S235jrh Cold Formed Structural Steel Pipe/ ERW Steel Pipe / Black Iron Steel Pipe

Short Description:

  • Place of Origin: Tianjin, China
  • Brand Name: Ehong steel
  • Technique: ERW
  • Surface Treatment: Black
  • Certification: API 5L
  • Thickness: 1.2mm to 20mm
  • Type: Welded
  • Length: 5.8m 8m 12m used frequently or customized, 1m - 12m
  • Material: Carbon Steel
  • Product Detail

    Product Tags

    Product Detail


    S235JRH cold formed structural steel pipe/ erw steel pipe / black iron steel pipe

    Outer Diameter 20mm to 610mm
    Wall Thickness 1.2mm to 20mm
    Length As required
    Technique ERW
    Standard & Steel Grade GB/T 3091 GB/T9711 Q235 Q355
    API 5L A B X42 X46 X52 X56 X60 X65 X70
    ASTM A53 GR A/ B
    ASTM A500 A/B/C
    BS1387 EN39 St37 St52
    EN10210 EN10219 EN10255 S235 S275 S355
    AS1163 C250 C350
    Anti-Corrosion Treatment Varnished, Galvanized, Oiled, Epoxy Coating

    Production Line

    1). Raw material quality was fully tested before production

    2). 10 production lines with 366 workers, 2000 tons production capacity per day
    3). Accept customized order
    4). Stocks in warehouse and avoid anti-corrosion
    5). Mill lab test product chemical and mechanical property


    Production Process


    Packing & Delivery


    1). In bundle with steel strips for small diameter steel pipe
    2). Wrapped the bundle with water-proof bag and then bundled by steel strips and nylon lifting belt in both ends
    3). Loose package for big diameter steel pipe
    4). As per customer's requirement

    Company Introduction


    Ehong Steel is located in Tianjin China, which is known as a professional steel pipe manufacturer in China.

    The mill was established in 2003, based on its own strength, we has been developing continuously.
    The total assets of the factory cover an area of 86000 square meters, now has more than 366 employees includes 31 engineering and technical personnel, with annual production capacity 200,000 tons.

    We have our own lab can do the testing: Hydrostatic pressure testing, Chemical composition testing, Digital Rockwell hardness testing, X-ray flaw detection testing, Charpy impact testing, Ultrasonic NDT

    Main product are ERW steel pipe, galvanized steel pipe, spiral steel pipe, square and rectangular steel pipe, which is certified by API 5L certificate.



    Q: Are u a manufacturer?
    A: Yes, we are spiral steel tube manufacturer locates in Daqiuzhuang village, Tianjin city, China
    Q:Can I have a trial order only several tons?
    A: Of course. We can ship the cargo for u with LCL serivece.(Less container load)
    Q: Do u have payment superiority?

    A: For big order, 30-90 days L/C can be acceptable.
    Q: If sample free?
    A: Sample free, but the buyer pays for the freight.

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