2023-12-29 The process of pickling seamless steelpipes involves immersion pickling, spray pickling, and acid paste rust removal. The dipping pickling method is commonly used, while the spraying method is suitable for mass production. Steel parts are pickled in a 10% to 20% (volume) sulfuric acid solution at a
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2023-12-29 First: welding processIn terms of the welding process, the welding methods of spiral steel pipes and straight seam steel pipes are the same, but straight seam steel pipes will inevitably have many T-shaped welds, so the probability of welding defects is also greatly increased, and the welding residu
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2023-12-28 The life evaluation of seamless tubes depends on many factors, such as the use environment, chemical properties, mechanical properties, surface treatment, etc. The following are some commonly used evaluation methods:1. Corrosion testCorrosion is one of the main factors that reduce the service life o
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2023-12-28 1. During the steel pipe forming process, the steel plate deforms evenly, with small residual stress and no scratches on the surface. The processed steel pipe has greater flexibility in the diameter and wall thickness of the steel pipe size range, especially in the production of high-grade thick-wal
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2023-12-27 When choosing between carbon steel pipes and aluminumalloy pipes, it is important to consider their respective characteristics. When using carbon steel pipes, it is possible to cut them using equipment. Additionally, it is worth noting that carbon steel pipes are relatively inexpensive to produce an
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2023-12-27 How to pack spiral steel pipes when transporting them has always been an issue that needs attention. Next, let’s talk about the precautions for packaging spiral steel pipes.1. If the purchaser has special requirements for the packaging materials and packaging methods of spiral steel pipes, they shou
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2023-12-26 (1) Material CompositionThe material composition of Schedule 40 pipes significantly influences their pressure ratings. Common materials include PVC, CPVC, and steel. Each material has distinct properties that affect how well the pipe can withstand pressure.(2) Temperature ConsiderationsTemperature p
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2023-12-26 Analysis of the main reasons for the decline in quality of steel bending pipe and methods of attention. When the pipe is purely bent, under the action of the external force distance M, the outer arm wall of the neutral layer of the pipe is thinned by the tensile stress &1, and the inner side is subj
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