Prestressing Steel THREADBAR ®
Technical Data
| Nominal Diameter | Steel Grade | Ultimate Strength fpu | 0.1% (a) Proof Strength | 70% (b) Ultimate Strength | 50% Ultimate Strength | Cross Sectional Area | Diameter over Threads | Thread Pitch | Bar Weight |
| mm | N/mm2 | kN | kN | kN | kN | mm2 | mm | >mm | kg/m |
| 15 | 900/1100 | 195 | 159 | 136 | 98 | 177 | 17 | 10 | 1.44 |
| 20 | 900/1100 | 345 | 283 | 241 | 173 | 314 | 23 | 10 | 2.56 |
| 26.5 | 950/1050 | 579 | 523 | 405 | 290 | 551 | 30 | 13 | 4.48 |
| 32 | 950/1050 | 844 | 764 | 591 | 422 | 804 | 36 | 16 | 6.53 |
| 36 | 950/1050 | 1069 | 967 | 748 | 535 | 1018 | 40 | 18 | 8.27 |
| 40 | 950/1050 | 1320 | 1194 | 924 | 660 | 1257 | 45 | 20 | 10.21 |
| 47 | 950/1050 | 1822 | 1648 | 1275 | 911 | 1735 | 52 | 21 | 14.10 |
(a) 0.1% Proof Stress also referred to, in general terms, as Yield Strength - Ty.
(b) For geotechnical applications 75% fpu may be used for proof testing.
Modulus of Elasticity: E = 205,000 N/mm2 ± 5%.
Stock Lengths: 15mm diameter bars, 6.0m; 20mm - 47mm diameter bars, 12.0m. Tolerances ± 100mm.
All bar diameters can be cut to length to suit customer requirements.