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  • Is Q345 steel a mild steel?

    Q345 is a Chinese standard low alloy high strength structural steel that is similar to the ASTM A572 Gr.50 steel in the United States. It is not classified as mild steel but rather falls into the category of low alloy steel. Q345 steel typically contains

  • What is the allowable stress for API 5L X70?

    API 5L X70 is a high-strength steel commonly used in pipeline construction. The allowable stress for API 5L X70 can vary depending on factors such as temperature, material condition, and the specific requirements of the project or application. In general,

  • What is API 5L X70 equivalent to?

    API 5L X70 is a high-strength steel grade used in pipeline transportation systems for natural gas and petroleum industries. The equivalent materials to API 5L X70 include: ASTM A516 Grade 70 is a carbon steel plate grade used for pressure vessel applicati

  • What is equivalent to Q345B steel

    Q345B steel is a Chinese standardized low alloy, high-strength structural steel grade. The equivalent international grades to Q345B steel include: ASTM A572 Gr 50 is an American standard low alloy high strength steel, providing similar strength properties

  • Is there any real difference between Q345B steel pipe and Q355 steel pipe?

    In the actual situation, there are some practical differences between Q345B steel pipe and Q355 steel pipe, mainly involving the following aspects: The strength grade of Q345B steel pipe is 345MPa, while the strength grade of Q355 steel pipe is 355MPa. Th

  • Welding method of Q235B steel pipe

    The welding method of Q235B steel pipe usually includes the following steps: Clean surface: Ensure that the welding surface is clean and free of oil, oxide or other impurities. Prepare the welding material: select the appropriate electrode or wire.

  • Q235B steel pipe with what electrode

    The welding method of Q235B steel pipe includes preparation work, determining welding mode, preheating, controlling welding technique and filling material selection, post-welding treatment and quality inspection. Before starting welding, it is essential t

  • ASTM A53 Grade A Seamless steel pipe features detailed introduction

    ASTM A53 Grade A seamless steel pipe features are described as follows: Production process: Through cold drawing, hot rolling or cold rolling and other processes, seamless tubes are made from the whole billet without welding.

  • ASTM A53 Grade A Welded Steel pipe features

    ASTM A53 Grade A Welded Steel pipe features include: Production process: high frequency resistance welding (ERW) or double high frequency resistance welding (DSAW) process, by rolling the steel plate into a tube after the long weld processing.

  • API5L X70 PSL2 LSAW steel pipeline plays an important role in engineering

    The importance and important role of API5L X70 PSL2 LSAW steel pipeline in engineering is reflected in the following aspects: Conveying capacity: As a pipeline material, API5L X70 PSL2 LSAW steel pipeline has excellent conveying performance and can be use

  • API 5L X70 PSL2 pipeline steel pipe inspection method

    The detailed content of API 5L X70 PSL2 pipeline steel pipe inspection method is described as follows: By applying a magnetic field and applying magnetic powder to the surface of the object being detected, a magnetic powder concentration is formed at the

  • Is ASTM A53 Gr.B a seamless pipe or a welded pipe

    ASTM A53 Gr.B is a steel pipe with specific properties, mainly used for the manufacture of structural supports and mechanical parts. People have different opinions about this steel pipe. Some people think it is a seamless pipe, while others think it is a

  • Q345B welding steel pipe processing and production technology

    Q345B welded steel pipe processing and production process mainly includes the following steps: Material preparation: Select Q345B steel that meets the requirements of the standard. Cutting: the steel plate is cut or rolled into coil according to the desig

  • Interpretation of GB/T9711-2011 L625Q/X90Q PSL2 LSAW pipeline

    GB/T9711-2011 is an important national standard for steel pipes used in pipeline transportation systems in my country's oil and gas industry. Among them, GB/T9711-2011 L625Q/X90Q PSL2 LSAW pipeline, i.e. straight seam submerged arc welding pipeline,

  • Interpretation of ISO3183 L690M/X100M PSL2 LSAW pipeline

    ISO3183 is a standard developed by the International Organization for Standardization for pipeline transportation systems in the oil and gas industry. Among them, L690M/X100M represents the pipeline steel grade,

  • GB/T 9711 - 2011 L830M/X120M PSL2 LSAW pipeline Advantages and applications

    GB/T 9711 - 2011 L830M/X120M PSL2 LSAW pipeline is a pipeline product that complies with the specifications of steel pipes for oil and gas industry pipeline transportation systems in China's national standards. It has the following advantages and app

  • GBT9711 L485/X70 PSL1 LSAW Pipeline Production

    GBT9711 L485/X70 PSL1 LSAW Pipeline (Long Seam Submerged Arc Welding Pipeline) is a pipeline product widely used in the fields of oil, natural gas, etc. The following is a detailed description of its manufacturing process and advantages

  • Q235B Welded Steel Pipe Manufacturing Process

    1. Raw material preparation
    Steel that meets the Q235B standard is selected and strictly inspected, including appearance, chemical composition and mechanical properties testing. Qualified steel is stored in a dry and ventilated warehouse to prevent rust

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