

705 1667 710 2918 FusteelX Stainless Steel Post-Tensioning System is engineered to deliver reliable prestressing for concrete structures requiring high strength, exceptional durability and long-term performance in aggressive environments.
Manufactured from heat-treated 17-4PH precipitation-hardening stainless steel, the system combines an ultimate tensile strength exceeding 1,030 MPa with excellent corrosion resistance, outstanding fatigue performance and low relaxation characteristics. These properties ensure reliable prestress retention and long-term structural integrity throughout the design life of the structure.
Unlike conventional carbon steel post-tensioning systems that rely on external corrosion protection, FusteelX Stainless Steel Post-Tensioning System derives its corrosion resistance from the stainless steel itself. This significantly reduces inspection and maintenance requirements while extending service life and lowering whole-life costs, particularly in marine, coastal and other chloride-rich environments.
Infrastructure
Structural Solution
| Nominal Diameter(mm) | Nominal Cross Sectional Area(mm²) | S1030 Mass (kg/m) | Major Diameter of Threads(mm) | Minimum Hole Diameter in Steelwork(mm) |
|---|---|---|---|---|
| 20 | 315 | 2.46 | 22.0 | 24 |
| 25 | 491 | 3.83 | 28.9 | 31 |
| 26.5 | 552 | 4.31 | 30.4 | 33 |
| 32 | 804 | 6.27 | 36.2 | 40 |
| 36 | 1018 | 7.94 | 40.2 | 44 |
| 40 | 1257 | 9.80 | 45.3 | 49 |
| 50 | 1963 | 15.31 | 54.8 | 59 |
| 75 | 4185 | 32.64 | 77.2 | 82 |
| Grade | ![]() S1030 |
|---|---|
| Nominal Ultimate Tensile Strength (N/mm²) | 1030 |
| Nominal 0.1% proof Stress (N/mm²) | 835 |
| Minimum Elongation (%) | 10 |
| Approximate Modulus of Elasticity (N/mm²) | 185 |