Spiral Ribs Steel Wire for Prestressed Concrete

• Material: Steel Wire
• Cross Sectional Shape: Round
• Application: Construction Wire Mesh
• Transport Package: Export Packing
• Specification: GB, ASTM, DIN, BS, JISG
• Trademark: DaQiang
• Model NO.: 5mm
• Origin: Tianjin, China

Product Description

Spiral Ribs steel wrie 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

The specifications and technical parameters
Nominal Dia  (dn/mm)	Tolerance	Tensile 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	±0.05	1470 1570 1670 1770 1860	1290 1380 1470 1560 1640	3.5	4	15	2.0
5.0
6.0	±0.05	1470 1570 1670 1770	1290 1380 1470 1560		4	15
6.25
7.0						20
8.0	±0.06	1470 1570	1290 1380		4	20
9.0						25