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Help Center[manufacturer] Steel Spiral Wire Rope for Prestressed Concrete Construction
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PC Wire------PC Spiral Wire:
(1) Standard: GB/T5223-2014, ASTM A421, EN10138, BS5896,JISG3536, AS/NZS4672, NBR-7483
(2) Raw Material: SWRH 77B, 82B high carbon steel wire rod
(3) Stress-relieved high-tensile-strength and low-relaxation prestressed concrete wire
(4) Surface of PC Wire: Plain, Spiral, Intented
(5) 25-27 tons/20' container, according to customer's requirements
(6) Application: Used for prestressed concrete railway sleeper,large-span bridges , large-scale cement water pipe,
coal mines, telegraph pole, overhead crane beam, rock-soil anchoring project,etc.
PC Spiral WireTechnical Specifications(A):
Nominal diameter mm | Rib number | Base size | Outer size | Rib size | Lead of helix | ||
Base diameter mm | Tolerance mm | Outer diameter mm | Tolerance mm | Width mm | |||
4.00 | 4 | 3.85 | ±0.05 | 4.25 | ±0.05 | 0.90~1.30 | 24~30 |
4.80 | 4 | 4.60 | 5.10 | 1.30~1.70 | 28~36 | ||
5.00 | 4 | 4.80 | 5.30 | ||||
6.00 | 4 | 5.80 | 6.30 | 1.60~2.00 | 30~38 | ||
6.25 | 4 | 6.00 | 6.70 | 30~40 | |||
7.00 | 4 | 6.73 | 7.46 | ±0.10 | 1.80~2.20 | 35~45 | |
7.50 | 4 | 7.26 | 7.96 | 1.90~2.30 | 36~46 | ||
8.00 | 4 | 7.75 | 8.45 | 2.00~2.40 | 40~50 | ||
9.00 | 4 | 8.75 | 9.45 | 2.10~2.70 | 42~52 | ||
PC Spiral WireTechnical Specifications(B):
Nominal diameter mm | Tensile strength Grade MPa | Minimum breaking strength kN ≥ | 0.2% yield strength kN ≥ | Elongation % ≥ | Repeated bending | Relaxation | ||
Bending frequency times/180° ≥ | Bending radius | Initial load/ max actual load % | Relaxation rate 1000h % ≤ | |||||
4.00 | 1570 | 19.73 | 17.37 | 3.5 | 3 | 10 |
70
80 |
2.5
4.5 |
4.80 | 28.41 | 25.00 | 4 | 15 | ||||
5.00 | 30.82 | 27.12 | 4 | 15 | ||||
6.00 | 44.38 | 39.06 | 4 | 15 | ||||
6.25 | 48.17 | 42.39 | 4 | 20 | ||||
7.00 | 60.41 | 53.16 | 4 | 20 | ||||
7.50 | 69.36 | 61.04 | 4 | 20 | ||||
8.00 | 78.91 | 69.44 | 4 | 20 | ||||
9.00 | 99.88 | 87.89 | 4 | 25 | ||||
4.00 | 1670 | 20.99 | 18.47 | 3 | 10 | |||
5.00 | 32.78 | 28.85 | 4 | 15 | ||||
6.00 | 47.21 | 41.54 | 4 | 15 | ||||
6.25 | 51.24 | 45.09 | 4 | 20 | ||||
7.00 | 64.26 | 56.55 | 4 | 20 | ||||
7.50 | 73.78 | 64.93 | 4 | 20 | ||||
8.00 | 83.93 | 73.86 | 4 | 20 | ||||
9.00 | 106.25 | 93.50 | 4 | 25 | ||||
Company Profile:
Qingdao Ruisong Wire Rope Co., Ltd is one of the best and largest manufacturer in China, specialized in producing PC strand, PC wire and various cold drawn steel wires. She is set up in march, 2005with an occupied area of 28300 square meters and a construction area of 1600 square meters. Registered capital is 40 million and fixed assets are RMB220 million. There are 110 workers, 20 engineers with senior technical post title, who all have more than ten years experience in the field of steel manufacturing industry.
Our company has been approved by ISO9001-2008 and received the license of industrial production issued by the country. We invests to import the most advanced production lines and inspecting equipments to ensure high quality products, which accord with GB, ASTM,EN and international standards. Our annual turnover of PC strand and wire is over 120,000 tons and are widely used in prestressed concrete railway sleeper, large-span bridge, city overpass, large-scale cement water pipe and various industrial and commercial buildings.
Our products are well adopted by many significant national projects, like LuoZhan Railway, HongNing Railway, Jiao-Ji passenger trasnport railway special line, Ya-Hu Railway,YanBa Railway,GuangBa Highway, Shi-Tian Highway, An-Mao Highway, Qing-Lan Highway, Shanghai orbit line, JiaoXin Railway, BaoXi Railway, Hening Railway, etc. Also,our products have been exported to many countries, like America, Russia, Australia, India, Pakistan,Egypt, Burma, Vietnam, Middle East, etc. We are well recognized and praised by numerous customers both home and abroad because of our first-class quality, in-time delivery and high-efficiency service.
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