Customization: | Available |
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Certification: | ISO |
Surface: | Smooth |
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7-Wire Uncoated Steel Strand for Prestressed Concrete as per GB/T5224
Min.Breaking Strength |
Nominal Dia. |
Dia. Tolerance |
Norminal Steel Area |
Nominal Weight |
Min. Breaking Load |
Min.Load at 1%Extension |
Min.Elongation Lo≥610mm |
0.7 G.U.T.S 1000hNorminal Relaxation |
MPA | mm | mm | Mm2 | Kg/Km | KN | KN | % | % |
1860 | 9.50 | +0.30,-0.15 | 54.8 | 432 | 102 | 86.6 |
≥3.5 |
≤2.5 |
11.10 | 74.2 | 580 | 138 | 117 | ||||
12.70 |
+0.40,-0.20 |
98.7 | 775 | 184 | 156 | |||
15.20 | 140 | 1101 | 259 | 220 | ||||
15.70 | 150 | 1178 | 279 | 251 | ||||
17.80 | 191 | 1500 | 353 | 318 | ||||
1960 | 12.70 | +0.40,-0.20 | 98.7 | 775 | 193 | 174 | ≥3.5 | ≤2.5 |
15.20 | 140 | 1101 | 274 | 247 |
Raw Material Of PC Steel Wire Strand
Our raw material is high quality carbon steel hot rolled wire rod according to the standard GB/T4354-2008 .
The chemical composition of the steel conforms to the GB/T699-1999 standard.
Production Workshop
There are 10 sets of drawing production line ,0 complete set of stranding lines.The produce process of PC Steel Wire Strand is following as below:
Drawing process:Surface treatment- Drying - Drawing - -Stranding-Tension Control--Heat treatment -Post Tension-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.
Packing and Loading