9.4mm High Carbon Steel Ht Spiral Wire

9.4mm High Carbon Steel HT Spiral Wire 



High Carbon Steel HTS Wire for Pre-tensioning Precast Prestressed Concrete
Description: steel wire for pre-stressed concrete, pre-stressing steel wire, high carbon steel wire for pre-tensioning, high tensile low relaxation steel wire, stress-relieved steel wire
Diameter: 3mm, 3.2mm, 3.4mm, 3.8mm, 4mm, 4.2mm, 4.8mm, 5mm, 6mm, 7mm, 7.5mm, 8mm, 9mm, 9.4mm, 10mm, 11mm, 12mm
Raw Material: high carbon steel wire rod SWRH77B, SWRH82B and other grade.
Standard: ASTMA421, AS/NZS4672, ABNT NBR7482, BS5896-1980, EN10138-2, GB/T5223, JIS G3536, KSD 7002
Surface: plain/smooth, spiral/helical ribs, indent
Tensile Strength: 1470Mpa, 1570Mpa, 1670Mpa, 1770Mpa, 1860Mpa.
Relaxation on 1000 hours: 2.5% max; Elongation at breakage: 3.5% min
Export Packing: baling strip, inside plastic cover, outside PP packing cloth;
Package Weight: 800kg-1600kg
Application: cement electricity poles, railway sleeper, subway track board, concrete piles, beams, girders, slabs, hollow floor board, double-T board, PHC, PPCP. 


 

Technical Specifications and Parameters
Diameter (mm)	Tolerance (mm)	Tensile Strength Min (MPA)	Yield Strength Min (σp0.2/MPA)	Elongation at breaking load (Lo=200mm) Min (%)	Bending Times Min	Bending Radius R/mm	Relaxation Value
							The relaxation at 1000h (Initial load to 70% of breaking load) Max (%)
3.5	±0.05	1470 1570 1670 1770 1860	1290 1380 1470 1560 1640	3.5	4	15	2.0
4.0
4.8
5.0
6.0	±0.05	1470 1570 1670 1770	1290 1380 1470 1560		4	15
7.0						20
7.5
8.0	±0.06	1470 1570 1670	1290 1380 1470		4	20
9.0						25

 

Dimensions and Tolerance of Spiral Ribbed PC Wire
Nominal Dia.	No.of Helix	Lining Dia.	Width of single	Section Area	Re. Mass per meter
(mm)	Ribs	Tolerance (mm)	Rib (α/mm)	mm2	(g/m)
4.00	4	3.85±0.05	0.90~1.30	12.57	98.6
4.80	4	4.60±0.55	1.30~1.70	18.09	142
5.00	4	4.80±0.05		19.63	154
6.00	4	5.80±0.05	1.60~2.00	28.27	222
6.25	4	6.0±0.05		30.68	241
7.00	4	6.73±0.05	1.80~2.20	38.48	302
7.50	4	7.26±0.05	1.90~2.30	44.18	347
8.00	4	7.75±0.05	2.00~2.40	50.26	394
9.00	4	8.75±0.05	2.10~2.70	63.62	499
9.50	4	9.30±0.05	2.20~2.80	70.88	556
10.00	4	9.75±0.05	2.50~3.00	78.54	616
11.00	4	10.76±0.05	2.60~3.10	95.03	746
12.00	4	11.78±0.05	2.70~3.20	113.1	888