BRIEF INTRODUCTION
Unbonded prestressed steel strand is mainly used in post-tensioning prestressed system. The difference between unbonded prestressed steel strand and bonded steel strand is that the prestress does not bond with the surrounding concrete, because there is grease and sheath outside.
During its work, the steel strand is allowed to slide longitudinally relative to the surrounding concrete, and the preload is transmitted to the concrete by the anchorage.
Unbonded steel strands are used for cast-in-place floors of large-span and large bay buildings, prefabricated beams with large loads and other special structures. It has the characteristics of no need to reserve holes, grouting, simple construction, material saving, random bending, etc.
KEY PARAMETERS
|
Product Name |
Unbonded PC Strand; PE Coated Strand |
|
Standard |
ASTM A 416, BS 5896, JIS 3536, AS/NZS4671, EN10138, KSD7002, MS1138:PART4:2007 ..etc |
|
Type of Surface |
PE Coated, Color: Black, yellow, blue,red |
|
Diameter |
9.53mm; 12.7mm; 15.2mm; 15.7mm etc |
|
Packaging |
Corrision Resistance Coi; Eye to Sky |
|
Coil weight |
2.0-3.5 tons (as per request) |
|
Elongation |
No less than 3.5% |
|
Tensile Strength |
1770Mpa; 1860Mpa |
|
Minimum order |
One Coil |
|
Payment terms |
T/T or L/C |
FACTORY DISPLAY
MILL TEST REPORT
Before the cargoes leave factory, we will sample and test each roll, and the test report will be provided in both Chinese and English versions. At the request of the customer, a tensile curve graph can also be provided.
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