Current label: Square tube
Square tube Give you a detailed introduction Square tube Product classification of, including Square tube The purpose, model, scope, pictures, news and price of all products under. At the same time, we have selected Square tube The classified industry information, price quotations, exhibition information, picture materials, etc. have won praise from users nationwide. For more details, please click to visit!
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The difference between seamless square tube and straight seam square tube: where is the big difference between straight seam square tube and seamless square tube? Analysts believe that the accelerated recovery of economic growth is one of the important factors to promote the square tube plate. Previously, there was a strong short selling mood in the US market, but recently, with the release of better than expected economic data from the US, Europe and China, the market mood has improved. Elimination
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Production and manufacturing of square tubes: many defects of square tubes are formed in the process of piercing, so the piercing process of tube blanks is the key process of consuming square tubes. The main difficulty of high alloy piercing is the low piercing performance. In order to ensure the quality, it is necessary to rationally select the deformation parameters of piercing. A small tightening amount will cause instability in the perforation process, so the critical tightening amount per hour should be the first tightening amount
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In order to prevent the square tube from showing the defect of hot cracking, we can take the following eight measures: (1) According to the pipe structure, size, length and width, thickness, etc., design a correct and reasonable gating system structure and setting position. In the process of condensation line shrinkage, ensure the temperature difference is balanced, and then solidify in order to make the square tube shrink normally and freely. (2) According to the mud core structure, the core bone structure shall be manufactured with corresponding rigidity
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Classification of square tube: 1. Q345B square tube impact toughness Galvanized square tube square tube association This website: The load acting on the machine at a high speed is called impact load, and the metal that resists damage under the impact load is called impact toughness. 2. The strength of Q345B rectangular tube refers to the ability of metal materials to resist damage (excessive plastic deformation or fracture) under static load
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Process of seamless rectangular pipe: ① main consumption process of hot rolled seamless rectangular pipe (main inspection process): preparation and inspection of pipe blank → heating of pipe blank → piercing → pipe rolling → reheating of raw pipe → sizing (reducing) → heat treatment → straightening of waste pipe → finishing → inspection (non-destructive, physical and chemical, bench inspection) → warehousing ② cold rolling (drawing) Main consumption process of seamless rectangular tube: blank preparation → pickling
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Commonly used square tube size: for example, the commonly used square tube size of seamless square tube with an outer diameter of 50mm, ⑴ It is generally calibrated in millimeters (mm) of the outer diameter D, inner diameter and wall thickness S of the square tube. ⑵ Each type of square tube has regular different sizes, with 29 types of 32-195mm outer diameter. Another example is the nominal diameter of welded square pipe 2