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Spiral Ribs Steel Wire for Prestressed Concrete

China Spiral Ribs Steel Wire for Prestressed Concrete, Find details about China 5mm Spiral Steel Wire, Astma416 Pc Wire from Spiral Ribs Steel Wire for Prestressed Concrete

Model NO.
5mm
Model NO.
5mm
Spiral Ribs steel wrie for prestressed concrete
Spiral Ribs Steel Wire for Prestressed Concrete
Specifications:
Diameter-3.2, 4.0, 4.8, 5.0, 6.0, 6.25, 6.7, 7.0, 8.0, 9.0
Surface-round plain, spiral ribbed
Brand name: Daqiang
Place of origin: Tianjin, China
Standards: Astma421/A421m-2005, bs5896-1980, JIS g3536-1999, GB/t5223-2002
Tensile strength :1470mpa, 1570mpa, 1670mpa, 1770mpa
Material -swrh 77b, 82b steel wire rod
Package -baling strip, wrapped in anti-rust plastic paper, PP woven cloth
Wgight - 0.4 mt to 2.0 mt per coil
Productivity -3000mt per month
Spiral Ribs Steel Wire for Prestressed ConcreteSpiral Ribs Steel Wire for Prestressed Concrete
The specifications and technical parameters
Nominal Dia
 (dn/mm)		ToleranceTensile Strength
 σb/MPA Not less than		Yield Stength 
(σp0.2/MPA)
Not less than 		Elongation at max load 
(Lo=200mm)
δgt/%
Not less than		Bending Times
Not less than 		Bending Radius 
R/mm		Relaxation Priperties
The relaxation at 1000h 
(initial load to 70% of nominal tensile strength ) (r%)
 Not more than 
4.8±0.051470
1570
1670
1770
1860		1290
1380
1470
1560
1640		3.54152.0
5.0
6.0±0.051470
1570
1670
1770		1290
1380
1470
1560		415
6.25
7.020
8.0±0.061470
1570		1290
1380		420
9.025

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