Welded Steel Pipe

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  • ASTM A672 EFW Pipes & Tubes

    ASTM A672 standard specification for electric fusion welded steel pipe for high pressure service at moderate temperatures.
  • ASTM A252 Welded Steel Pipe Piles

    ASTM A252 standard specification for welded steel pipe piles. This specification covers nominal wall cylindrical steel pipe piles in which the steel cylinder acts as a permanent load-carrying member or as a shell to form cast-in-place concrete piles. Each welded pile shall be made by seamless, electric resistance welding, flash welding or fusion welding with longitudinal, helical-butt, or helical-lap seams.
  • ASTM A135

    ASTM A135 is for electric-resistance-welded steel pipe intended for conveying gas, vapor, water or other liquid.
  • Quality Control and Inspection of Welded Steel Pipes

    Quality control and testing are crucial aspects of ensuring the reliability and performance of welded pipes in various industries. From manufacturing to installation, a rigorous quality control process helps identify any defects or inconsistencies in welded pipes, preventing potential failures and ensuring compliance with industry standards. In this article, we will explore the importance of quality control and testing in the production of welded pipes, highlighting key methods, standards, and procedures used in the industry.
  • API 5L Pipe Specification

    The purpose of this specification is to provide a guide for the production of transport pipes. Products made under API 5L optics carry gas, oil, and water in the natural gas and oil industry.
  • DN300 Welded steel pipe

    Welded steel DN300 is generally divided into two types straight welded black pipe and spiral welded black pipe. Using spiral coil technology and high-frequency welding to create the most durable steel pipe products.
  • ASTMA252Gr3 spiral steel pipe

    ASTMA252Gr3 spiral steel pipe is one of the commonly used types of steel pipe, such steel pipe has a wide range of applications, the understanding and mastery of its relevant parameters for engineering design and construction is crucial.
  • Quality Defects Analysis Of Welded Steel Pipe Welding Section

    The quality of welded pipes (SSAW/LSAW/ERW) is significantly influenced by the welding seam, which is considered the lifeline of these pipes. As such, it is imperative to conduct a comprehensive analysis and address quality defects related to the welded section.
  • Surface Treatment of SSAW Steel Pipe

    SSAW (Spiral Submerged Arc Welded) steel pipes are commonly used in various applications, and their surface treatment is essential to enhance durability, corrosion resistance, and overall performance. Here are some common surface treatments for SSAW steel pipes.
  • Quality Evaluation Process Of ERW Steel Pipes

    ERW (Electric Resistance Welded) steel pipes are made from steel coils or steel plates and the weld seam runs parallel to the pipe. They are commonly applied to transport oil, natural gas and other vapor-liquid objects, and can meet various requirements of high and low pressure. This article will introduce in detail the quality evaluation process of ERW steel pipes. Read on to learn more.
  • Connection Method Of Large Diameter SSAW Steel Pipe

    When welded steel pipe is manufactured, a steel plate or strip is bent and subsequently welded into either a circular, traditional pipe shape or a square shape, resulting in a seam on its body. Today, we will introduce in detail GB standards for welded steel pipes.
  • Double-sided submerged arc welding straight seam steel pipe (LSAW) production process

    Double-sided submerged arc welding straight seam steel pipe (LSAW) production process
  • Welded pipe process introduction

    Welded pipes are divided into spiral welded pipes and longitudinally welded steel pipes according to the forming process, and high-frequency resistance welding and submerged arc welding according to the welding process. Spiral welded pipes all adopt submerged arc welding process. For longitudinally welded pipes, submerged arc welded pipes are referred to as UOE, and longitudinal high-frequency resistance welding is referred to as ERW. 
  • Metric welded pipe

    Welded pipe: the specification is in the form of seamless pipe, welded steel pipe expressed by outer diameter * wall thickness in millimeters, and metric welded pipe is welded with ordinary carbon steel, high-quality carbon steel or general energy low-alloy steel in the hot zone, cold zone, or hot zone Cold drawing method after welding
  • Welded steel pipe weight

    Welded steel pipe weight
  • Advantages and disadvantages of spiral steel pipe

    Advantages and disadvantages of spiral steel pipe
  • Size specification of large diameter electric welded steel pipe

    Size specification of large diameter electric welded steel pipe
  • Line pipe size tolerance and standard

    API SPEC 5L-2007 (line pipe specification), compiled and issued by the American Petroleum Institute, is commonly used all over the world,Line pipe standard:API SPEC 5L-American Petroleum Institute Standard; GB/T9711-China National Standard。
  • API 5DP Drill Pipe

    Standard: API 5D Application: For well drilling
  • JIS standard

    The Japanese industrial standard (JIS) developed by the organization is applicable to various industrial services and technologies, such as automobiles, metallurgy, ships and medical equipment.
  • Pipe coating equipment

    Pipeline coating equipment and various kinds of coatings Selmers produces pipe coating equipment and equipment for various coatings, mainly for anticorrosion, insulation, flow efficiency and weight increase. Like a single sandblaster, pipeline coating equipment can also be used in a variety of settings: for internal and external applications, small and large diameter, low capacity and high capacity, and continuous or single operation.
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