1.Technical Specifications
| Item | Specification |
| Product Type | Anti-Floating Precision Rolled Threaded Steel Bar Anchor |
| Grade | PSB785 |
| Specified Non-Proportional Extension Strength | ≥785MPa |
| Tensile Strength | ≥980MPa |
| Elongation After Fracture | ≥7% |
| Weight | 2.47 kg/m |
| Common Diameters | 15mm, 25mm, 32mm, 36mm, 40mm, 50mm |
| Surface Treatment | Black, galvanized, hot-dip galvanized available |
| Processing | Precision rolled thread |
| Application | Foundation anti-floating, bridge, tunnel, hydropower, mining and slope protection |
2. Nominal Section Area & Theoretical Weight
| Nominal Diameter | Nominal Section Area | Effective Section Coefficient | Theoretical Section Area | Theoretical Weight |
| 18mm | 254.5 mm² | 0.95 | 267.9 mm² | 2.11 kg/m |
| 25mm | 490.0 mm² | 0.94 | 522.2 mm² | 4.10 kg/m |
| 32mm | 804.2 mm² | 0.95 | 846.5 mm² | 6.65 kg/m |
| 40mm | 1256.6 mm² | 0.95 | 1322.7 mm² | 10.34 kg/m |
| 50mm | 1963.3 mm² | 0.95 | 2660.8 mm² | 16.28 kg/m |
3. Applications
4. Quality Standards
Manufacturing and quality control can be performed to meet project specifications or the following standards:
4.1 GB/ T 20065-2006 Steel Bars for Prestressed Concrete
4.2 JG/T 163-2013 Hot Rolled Ribbed Steel Bars for Reinforced Concrete
4.3 JGJ/ T 152-2014 Technical Specification for Mechanical Splicing of Steel Reinforcing Bars
4.4 YB/T 5 148-2016 Threaded Steel Bars for Prestressed Concrete
5. FAQ
5.1 What is threaded steel bar PSB785 used for?
PSB785 threaded steel bar is used in foundation anti-floating anchoring systems, bridge reinforcement, tunnel supports and rock anchoring, hydropower projects and water conservancy, mining engineering projects and slope protection and other applications.
5.2 What are PSB785 anchor bars specifications?
PSB785 threaded steel bars are specified to have a minimum non-proportional extension strength of ≥785MPa, tensile strength ≥980MPa and elongation of ≥7% after fracture.
5.3 What sizes of PSB785 threaded steel bars are available?
Available diameters include 15mm, 25mm, 32mm, 36mm, 40mm and 50mm. Custom specifications can also be made to order based on project requirements.
5.4 Can PSB785 anchor bars be galvanized?
Yes. Galvanized and hot-dip galvanized surface treatment options are available to provide corrosion resistance in humid, acidic, alkaline or other harsh environments.
5.5 What accessories are compatible with PSB785 threaded steel bars?
Anchor plates, nuts, couplers and other anchoring or tensioning accessories.
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