Products Introduction
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low relaxation PC strand
1) Type: PC strand, Prestressed concrete steel strand, unbonded PC strand, PC wire
2) Model: 9.3mm/11/12.5/15.2/9.6/11.3/12.9/15.7
3) Construction: 1*7 low relaxation pc strand
4) Standard: BS5896,GB/T5224,GB/T5223
5) W.T: 1.5ton-4ton
6) Length: 1000m-3600m
7) Material: High carton steel wire 82B and 77B
8) Packing: the coil to be packed in damp proof materials strapped with 8 bands on one wooded pallet with an outer lay wooden block underneath each coil
9) Grade: standard 7 wire/super 7 wire
10) Tensile Strength: 1770KN/1670KN/1860KN
11) Usage:
used in the upper plates of bridges;
as cable for special bridges and for the maintenance of bridges;
used as floor and roof reinforcement for sports stadiums; etc.
14) Payment Terms: L/C,T/T
15) Other:
All the production process are made under the ISO 9001-2000 strictly;
Special design according to requirement;
We can provide FE and different diameters and mechanics pc strands according to customer's requirements.
|
TYPE
|
Nominal diameter (mm)
|
Diameter tolerance (mm)
|
Strength grade KN
|
Min.
breaking strength
KN
|
Min
Yield
Strength
KN
|
Min
Elongation
>=500mm
|
Relaxation
|
|
Initial load of min nominal breaking strength
|
1000h value no more than
|
|
Standard
7 wire
|
9.3
11
12.5
15.2
|
+0.3
-0.15
|
1770
1770
1770
1670
|
92
125
164
232
|
85%
Min.
Breaking
strength
|
3.5%
|
60%
70%
80%
|
1.0%
2.5%
4.5%
|
|
+0.4
-0.2
|
|
Super
7 wire
|
9.6
11.3
12.9
15.7
|
+0.3
-0.15
|
1860
1860
1860
1770
|
102
139
186
265
|
|
+0.4
-0.2
|
|
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