are available with compatible couplers, nuts, plates and corrosion-protection systems.
- High tensile and load capacity
- Controlled, adjustable prestressing
- Easy extension using couplers
- Fast installation and tensioning
- Temporary or permanent use
- Reliable structural load transfer
- Corrosion-protection options
- Complete accessory range
Technical data
- Diameter range
- 28–100 mm
- Configurations
- Fully threaded or smooth
- Accessories
- Couplers, nuts and plates
- Corrosion protection
- Project-specific systems available
Applications
- Post-tensioned concrete structures
- Bridge segment connections
- Temporary bracing and support
- Heavy lifting and launching
- Seismic restraint systems
- Steel-frame tie systems
- Wind-turbine hold-down systems
- Pile testing
Technical tables
DIMENSIONS AND SELF-WEIGHT
| Nominal Diameter (mm) | 25 | 28 | 32 | 36 | 40 | 50 | 75 |
|---|---|---|---|---|---|---|---|
| Cross-Sectional Area (mm²) | 491 | 616 | 804 | 1018 | 1257 | 1964 | 4418 |
| Linear Weight (kg/m) | 4.1 | 4.85 | 4.85 | 8.41 | 10.34 | 16.28 | 35.9 |
STRENGTH GRADES 525/575 AND 670/800
| Nominal Diameter (mm) | 25 | 28 | 32 | 36 | 40 | 50 | 75 |
|---|---|---|---|---|---|---|---|
| Grade 525/575 — Yield Load (kN) | 270 | 308 | 300 | 560 | 690 | 1080 | 2100 |
| Grade 525/575 — Ultimate Load (kN) | 375 | 339 | 400 | 780 | 960 | 1500 | 2350 |
| Grade 670/800 — Yield Load (kN) | 330 | 390 | 400 | N/A | N/A | N/A | 2870 |
| Grade 670/800 — Ultimate Load (kN) | 390 | 470 | 500 | N/A | N/A | N/A | 3500 |
STRENGTH GRADES 835/1035 AND 935/1085
| Nominal Diameter (mm) | 25 | 28 | 32 | 36 | 40 | 50 | 75 |
|---|---|---|---|---|---|---|---|
| Grade 835/1035 — Yield Load (kN) | 405 | N/A | 510 | 840 | 1040 | 1600 | 3600 |
| Grade 835/1035 — Ultimate Load (kN) | 500 | N/A | 720 | 1040 | 1290 | 2010 | 4500 |
| Grade 935/1085 — Yield Load (kN) | 450 | 500 | 510 | 940 | 1160 | 1820 | 3600 |
| Grade 935/1085 — Ultimate Load (kN) | 500 | 620 | 720 | 1090 | 1350 | 2110 | 4500 |



