New Fashion Design for High Strength Thread Bar System - ASTM A722 Post-Tensioning Bars 40mm,50mm – Cathay Detail:
System Description:
The screw thread steel bars for the prestressing of concrete manufactured by our company is a high tensile alloy steel bar which features a coarse right-hand thread over its full length and available in two standard lengths, namely 9m and 12m,yet,special length is negotiable based on user’s demand subject to the maximum length of 18m.
The screw thread steel bars:
Fully Threaded Bar - can be cut and coupled at any point.
Low Relaxation Steel - minimum relaxation during service life.
Prestressing Grade Steel - high strength offers weight savings and reduced working diameters.
| Grade | PSB500,PSB830,PSB930,PSB1080 |
| Diameter | 15mm,0mm,25mm,32mm,36mm,40mm,50mm |
Applications:
Our thread bar systems are used for connections, formwork and anchorages and have been installed in large-scale construction projects worldwide. Whether for building, underground, bridge or road construction, tunnelling or mining.
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Product detail pictures:

Related Product Guide:
We can normally fulfill our respected consumers with our great excellent, great value and good provider due to we're much more specialist and extra hard-working and do it in cost-effective way for New Fashion Design for High Strength Thread Bar System - ASTM A722 Post-Tensioning Bars 40mm,50mm – Cathay, The product will supply to all over the world, such as: Singapore, Brisbane, Moscow, Facing fierce global market competition, we have launched the brand building strategy and updated the spirit of "human-oriented and faithful service", with an aim to gain global recognition and sustainable development.

| Nominal Diameter | Diameter | H | B | L | Nominal Section | Nominal Weight | |
| Dv | Dh | ||||||
| mm | mm | mm | mm | mm | mm | mm2 | kg/m |
| 15 | 15 | 15 | 1.0 | 4.5 | 10 | 176 | 1.47 |
| 18 | 18 | 18 | 1.0 | 4.0 | 10 | 254.5 | 2.11 |
| 20 | 20 | 20 | 1.3 | 4.8 | 10 | 314 | 2.47 |
| 25 | 25 | 25 | 1.6 | 6.0 | 12 | 490.9 | 4.10 |
| 32 | 32 | 32 | 2.0 | 7.0 | 16 | 804.2 | 6.65 |
| 36 | 36 | 36 | 2.5 | 8.0 | 18 | 1018 | 8.41 |
| 40 | 40 | 40 | 3.0 | 8.0 | 20 | 1256.6 | 10.34 |
| 50 | 50 | 50 | 3.0 | 9.0 | 24 | 1963.5 | 16.28 |
| 60 | 60 | 60 | 3.0 | 10.0 | 22 | 2827 | 23.26 |
| 63.5 | 63 | 63.5 | 3.0 | 12.0 | 22 | 3167 | 26.20 |
| 65 | 65 | 65 | 3.0 | 12.0 | 22 | 3318 | 27.470 |
| 70 | 70 | 70 | 3.0 | 12.0 | 22 | 3848 | 31.8 |
| 75 | 75 | 75 | 3.0 | 12.0 | 22 | 4418 | 36.9 |
| Grade500/630 | NominalDia. | CrossSection | YieldStrength | TensileStrength | YieldLoad | UltimateLoad | Elongation | NominalWeight |
| mm | mm2 | >=Mpa | >=Mpa | KN | KN | A/% | KG/m | |
| 20 | 314 | 500 | 630 | 157 | 198 | 10 | 2.47 | |
| 25 | 491 | 500 | 630 | 246 | 309 | 10 | 4.1 | |
| 28 | 615 | 500 | 630 | 308 | 387 | 10 | 4.83 |
The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
