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PC Strand
Prestressed concrete strand(PC Strand), our company can produce various models of prestressed concrete steel strand according to different standards:unbonded PC steel strand, spiral PC Strand, lrpc wire ect.
Annual output : 60000 tons per year
Common Size: 12.7mm 15.24mm, 7.94mm-28.6mm
Product Description
PC Strand
Steel strand for PC concrete
Standard: GB/T5224,ASTM A416,BS5896,JIS G3536,UNE 36094,KS D,AS/NZS4672
Structure And Size: 1×7wires – 9.5/11.1/12.7/15.2/15.7/17.8/21.6 mm
Good performance characteristic:
high tensile strength and elongation;
low relaxation value;
small stress losing;
excellent durable anti-fatigue performance
Standards of PC Strand
| Prestressing Strands specification | |||||||
| Standard | Nominal diameter | Tensile Strength | Yielding load | Elongation | Relaxation Value | Theoretical weight per KM | |
| mm | Mpa | KN | L0≥500mm | Initiate loads /maximum nominal load*100% | Relaxation Value 1000 hours no more than | Kg | |
| Class Ⅱ | |||||||
| GB/T5224-2003 | 12.70 | 1860 | 166.0 | 3.5 | 70 | 2.5 | 775 |
| 15.20 | 1860 | 260.0 | 3.5 | 80 | 4.5 | 1101 | |
| 17.80 | 1860 | 353.0 | 3.5 | 80 | 4.5 | 1500 | |
| ASTM A416-06 | 11.11 | 1860 | 138 | 3.5 | 70 | 2.5 | 582 |
| 12.70 | 1860 | 184 | 3.5 | 70 | 2.5 | 775 | |
| 15.24 | 1860 | 261 | 3.5 | 70 | 2.5 | 1102 | |
| BS5896-1980 | 9.30 | 1860 | 92.0 | 3.5 | 80 | 2.5 | 408 |
| 11.00 | 1860 | 125.0 | 3.5 | 80 | 2.5 | 557 | |
| 12.50 | 1860 | 164.0 | 3.5 | 80 | 2.5 | 730 | |
| 15.20 | 1860 | 232.0 | 3.5 | 80 | 2.5 | 1090 | |
| ISO6934-1991 | 9.50 | 1860 | 86.6 | 3.5 | 70 | 2.5 | 430 |
| 11.10 | 1860 | 117.0 | 3.5 | 70 | 2.5 | 582 | |
| 12.70 | 1860 | 156.0 | 3.5 | 70 | 2.5 | 775 | |
| 15.20 | 1860 | 220.0 | 3.5 | 70 | 4.5 | 1101 | |
Raw Material
Our raw material is high carbon wire rod SWRH82B and SWRH77B.
We mainly purchase the most excellent wire rod from the famous steel group in China.
Production Process And Workshop
Zhuoheng currently having 6 PC steel cable production lines, with annual 100000 tons for PC steel cable.Process as below :
Raw Materials（tested wire rod）→ Surface Treatment →First Drawing→ Strand(9 times drawing) → Stabilizing Treatment→ Rust-Proof And Coiling→ Packing
Testing Center
With comprehensive testing equipment and advanced testing techniques to every processing, we control processing quality timely to ensure all parameters with strict standard to finish qualified products.
Quality Certificate
ISO9001:2008 -Quality Management System – Certified by ZDHY
Test result of 15.2and 12.7mm PC strand in accord with standrad GB/T 5224-2014
DCL Test Report of PC Steel Strand Applicable for Middle-east Countries Quality Standard
Packing
Each coil is strapped by steel bands at 8 places, fully wrapped with anti-rust plastic & P. P woven sheet with pallet and strapped again by steel bands at 6 places.
Applications Of PC Strand
The products are mainly for the use of prestressed concrete structure reinforced. Such as Post tensions slabs, prestressed girders, double-tee, hollw core slabs,large-span bridges on railway and highway, stay cable,overhead crane beam, rock-soil anchoring Project, multi-storey industrial buildings,stadiums,coal mines,nuclear power plants, DAMS and etc.
Customer
We are the supplier of: China railway
Have Any Question?
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