7mm 1670MPa Prestressed Wire

• Type: Special Wire
• Function: Strengthen
• Material: Metal
• Certification: CE, ISO, BV
• Category: Smooth Plain, Spiral Ribs, Indented, Crimped
• Tensile Strength: 1470MPa, 1570MPa, 1670MPa, 1770MPa, 1860MPa
• Model NO.: 3.0mm - 10.0mm
• Standard: Astma421, BS5896, En10138, GB/T5223, JIS G3536, Ks
• GB/T5223-2002: 4mm, 4.8mm, 5mm, 6mm, 6.25mm, 7mm, 8mm, 9mm
• JIS G3536-2008: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm
• BS5896-1980: 4mm, 5mm, 6mm, 7mm
• Raw Material: High Carbon Wire Rod
• Steel Grade: Swrh77b, Swrh82b
• Export Packing: Baling Strip, Plastic Cover, PP Packing Cloth
• Package Weight: in Coils, Weight 800-1600 Kgs
• Transport Package: Export Packing
• Specification: 4mm 4.8mm 5.0mm 6.0mm 7.0mm 9.0mm
• Trademark: DaQiang
• Origin: Tianjin, China (Mainland )
• HS Code: 72171000
• Production Capacity: 80 Tons/Day

Product Description

Pre-stressed Wire / Pre-stressing Wire / PC Wire / LRPC Wire/ HT Wire / HTS Wire

Description: steel wire for pre-stressed concrete (PC Wire), steel wire for pre-stressing of concrete (PC Wire), pre-stressed concrete wire (PC Wire), pre-stressing of concrete wire (PC Wire), low relaxation wire (LR Wire), stress relieved wire (SR Wire), high tensile steel wire (HTS Wire), high tensile strength wire (HTS Wire), high carbon wire (HC Wire), high carbon steel wire (HCS Wire)

Standards: ASTMA421-2010, ASTM A648, ASTM A821, ASTM A881, AASHTO M 204-2014, AS 1310:1987, ABNT NBR7482, BS5896-2012, CSN 42 6448-1988, EN10138-2: 2009, EN ISO 15630-2019, GB/T5223-2014, IS 1785 Pt.1-1983, ISO 6934-1991, JISG3536-2014, JIS G 3538-1994, KSD7002-2019, KSD ISO6934-2014, NEN3868-2001, NF A03-720-1:2010, SNI 1155-2011, SIS SS 21 25 22-1987, TCVN 6284-1997, TIS 420-1997, UNE36094-1997, UNE 36814:2003 IN

Diameter: 2.5mm, 2.64mm, 2.8mm, 3.0mm, 3.2mm, 3.4mm, 3.8mm, 4mm, 4.2mm, 4.8mm, 5mm, 6mm, 7mm, 7.5mm, 8mm, 9mm, 10mm, 11mm, 12mm 
Raw Material: High carbon steel wire rod SWRH77B, SWRH82B and other grade.
Type: hard drawn wire, cold drawn wire, plain wire, smooth wire, spiral ribs wire, spiral ribbed wire, helical ribs wire, helical ribbed wire, indented wire, indentation wire, triple indented wire, two sides indented wire, four sides indented wire, Belgan indented wire, Von Moos indented wire, lintel indented wire, crimped indented wire.  
Tensile Strength: 1470MPa, 1570MPa, 1670MPa, 1770MPa, 1860MPa etc.
Relaxation: Initial load at 70% breaking low, Relaxation on 1000 hours: 2.5% max
Lo=200mm, Min Elongation at breakage: 3.5% min
Packing Method: in coils / rolls, by baling strips and plastic cloth
Packing Size: big coils 2200-2300mm, small coils 600-800mm     
Package Weight: 700-900ks, 1000-1300kgs, 2200-2500kgs 

Application: electricity concrete poles, railway sleeper, subway track board, concrete piles, beams, girders, slabs, hollow floor board, double-T board, PHC, PPCP, cement pipes, mattress etc.  
 

Diameter (mm)	2.5 3.0 3.2 3.4 3.8	4.0 4.8 5.0 6.0 7.0	7.5 8.0 9.0	10.0 11.0 12.0
Grade (MPa)	1770-1860	1670-1770	1570-1670	1470-1570

 

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