Product News

  • 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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