Notícias de produtos

  • Low carbon steel banded structure

    Low carbon steel banded structure

    There are a variety of low-carbon steel parts mechanical purposes, the actual application process requires a high mechanical properties. However, in the actual production, we often find that the presence of low-carbon steel parts banded structure after thermal processing. Such as the banded struc...
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  • Key points to select thick-walled honing tube

    Key points to select thick-walled honing tube

    The key of selection of thick-walled honing tube to note good quality thick-walled tube honing cross textured surface, is conducive to the lubricating oil storage and oil film maintained. The surface of the support have a higher rate (actual hole axis and the contact area between the mating area ...
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  • How to get rid of surface stains of cracking tube

    How to get rid of surface stains of cracking tube

    How to get rid of surface stains of cracking tube follow the steps below: The first step is to clean, we must first petroleum cracking tube surface oil, dirt, grease, and some other substances removed. The second step is naturally acid, generally speaking, there are two pickling treatment, a chem...
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  • Kind for welding pipe

    Kind for welding pipe

    Welded pipe is generally divided into straight seam welded pipe and spiral welded pipe two types. Welding process From the welding process, Welding method of the spiral welded pipe and straight seam steel pipe is consistent, but the straight seam welded pipe will inevitably have a lot of t-shaped...
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  • Inner surface warped of seamless steel pipe

    Inner surface warped of seamless steel pipe

    Seamless steel pipe is machined from billet made. Small-scale steel plant, due to lack of processing capacity, not the purchase is processed into steel billets themselves, but purchase thick-walled steel, after cold drawn back to the factory several times, get a smaller size seamless annealed, th...
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  • Introduction on Welded Steel Pipe Classes and Features

    Introduction on Welded Steel Pipe Classes and Features

    The welded steel pipe of low pressure fluid is also known as the clarinet. This kind of welded steel pipe can be used like the common welded steel pipe, for example, transporting water, gas and oil, but also it can be used to convey low pressure steam heating fluid. The wall thickness of this kin...
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  • How to produce steel pipes

    How to produce steel pipes

    Steel is not only for the transmission fluid and powdered solids, heat exchange, manufacture of mechanical parts and containers, it is an economical steel. Building structure with a steel pipe manufacturing grid, pillars and mechanical support, can reduce weight and save 20 to 40% metal, and can ...
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  • How to make hot rolled pipe ?

    How to make hot rolled pipe ?

    Hot rolled (extrusion seamless steel pipe): round tube → heating → ​​perforation → → three-roll rolling, rolling or extrusion → detached → sizing (or reducing) → cooling → ​​straightening hydraulic test (orflaw) → tag → storage. Rolling seamless tube of raw materials is a round tube, tube embryos...
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  • Physical phenomena of spiral submerged arc welded pipe

    Physical phenomena of spiral submerged arc welded pipe

    Spiral submerged arc welded pipe widely used double submerged arc welding technology, the principle: Submerged arc welding is carried out by arc welding heat, and manual arc welding is different: submerged arc welding wire is bare, no paint above submerged arc flux is indeed to be welded in advan...
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  • On-line testing of welded pipe

    On-line testing of welded pipe

    Welded pipe at the factory to go through rigorous testing to ensure compliance with the provisions of pipe quality standards and user requirements. Pipe inspection items generally include: factory inspection items have the appearance quality, straightness, dimensions, and other types of weld qual...
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  • Marinha Seamless Steel Pipe

    Marinha Seamless Steel Pipe

    The steel pipe is very common in marine engineering. Two systems of ship and marine engineering demand roughly in three types of steel pipe: steel pipe in the conventional system, constructed with steel pipes and special purpose steel pipes. steel pipe in the conventional system. Different ship a...
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  • Hydrostatic test of spiral welded pipe

    Hydrostatic test of spiral welded pipe

    Spiral steel pipe carrying water application to conduct a hydrostatic test, usually it is testing machine to test when trials to ensure the quality of the spiral steel pipe. Spiral steel pipe hydrostatic testing machine works: Spiral steel pipe hydrostatic testing machine during a pressure test, ...
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