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Prestressed Concrete Steel Strand
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Name:Prestressed Concrete Steel Strand
Model:FY46
Date:2011.12.02
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 Product details |
Products Introduction
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TYPE
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Nominal diameter (mm)
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Diameter tolerance (mm)
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Strength grade KN
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Min.
breaking strength
KN
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Min
Yield
Strength
KN
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Min
Elongation
>=500mm
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Relaxation
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Initial load of min nominal breaking strength
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1000h value no more than
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Standard
7 wire
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9.3
11
12.5
15.2
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+0.3
-0.15
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1770
1770
1770
1670
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92
125
164
232
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85%
Min.
Breaking
strength
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3.5%
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60%
70%
80%
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1.0%
2.5%
4.5%
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+0.4
-0.2
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Super
7 wire
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9.6
11.3
12.9
15.7
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+0.3
-0.15
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1860
1860
1860
1770
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102
139
186
265
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+0.4
-0.2
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TYPE
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Nominal diameter (mm)
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Diameter tolerance (mm)
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Norminal area
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Min.
breaking strength
KN
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Min
Yield
Strength
KN
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Min
Elongation
>=500mm
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Relaxation
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Initial load of min nominal breaking strength
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1000h value no more than
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Common
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9.3
10.9
12.7
15.2
18
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±０.４
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52
71
94
139
199
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94
125
165
227
311
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85%
Min.
Breaking
strength
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3.5%
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70%
80%
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2.5%
4.5%
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Super
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9.3
10.9
12.7
15.2
18
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±０.４
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55
75
100
143
199
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102
138
184
250
338
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Extra-high
tensile
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15.2
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±０.４
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143
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261
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grade
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Nominal diameter (mm)
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Diameter tolerance (mm)
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Norminal
Section
area
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Min.
breaking load
KN
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Min load at 1% extension
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Min
Elongation
>=610mm
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The relaxation at 1000h (initial load to 70% of norminal max load
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Low
relaxation
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Normal relaxation
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250
(1725)
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9.5
11.1
12.70
15.20
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+0.40
-0.40
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51.6
69.7
92.9
139.4
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89
120.1
160.1
240.2
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80.1
108.1
144.1
216.2
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3.5%
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2.5
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3.5
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270
(1860)
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9.53
11.11
12.70
15.24
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+0.65
-0.15
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54.84
74.19
98.71
140.00
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102.3
137.9
183.7
260.7
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92.1
124.1
165.3
234.6
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