1*19 structure 21.8mm prestressed steel strand is ordinary bonded steel strand, using SWRH82B material, with strength grades including 1860MPa and 1960MPa.
Product Parameters
| Product Name | Prestressed Steel Strand |
| Structure | 1*19S |
| Nominal Diameter（mm） | Ф17.80 |
| Strength Grade（MPa） | 1860 1960 |
| Nominal Cross-sectional Area（mm²） | 208 |
| Theoretical Weight per Meter（g/m） | 1652 |
| Relaxation Rate （%） | ≤2.5%（1000 hours, under 70% breaking load） |
| Straightness （mm） | ≤25mm |
| Material | Usually SWRH82B For above 2160MPa use 87MnSi |
Twist Direction （right twist requires special marking） | Left |
| Maximum Force of Whole Strand（kN） | 387-428 |
| Elongation （%） | ≥3.5 |
| Elastic Modulus | 195±10 |
| Execution Standard | GB/T 5224 |
| Support Customization | Materials、Tensile strength、Weight、Length、Unbonded steel strands、Packaging、Other customer requirements |
| Advantages/Features | High product strength, high elongation, corrosion resistance.When combined with anchors, it can effectively reduce the risk of coal mine collapse |
| Application Fields | Coal mine support |
| Length Width Height （cm）/piece | Inner diameter 75 * Outer diameter 110 * Height 80 |
| Weight/Piece | 3±0.5 tons |
Packaging
Logistics
Aosen Metal Products supports rail, road, sea, and multimodal transport. It has a fleet of over 1,800 vehicles, with a daily factory throughput of 80,000 tons.
Application Scenarios
Large-span structural engineering
Wind power generation
Public infrastructure
Coal mine support
Railways
Bridges
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