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Basic knowledge of Luoshan steel strand
Time:
Mar 24,2024
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Real work, hard work, the Chinese dream is ahead! Thanks to Luoshan's highway, railway, long-span viaduct and other large-scale engineering project customers and friends for paying attention to the product information of Henan star steel cable Luoshan steel strand. You are also welcome to put forward valuable opinions, concentrate your efforts to create brilliance, and jointly promote the international competitiveness of made in China! If you have any questions about the star steel cable Luoshan steel strand, please dial the phone number of the star steel cable Luoshan steel strand technical engineer [15838387366]. The star steel cable Luoshan steel strand is willing to join hands with Luo Shan's friends to realize the Chinese dream!
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Q: prestressed steel strand quality is good or bad and what factors?
Answer: Hello, friends of Luoshan Steel Strand! When purchasing prestressed steel strand products, many people hope to purchase products with guaranteed quality. However, in the actual procurement process, the quality and what factors have become the content that buyers are very concerned about. From the perspective of actual procurement, there is no direct relationship between quality and steel wire quality.
However, when purchasing, the intensity of the situation has become the content that needs to be considered. After the intensity can be well guaranteed, the results in use can be better. Especially in the anchoring operation, too high strength will often have a certain impact, so the strength is not too high is also very necessary. Combined with these related knowledge, the prestressed steel strand can achieve a very ideal meaning in terms of quality judgment. Therefore, it is necessary for every buyer to think about the knowledge in these purchases from multiple angles and make ideal judgments. Only in this way can they buy better products.
Q: the role of steel strand?
Answer: Steel strands are used to produce prestressed concrete. Generally, prefabricated beams and prefabricated slabs for bridges are also used in some construction projects. Steel strands are usually used in combination with prestressed clips and prestressed anchors. Steel strands are usually used for load-bearing cables, cables, reinforced cores, etc.
Q: the use of steel strand pay attention to matters?
Answer: 1. Any form of heating and deformation measures is strictly prohibited in the use of prestressed steel, so as not to reduce the mechanical properties of prestressed steel. 2. Welding is strictly prohibited in use, because the strength of the welding spot is much lower than that of the steel itself, which is easy to cause wire breakage at the welding spot during tensioning. 3. The cutting of prestressed steel should use no tooth data (grinding wheel card). The use of electric and gas welding cutting is easy to damage the surface around the steel. At the same time, the end of the local heating, so that the performance is significantly reduced. 4. The steel strand packaged in a coil without shaft shall be paid off from the inner ring in a vertical state, and the steel strand after being drawn out shall be spring-shaped and straightened automatically. Tap direction: the spiral direction of the spring shape after the tap is consistent with the twist direction of the stranded wire, otherwise it will be twisted or twisted. 5. The twist direction of the steel strand is generally left twist, and right twist should be indicated in the contract, otherwise it will directly affect the coordination with the anchorage. 6. The quality of prestressed steel wire head is not directly related to the quality of the steel wire itself, but too high strength will not be conducive to the quality of the steel wire head. Therefore, when you choose the head anchor, you should explain it to our company in the order.
Q: the classification of steel strand?
Answer: The most commonly used steel strands are galvanized steel strands and prestressed steel strands. The diameter of commonly used prestressed steel strands is in the range of 9.53 mm-17.8mm, with a small number of thicker steel strands. The steel wires in each prestressed steel strand are generally 7, and there are also 2, 3 and 19 wires. The steel wires can have metal or non-metal anti-corrosion layers.
q: steel strand production methods?
Answer: The manufacturing process is divided into monofilament manufacturing and stranded wire manufacturing. When making monofilament, (cold) wire drawing technology is adopted. According to the different materials of the product, it can be high carbon steel wire rod, stainless steel wire rod or medium and low carbon steel wire rod. If galvanizing is required, electroplating or hot-dip plating should be carried out on monofilament. In the process of strand manufacturing, multiple steel wires are twisted into products by stranding machine. The prestressed steel strand needs to be continuously stabilized after forming. The final product is generally collected on the I-wheel or completed by shaftless roll.
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Henan star steel cable, in order to build the industry's excellent brand for their own responsibility, bearing the spirit of craftsmen, is exquisite products! Since its establishment, Henan xingxing steel cable, a supplier of Luoshan steel strand, has been rooted in the field of [large-scale engineering projects such as expressways, railways, large-span viaducts]. craftsmen have built dreams to open up a new bureau and created [steel strand] series of brand products! Each of your telephone consultation, every time to discuss cooperation, is the power of the star cable people forward! A hundred years of journey to build the foundation, a hundred years of dream will be achieved, hand in hand to help the Chinese dream!
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Mar 22,2024
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