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:

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We are going to dedicate ourselves to providing our esteemed buyers together with the most enthusiastically thoughtful products and services 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: United States, New Zealand, Mexico, Being the top solutions of our factory, our solutions series have been tested and won us experienced authority certifications. For additional parameters and item list details, be sure to click the button to acquire additional nformation.
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 |

In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
