Custormized Size and Type
SHANQI
Product Description
General Technical Information of P. C. Strands:
Structure: 1x7 wire, 1x2 wire,1x3 wire,1x19 wire
Property: Low Relaxation, High Tensile strength
Common type: Unbonded
Materials: Cold drawn steel wire
Tensile Strength: 1470Mpa ~ 1960Mpa
Yield Strength: 1320Mpa ~ 1760 Mpa
Elongation: Not less than 3.5%
Initial Load: Not more than 70%
Relaxation(1000h):No more than 2.5%
Strand Diameter Available: 9.53mm, 12.7mm, 15.2mm, 15.7mm, 17.8mm, 21.8mm
Packing Details: Standard Export Package (Wrapped by steel strips, waterproof cloth sheet, wooden pallet)
Standards: Following international standards in production of PC Strand: GB/T5224 (China Standard), ASTMA416, ASTMA421 (USA), BS5896(UN), JIS3536(Japan), AS/NZS4672(Australia), NBR-7483(Brazil), EN10138(Europe), ISO6934.
Uses: Mainly used as building material reinforcing strand for concrete structures such as Bridge Beam, Mining anchoring, Slope reinforcement, Dam reinforcement, offshore oil platform, Nuclear power plant, railway sleeper, bridges, railway station and multi-floor buildings.
Brazil Standard: NBR7483
| Category | Model | Nominal Dia(mm) | Tolerance (mm) | Area of Section (mm2) | Weight (kg/1000m) | Min. Breaking Strength (kN) | Min. Load at 1% elongation (kN) | Elongation (%) | The relaxation at 1000h (%) | ||
| Min | Reference Value | Max | |||||||||
| RB190 | CP 190RB 9.5 | 9.5 | +0.4 | 54.9 | 56.2 | 57.3 | 441 | 104.3 | 93.9 | 3.5 | 3.5 |
| CP 190RB 12.7 | 12.7 | 98.6 | 100.9 | 102.9 | 792 | 187.3 | 168.6 | ||||
| CP 190RB 15.2 | 15.2 | 139.9 | 143.4 | 146.3 | 1126 | 256.8 | 239.2 | ||||
| RB210 | CP 210RB 9.5 | 9.5 | -0.2 | 54.9 | 56.2 | 57.3 | 441 | 115.3 | 103.8 | ||
| CP210RB 12.7 | 12.7 | 98.6 | 100.9 | 102.9 | 792 | 207.0 | 186.3 | ||||
| CP210RB 15.2 | 15.2 | 139.9 | 143.4 | 146.3 | 1126 | 293.8 | 264.4 | ||||
USA Standard: ASTM A416
| Grade | Nominal Dia (mm) | Tolerance (mm) | Area of Section (mm2) | Weight (kg/1000m) | Break Load (kN) | Min. load at 1% elongation (kN) | Elongation (%) | The relaxation at 1000h | |
| Initial load 70% | Initial load 80% | ||||||||
| 250 | 9.53 | ±0.40 | 51.61 | 405 | 89.0 | 80.1 | 3.5 | 2.5 | 3.5 |
| 11.11 | 69.68 | 548 | 120.1 | 108.1 | |||||
| 12.7 | 92.9 | 730 | 160.1 | 144.1 | |||||
| 15.24 | 139.35 | 1094 | 240.2 | 216.2 | |||||
| 270 | 9.53 | +0.65 -0.15 | 54.84 | 432 | 102.3 | 92.1 | 3.5 | 2.5 | 3.5 |
| 11.11 | 74.19 | 582 | 137.9 | 216.1 | |||||
| 12.7 | 98.71 | 775 | 183.7 | 165.3 | |||||
| 15.24 | 140.00 | 1102 | 260.7 | 234.6 | |||||
| 17.78 | 189.70 | 1487 | 353.2 | 318.0 | |||||
Standard: GB/T5224-2014
| Strand Type | Nominal Dia.(mm) | Tolerance (mm) | Area of Section(mm2) | Weight (kg/1000m) | Tensile Strength (Mpa) | Specified characteristic breaking load(kN) | Specified characteristic 0.1% Yield Load (kN) | Min. Load at 1% elongation (kN) | Min. clongation at max. load (%) | The relaxation at 1000h | ||
| Initial load 60% | Initial load 70% | Initial load 80% | ||||||||||
| 7-wire super | 9.60 | +0.30 -0.15 | 55 | 432 | 1860 | 102 | 87 | 90 | 3.5 | 1 | 2.5 | 4.5 |
| 11.30 | 75 | 590 | 1860 | 139 | 118 | 122 | ||||||
| 12.90 | +0.40 -0.20 | 100 | 785 | 1860 | 186 | 158 | 163 | |||||
| 15.70 | 150 | 1180 | 1770 | 265 | 225 | 233 | ||||||
Standard: GB/T5224-2014
For Mine
| Structure | Nominal Dia.(mm) | Tolerance(mm) | Tensile Strength (Mpa) | Test Load (kN) | Break Load (kN) | Fp0.2 Yield Load (kN) | Agt % Elongation L0≥500mm | Relaxation | |
| Initial load to % of nominal max load (%) | The relaxation at 1000h (%)≤ | ||||||||
| 1*19 | 28.60 | +0.40 -0.15 | 1720 | 915 | 1021 | 805 | 3.5 | 70 80 | 2.5 4.5 |
| 17.80 | 1770 | 368 | 410 | 334 | |||||
| 19.30 | 431 | 481 | 379 | ||||||
| 20.30 | 480 | 534 | 422 | ||||||
| 21.80 | 554 | 617 | 488 | ||||||
| 28.60 | 942 | 1048 | 829 | ||||||
| 20.30 | 1810 | 491 | 545 | 432 | |||||
| 21.80 | 567 | 629 | 499 | ||||||
| 17.80 | 1860 | 387 | 428 | 341 | |||||
| 19.30 | 454 | 503 | 400 | ||||||
| 20.30 | 504 | 558 | 444 | ||||||
| 21.80 | 583 | 645 | 513 | ||||||
| 28.60 | 990 | 1096 | 854 | ||||||
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