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China, Chinese High Tensile Strength 7 Wire PC Strand Concretion Prestressing Steel Wire Rope1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsSteel Wire RopeConstruction MaterialSteel Wire Rope
Yuanxian High Tech Materials Trading (Tianjin) Co., Ltd.
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Product Description PRODUCT DISPLAYPRODUCT DISPLAY High Tensile Strength 7 Wire PC Strand 7 Wire PC Strand is the steel strand which has been given a stress-relieving heat treatment.Composited with 7 wires , the diameter of the straight centre-wire is greater than the diameter of the outer helical wires . The latter is tightly spun around the centre wire with a pitch.7 Wire PC Strand is with features, low relaxation , high strength , high elongation. And widely being used in precast area.Commonly available sizes for 7-wire strands include 9.3mm, 11.1mm, 12.7mm, 15.2mm, and 17.8mm. These sizes are often used in prestressed concrete applications such as post-tensioning systems for bridges, buildings, and other large-scale structures. Company ProfileABOUT US Yuanxian High-tech Material is a company serving a worldwide customers base providing innovative and reliable product solution that recognizes the value of customer care. The main activity involves high performance steel and new polymer material field. We give stablity of attention to our customers' needs ,and supply the right product to them.FACTORY STYLE We have an annual supply capacity of 400 thousand tons of high performance special steel material, including pre-stressed concrete wire and strand, anchorage, cermet and raw material, which are widely used in construction of bridge, rail way, highway, subway, tunnel, airport , nuclear power plant, real estate building, geotechnical project, industry building and precision manufacture. PRODUCT SPECIFICATIONPRODUCT SPECIFICATIONOur factory could accord to different standards to produce this product. 1x7 PC Strand available specificationsFull sizes in standards GB/T5224, EN10138:3,ASTM A416,BS5896The main sizes in standards ASTM A779, ISO6934, UNE 36094, JIS G3536, KS D7002, ABNT NBR7483, GOST13840, GOST-R-53772, ASTM A886 1x7 PC Strand : GB/T5224StructureNominal diameterTolerance on DiameterNominal Area of SectionWeight of strandTensile Strength, RmMinimum Breaking load,Fm0,2% proof force , Fp0.2Elongation Lo=500mm, AgtCurvative of strandLay LengthThe Relaxation at 1000h (initial load to 70% of nominal max load ) (r/%) Not more than(mm)(mm)(mm2)(kg/1000m)(N/mm2)KNKN(%)mmmm1X79.5+0.30-0.1554.8430186010291.83.5Max bow height = 25mm/ 1meter(12-16)d2.59.554.8430196010796.311. 1074.2582186013812411. 1074.2582196014513112. 70+0.40-0.1598.7775186018416612. 7098.7775196019317415.21401101186026023415.21401101196027424715. 701501178186027925117. 8019115001860353318(1X7)C12. 70112890186020818715. 20165129518203002701822317501720384346 1x7 PC Strand: ASTM A416GradeNominal diameterTolerance on DiameterNominal Area of SectionWeight of strandTensile StrengthMinimum Breaking loadMinimum load at 1% ExtensionRp0.1%Elongation Lo=610mmCurvative of strandLay LengthThe Relaxation at 1000h (initial load to 70% of nominal max load ) (r/%) Not more than(mm)(in.)(mm)(mm2)(in.2)(kg/ 1000m)(lb/ 1000ft)(N/mm2)(KN)(KN)(KN)(%)mm270(1860)9.533/8+0.65,-0.1554.80.0854322901860102.392.1N/A3.5Not Specified(12-16)d2.511.117/16+0.65,-0.1574.20.1155823901860137.9124.1N/A12.71/2+0.65,-0.1598.70.1537755201860183.7165.3N/A15.243/5+0.65,-0.151400.21711027401860260.7234.6N/A17.787/10+0.65,-0.15189.70.294148710001860353.2318N/A 1x7 PC Strand : EN10138:3,Steel NameSteel NumberDiameterTensile strengthCross-sectional areaMass per meterPermitted deviation on mass per meterCharacteristic value of maximum forceMaximum value of maximum forceCharacteristic value of 0.1% proof forceMin.Elong. Lo=500mmCurvative of strandLay LengthRelaxation 1000h value no more than (initial load at 70% specified breaking load)DRmSnMFmFm,maxFp0.1mmMPamm2g/m%kNkNkN%mmmm(%)Y1860S71.13669.3186052406.1±296.711185.13.5Max bow height = 25mm/ 1meter(14-18)d2.5Y1860S71.136612.5186093726.3±2173199152Y1860S71.136615.218601391086±2259298228Y1860S71.136615.718601501172±2279321246Y1960S71.13679.3196052406.1±210211791Y1960S71.136712.5196093726.3±2182209162Y2060S71.136812.5206093726.3±2192221171Y2060S71.136812.92060100781±2206237183Y2060S7G*1.137212.71860112874.7±2208239183Y2060S7G*1.137215.218601651289±2307353270Y1700S7G*1.1371817002231742±2379436334 Our Advantages 7-wire PC (prestressed concrete) strand offers several advantages in the construction industry, making it a preferred choice for various applications. Here are the key advantages of using 7-wire PC strand: 1. Increased Structural Strength: 7 wire PC strand provides high tensile strength to reinforced concrete structures. By introducing pre-compression into the concrete, it enhances the structural strength and load-bearing capacity. This allows for the construction of longer spans, thinner sections, and taller structures without sacrificing stability and safety.2. Improved Flexibility in Design: The use of 7 wire PC strand allows for greater design flexibility. The pre-compression introduced by the strand allows for the reduction or elimination of traditional reinforcement, resulting in slimmer and more aesthetically pleasing designs. It enables the creation of innovative architectural elements and the optimization of