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  • The features of ASTM A179 cold-drawn seamless steel tube

    The features of ASTM A179 cold-drawn seamless steel tube

    1. There is a thick dense zinc layer covered on the surface of the cold-drawn seamless tube. 2. Good anti-corrosion. 3. Wear resistance. 4. With good ductility. 5. It improves the mechanical properties of the steel matrix to eliminate the steel forming welding stress, is conducive to the stee...
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  • Spiral steel pipe is the best pipe for water and sewage treatment

    Spiral steel pipe is the best pipe for water and sewage treatment

    Spiral steel pipe is used for non-toxic 8710 anti-corrosion spiral steel pipe for drinking water , and is widely used in water quality pipeline. We use this kind of pipe, IPN8710 drinking water pipeline anti-corrosion, IPN8710 pipe fittings inner wall (drinking water) anti-corrosion, steel pipe i...
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  • Line pipe size tolerance and standard

    Line pipe size tolerance and standard

    Line pipe specification: 8-1240×1-200mm standard: API SPEC 5L Usage: used for gas, water and oil transportation in petroleum and natural gas industries。 API SPEC 5L-2007 (line pipe specification), compiled and issued by the American Petroleum Institute, is commonly used all over the world. Line ...
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  • Inspection of Seamless Steel Pipe

    Inspection of Seamless Steel Pipe

    1) seamless steel pipe geometry checking Seamless steel pipe diameter, wall thickness and curvature, length on the examining table with a caliper, micrometer, and bent on foot, the length of tape to be checked. Outside diameter, wall thickness and length may also use automatic dimension measuring...
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  • ASTM A53

    ASTM A53

    ASTM A53 Standard is the most common standard for carbon steel pipe, no matter for seamless carbon pipes and tubes or welded wteel pipes, bare pipes and zinc coated pipes.It’s widely applied in many industries,like water, common piling or consturctior applications. Black and Hot-Dipped Galv...
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  • Oil pipe heat treatment furnace

    Oil pipe heat treatment furnace

    With the difficulty of increasing oil production, depth deepening intensity level for oil well pipes have become increasingly demanding, J55 steel grade oil casing has been increasingly unable to meet the requirements, N80 steel grade level has become routine, P110, Q125 and other steel grade use...
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  • Low temperature carbon steel pipe

    Low temperature carbon steel pipe

    Low temperature carbon steel pipe is a carbon structural steel, low temperature carbon steel pipe is operated in low temperature condition, which can withstand a certain low temperature impact, the mechanical performance is better, and the price is low, wide source, so widely used. Its biggest we...
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  • 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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