Stress Relieved High Tensile Steel Wire

• Material: Steel Wire
• Cross Sectional Shape: Round
• Application: Electric Pole
• Metal Wire Drawing: Cold Drawing
• Raw Material: High Carbon Steel Wire Rod
• Diameter: 7.0mm
• Model NO.: 3mm-10mm
• Product Standard: ASTM A421, BS5896, En10138, GB/T5223, Jisg3536
• Transport Package: Export Packing
• Specification: 3mm-10mm
• Trademark: DaQiang
• Origin: Tianjin, China
• HS Code: 72171000
• Production Capacity: 2000 Ton/Month

Product Description

stress relieved high tensile steel wire

Diameter: 3.0, 3.2, 3.4, 3.8, 4.0, 4.8, 5.0, 6.0, 7.0, 7.5, 8.0, 9.0, 9.4, 10.0 mm
Raw Material: high carbon wire rod SWRH77B, SWRH82B and others
Standard: ASTMA421, AS/NZS4672, BS5896, EN10138-2, GB/T5223, JISG3536, NBR7482
Surface: round plain / smooth, spiral/helical ribs/ribbed
Tensile Strength: 1470, 1570, 1670, 1770, 1860 MPa 
If intial load at 70% breaking load, the relaxation at 1000 hours: 2.0-2.5% max
Elongation at breakage: 3.5-4.0% min
Export Packing: baling strip, inside plastic cover, outside PP packing cloth
Package Weight: 800-1500 KGS 
Application: cement concrete poles, piles, beams, girders, slabs, double-T board, hollow floor board, PHC, PPCP, railway sleeper, subway track board. 

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
4.0	±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