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high tensile prestress concrete wire with standard en10138
spiral rib pc steel wire for railway sleeper
skype: anny0970
- Higher breaking loads
- Higher proof loads
- Higher fatigue and corrosion resistance
Better performance at elevated temper
PC steel wire is mainly used for a variety of concrete structure reinforcement, such as large bridges, crane beams, cement poles, prestressed concrete pressure pipe, multi-factory frameworks.
BS5896-1980
|
Diameter and deviation mm |
Nominal size m |
Nominal Weight g/m |
Minimum breaking load KN |
Nominal tensile strength Mpa |
|
4.0±0.04 4.5±0.05 5.0±0.05 6.0±0.05 7.0±0.05
|
12.60
15.90
19.60
28.30
38.50 |
99.9
125
154
222
302 |
21.0 22.3 25.8 32.7 34.7 47.3 50.1 60.4 64.3 |
1670 1770 1620 1670 1770 1670 1770 1570 1670 |
|
0.1% Test load KN |
0.1% Nominal stress test Mpa |
0.1% elongation when the load KN |
The number of repeatedbending |
Elongation Lo=200MM% |
1000 hours of relaxation rate % |
|
17.5 18.5 21.4 27.2 28.8 39.3 41.6 50.1 53.4 |
1390 1470 1350 1390 1470 1300 1390 |
17.9 19.0 21.9 27.8 29.5 40.2 42.6 51.3 54.7 |
Smooth wire
≥4 Nick wire ≥3 |
≥3.5 ≥3.5 ≥3.5 ≥3.5 ≥3.5 |
≤2.5 ≤2.5 ≤2.5 ≤2.5 ≤2.5 |
Category:
Can be pre-stressed wire diameter, the intensity level, the surface coating or cross-section morphological classification:
1. according to diameter and can be categorized as: 4mm, 4.8mm, 5.0mm, 5.1mm, 6.0mm, 6.35mm, 7.0mm, 7.8mm, 8.0mm, 9.0mm, 10.0mm, 11mm, 12mm and so on.
2. according to intensity level can be classified as: 1470MPa, 1570MPa, 1670MPa, 1770MPa and 1860MPa so.
3. in accordance with the surface coating can be classified as: no coating prestressed steel wire, prestressed epoxy coated steel wire and galvanized prestressed steel wire.
4. in accordance with the surface morphology can be classified as: light round prestressed steel wire, spiral rib (spiral ribbed or helix grooved) prestressed steel wire, the pressure wave (crimped) prestressed steel wire or nicks (indented) prestressed steel wire and so on.
5. in accordance with treatment process can be categorized as follows: cold-drawn prestressing steel wire (no slack performance requirements) and low relaxation prestressed steel wire.
A 421/A 421M-05
Tensile Strength Requirements
|
Nominal Diameter,mm (in) |
Tensile Strength,min,Mpa(psi) |
|
Type BA |
Type WA |
|
4.88(0.192) |
|
1725(250 000) |
4.98(0.196) |
1655(240 000) |
1725(250 000) |
6.35(0.250) |
1655(240 000) |
1655(240 000) |
7.01(0.276) |
1620(235 000) |
1620(235 000) |
Yield Strength Requirements
|
Nominal Diameter,mm (in) |
Intial Stress MPa(psi) |
Minimum Stress at 1% Extension,MPa(psi) |
|
Type BA |
Type WA |
||
4.88(0.192) |
200(29 000) |
|
1465(212 500) |
4.98(0.196) |
200(29 000) |
1407(204 000) |
1465(212 500) |
6.35(0.250) |
200(29 000) |
1407(204 000) |
1407(204 000) |
7.01(0.276) |
200(29 000) |
1377(199 750) |
1377(199 750) |
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