- Contact Person : Mr. Liu Jason
- Company Name : Tianjin Dingxin Prestressed Steel Strand Co., Ltd.
- Tel : 86-022-68666188
- Fax : 86-022-68661988
- Address : Tianjin,Tianjin,North of Jingwang Road, West of Dafengdui Village, Dafengdui Town, Jinghai County
- Country/Region : China
- Zip : 301600
SPIRAL PC WIRE
SPIRAL PC WIRE :
We are a profressional manufacturer of Prestressed concrete wire in China.
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) |
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 |
GB/T 5223-2002
Nominal Diameter Dn/mm | The number of spiral ribs | Base circle size | Size of the outer contour | Single-rib size | Spiral rib Lead | ||
Base diameter D1/mm | Tolerance /mm | Diameter of the outer contour D/mm | Tolerance /mm |
Width a/mm | C/mm | ||
4.00 | 4 | 3.85 | ±0.05 | 4.25 | ±0.05 | 0.90-1.30 | 24-30 |
4.80 | 4 | 4.60 | 5.10 | 1.30-1.70 | 28-36 | ||
5.00 | 4 | 4.80 | 5.30 | ||||
6.00 | 4 | 5.80 | 6.30 | 1.60-2.00 | 30-38 | ||
6.25 | 4 | 6.00 | 6.70 | 30-40 | |||
7.00 | 4 | 6.73 | 7.46 | ±0.10 | 1.80-2020 | 35-45 | |
8.00 | 4 | 7.75 | 8.45 | 2.00-2.40 | 40-50 | ||
SPIRAL PC WIRE
