HIGH STRENGTH 1860 MPA LOW RELAXATION PC STRAND
7-Wire Uncoated Steel Strand for Prestressed Concrete
ASTM A 416 Low Relaxation | ||||||
Grade MPa [ksi] |
Nominal Diameter of Strand mm [in.] |
Min. Breaking kN [lbf] |
Steel Area mm2 [in.2] |
Weight of kg/km [lb/kft] |
Min. load kN[lbf] |
Min. % |
1860 |
9.53 [0.375] | 102.3 [23 000] | 54.8 [0.085] | 432 [290] | 92.1 [20 700] |
3.5 (l≥600mm) |
11.11 [0.438] | 137.9 [31 000] | 74.2 [0.115] | 582 [390] | 124.1 [27 900] | ||
12.70 [0.500] | 183.7 [41 300] | 98.7 [0.153] | 775 [520] | 165.3 [37 170] | ||
13.20 [0.520] | 200.2 [45 000] | 107.7 [0.167] | 844 [568] | 180.1 [40 500] | ||
15.24 [0.600] | 260.7 [58 600] | 140.0 [0.217] | 1102 [740] | 234.6 [52 740] | ||
Relaxation Properties | ||||||
Initial Load of Specified Breaking Load | 70% | 80% | ||||
Max. Relaxation After 1000hrs @20±2℃ | 2.5% | 3.5% |
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 |
Used in all segments of the vrious construction industries including but not limited to
Our PC Strand projects.
High Speed Rail Projects
One of our core focus areas is high speed rail projects.Our technical capabilities,financial viability and superior execution skilles ensures cutting-edge project development and implementation.
Production process: