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  • Api 5l Hot Dip Galvanized Liquid Delivery Premium Quality Erw Steel Pipe - China

    price: 300.00 Dollar US$

    ERW Steel Pipe, EFW Steel Pipe, Electric Resistance Welded Steel Pipe, High-Frequency Welding Steel Pipe and Other Pipe Fittings Abundant Inventory + Competitive Price Top quality —— Hydralic Test, X-ray, Offer-line UT, Eddy Current Inspection, etc, 3rd party inspection to test.
    Fast delivery —— Many sets of advanced production equipment to produce, as well as perfect logistics system.
    Timely quotation —— professional sales quote for you after receive your inquiry.
    Certificate share —— MTC, ISO, Inspection Report and other quality certification.
    Used for low pressure liquid delivery, such as water, gas, and oil. Outer Diameter: 6mm-610mm (1/16"-24")
    Wall Thickness: 0.3mm-22mm
    Length: 0.5mtr-20mtr Standard: API 5L, ASTM A53, EN10217, BS1387-85
    Material: GR.B, X42, X46, X52, X56, X60, S355JRH, ST37, ST52 Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings
    Packing: Bare of Bundled or pvc packing ect. Test: Chemical Component Analysis, Mechanical Properties and other inspection
    Third Inspection: BV, SGS, Lloyds ect. The main process:
    Uncoiling
    The slitted coil is uncoiled at the entry of ERW mill and the ends are sheared and welded one after another. This results in a single endless strip. Forming
    The slitted coils are initially formed into U shape and after that into a cylindrical shape with open edges utilizing a series of forming rolls. Welding
    Welding In this stage, the open edges are heated to the forging temperature through high-frequency, low-voltage, high current and press welded by forge rolls making perfect and strong but weld without filler materials. Sizing
    After water quenching, slight reduction is applied to pipes with sizing rolls. This results in producing desired accurate outside diameter. Cutting
    In cutting stage, the pipes are cut to required lengths by flying cut off disc/saw cutter. Bevelling
    This is usually stage, where the pipes ends are faced and bevelled by the end facer. All these processes are continuous with automatic arrangements. These plain ended tubes further go for processing as per the customer requirements such as galvanizing, threading, black varnishing and more. Available Quality Standards
    API 5L:for pipeline transportation systems
    ASTM A53:used as structural steel or for low-pressure plumbing
    ASTM A178:for electric-resistance-welded carbon steel and carbon-manganese steel boiler and superheater tubes
    ASTM A500:for cold-formed welded and seamless carbon steel structural tubing in round, square and rectangular shapes
    ASTM A501:for hot-formed welded and seamless carbon steel structural tubing
    ASTM A252:for seamless and welded steel pipe piles
    EN 10219:cold formed welded structural hollow sections of non-alloy and fine grain steels Our Services 100% satisfaction guarantee 1. Solve your problems within 24 hours 2. Your feedback is highly valued 3. Update price and new products regularly FAQ 1. Are you the manufacturer or trader? We are 100% manufacturer, specializing in scaffolding over 22 years.There are excellent engineers make designs and skillful welding workers. 2. What are the most important factors that influence on the quality of frame scaffold? There are the material type, the sizes of tube, and the surface treatment. Why choose us ? 1. Professional scaffold manufacturer
    2. Timely delivery
    3. Authority certification
    4. Technical support
    5. 22 years' experience
    6. 7S management Company Information Professional manufacturer with powerful manufacturing capacity. Extensive and comprehensive quality control system Excellent products with competitive price. Efficient service on pre and after sale. Full energy with affluent experience team. Contact Info Any interest or questions, welcome to contact us. Any inquiry will be replied within 24 hours. We are looking forward to having cooperation with you ! TEL: 86-0731-88678514


    Company Contact:


    • Phone: +86073188678514

    • Address: No.9 Xiangfu Rd, Steel Industrial Zone, Changsha, Hunan, China, Changsha, Hunan, China

    • Email: Email


    Published date: January 11, 2018 -

    • Business Description: Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline & Gas Pipeline Science Research Institute, Such as: the use of oil and gas pipelines, pipe welding technology innovation, high-end plumbing materials research and development, as well as special tools technological innovation pipeline construction, pipeline corrosion protection science and technology research, science and technology research pipeline non-destructive testing, pipeline quality assessment, and research pipeline standards and so on. In the future, we will try to use new technology to create new business value and to contribute to research and product development for the pipeline.

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