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Low Relaxation Pre-Stressed Concrete Steel Wire
Low Relaxation Pre-Stressed Concrete Steel Wire   Low Relaxation Pre-Stressed Concrete Steel Wire
 
SPEC Type Diameter
(mm) 		Tolerance (mm) Breaking Load
(kgf)↑		 Yield Strength
(kgf)↑		 Elongation
(%)↑		 Relaxation Ratio
(%)↓		 Round Area
(mm2)		 Unit Weight
(kg/km)
JIS
G3536
&
CNS
3332		 SWPR1
&
SWPD1

4.0

+/- 0.04

2150

1900

3.5

2.5

12.57

98.7

5.0

+/- 0.05

3250

2850

4.0

2.5

19.64

154

6.0

+/- 0.05

4500

3950

4.0

2.5

28.27

222

7.0

+/- 0.05

5950

5200

4.5

2.5

38.48

302

9.0

+/- 0.06

9200

7950

4.5

2.5

63.62

499

ASTM
A 421

BA
&
WA

4.88

+/- 0.05

    /3290

    /2795

4.0

2.5

18.70

146.8

4.98

+/- 0.05

3285/3425

2795/2910

4.0

2.5

19.48

153

6.35

+/- 0.05

5345/5345

4545/4545

4.0

2.5

31.67

248.7

7.01

+/- 0.05

6375/6375

5420/5420

4.0

2.5

38.59

303
 
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