STEEL STRAND FOR PRESTRESSED CONCRETE
PC Strand / LRPC Strand is short for low relaxation, high tensile strength, stress-relieved, 7-wire steel strand for prestressed concrete
Technical Specifications:
Diameter: 9.3mm, 9.53mm, 11.1mm, 12.5mm, 12.7mm, 12.9mm, 15.2mm, 15.7mm, 17.8mm, 18.9mm, 21.6mm, 21.8mm
Raw Material: High carbon steel wire rod SWRH77B, SWRH82B and other grade.
Standards: ASTM A416, ABNT NBR 7483: 2008, BS5896-1980, EN10138-3, GB/T5224-2003, IS6006, JISG3536, Aus standard AS4672
Categories: Plain, spiral ribs, indented, galvanized, PE coated, epoxy resin coated.
Grade: 250K / 270K / 290K, Tensile Strength: 1770Mpa / 1860Mpa / 1960Mpa
The 1000h Relaxation is 2.0% max and the elongation is 4.0% min.
Standard export packing and each package roll is 2000-4000kgs.
HDPE Coating: Color is black or blue for your choice;
Thickness ≥ 1.0mm, tensile strength ≥ 30MPa, yield strength ≥ 10MPa, breakage elongation ≥ 600%;
Nominal weight of greased and coated PE strand 1.21kg/m; Weight of corrosion-resistant lubricating grease ≥ 50g/m;
Friction Coefficient of strand and wall: 0.04-0.10; Effect Friction Coefficient on tolerance of per-meter length for strand and wall: 0.003-0.004;
| The specifications and technical parameters |
| Specification |
Tensile Strength
(Mpa) |
Section Area
(mm2) |
Grease mass per meter
(g/m) |
Minimum thickness of coat (mm) |
Friction factor(μ) |
Effect modulus
(k) |
Mass per meter
(kg/m) |
| 1*7-Φ12.70 |
1720 |
98.7 |
43 |
1 |
0.04-0.1 |
0.003-0.004 |
0.875 |
| 1860 |
| 1960 |
| 1*7-Φ15.20 |
1570 |
140 |
50 |
1.21 |
| 1670 |
| 1770 |
| 1860 |
| 1960 |
| 1*7-Φ15.24 |
1860 |
140 |
50 |
| 1*7-Φ15.70 |
1860 |
150 |
53 |
1.3 |
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