material usage.3. Enhanced Durability: 7-wire prestressed concrete strand helps increase the durability of concrete structures. By counteracting tensile forces that develop over time, it minimizes the risk of cracking and deformation in concrete members. This extends the service life of the structure and reduces maintenance and repair costs over the long term.4. Improved Load Distribution: The pre-compression introduced by 7-wire PC strand helps distribute loads more efficiently throughout the structure. It reduces stress concentrations in critical areas, ensuring a more uniform distribution of forces. This results in improved overall structural performance and a reduced likelihood of localized failures.5. Controlled Deflection: 7-wire PC strand helps control and limit deflection in concrete structures. The pre-compression counteracts deflection caused by external loads, minimizing sagging or bending. This is particularly important in applications where stringent deflection criteria need to be met, such as in bridges or floors with specific design requirements.6. Faster Construction: The use of 7-wire strand allows for faster construction compared to traditional reinforcement methods. The strand is typically tensioned and anchored after the concrete has cured, reducing the time required for formwork, concrete curing, and overall project completion. This can result in cost savings and earlier occupancy or utilization of the structure.7. Optimized Material Usage: By strategically placing 7-wire PC strand in areas subjected to high tensile stresses, the need for additional reinforcement can be minimized. This optimizes material usage, reducing material quantities and associated costs.8. Improved Crack Control: 7 wire strand helps control and limit crack widths in concrete structures. By introducing compressive stresses, it counteracts tensile stresses, reducing the likelihood and width of cracks. This is particularly important in structures where crack control is essential, such as water-retaining structures or structures exposed to aggressive environments. APPLICATION7 wire PC (prestressed concrete) strand is a type of high-strength steel strand commonly used in various construction applications. It is primarily used in prestressed concrete structures to provide strength and stability. Here are some of the key uses and applications of 7-wire PC strand: 1. Post-Tensioning Systems: 7-wire PC strand is widely used in post-tensioning systems for reinforcing concrete structures. It is typically installed in precast or cast-in-place concrete elements such as beams, slabs, columns, and bridges. The strand is tensioned and anchored to introduce pre-compression into the concrete, enabling it to withstand tensile forces and minimize cracking.2. Bridges: 7 wire PC strand is extensively employed in the construction of bridges. It is used in the construction of bridge decks, girders, and other structural components. By incorporating prestressed concrete technology with the use of 7-wire PC strand, bridges can achieve longer spans, increased load-bearing capacity, and improved structural performance.3. Buildings: 7-wire strand finds applications in various types of buildings, including commercial, residential, and industrial structures. It is used to reinforce and prestress concrete elements such as beams, slabs, and foundation systems. The prestressed concrete components offer enhanced structural integrity, reduced deflection, and increased resistance to cracking, contributing to the overall stability and durability of the building.4. Parking Structures: 7 wire strand is commonly utilized in the construction of parking structures such as parking garages and parking decks. It provides the necessary reinforcement to support the heavy loads and dynamic forces experienced in parking facilities. The prestressed concrete elements created with 7-wire PC strand help ensure long-term performance, minimize maintenance needs, and maximize space utilization.5. Railway Sleepers: A high tensile strength 7 wire PC strand is used in the production of prestressed concrete railway sleepers, also known as railroad ties or crossties. The strand is tensioned and embedded within the concrete sleeper to enhance its load-bearing capacity, resist rail movement, and provide durability under the demanding conditions of railway tracks.6. Infrastructure Projects: 7 wire prestressed concrete strand is employed in various infrastructure projects such as tunnels, dams, water treatment plants, and power stations. It reinforces critical concrete elements, ensuring structural stability and longevity in demanding environments.Packaging & ShippingPRODUCT PACKAGING FAQQ1: What is your MOQ?A: Usually our MOQ is one container, but it is different for some items, please contact us for details.Q2:What is your terms of payment?A:We usually accept T/T at sight, L/C. If you prefer other payments terms, please discuss.Q3:What is your delivery time?A:For products in stock, we can ship it within 7 days after receiving the deposit. For custom order, production time is 15-30 workdays after received the deposit.Q4:How could you guarantee your products?A:Mill Test Certification is supplied with shipment, We also accept and support the third-party inspection.Q5: Will all costs be clear?A:Our quotation is easy to understand and will not incur any additional costs.
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