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Carbon Steel EN 10217 P235TR1 Submerged Arc Welded Pipe

Categories Submerged Arc Welded Pipe
Brand Name: huayang
Model Number: OD 406.4-1422MM THK 9.53-50MM
Certification: API CE ISO
Place of Origin: china
MOQ: 50 TONS
Price: NEGOTIATION
Payment Terms: L/C, T/T
Delivery Time: 35-40 DAYS
Packaging Details: BARE PIPE
steel grade: carbon steel
OD: 609.6-1422MM
THK: 11-60MM
length: 6-12.2M
package: bare pipe
purpose: structural
color: black
meterial: carbon steel
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    Carbon Steel EN 10217 P235TR1 Submerged Arc Welded Pipe

    Carbon Steel EN 10217 P235TR1 Submerged Arc Welded Pipe

    Longitudinal submerged arc welded pipe (LSAW pipe for short). Longitudinal Submerged Arc Welding (LSAW) is a process of pressing (rolling) steel plate into the billet of die or forming machine, using single plate as raw material. Double-sided submerged arc welding is used to enlarge the diameter. The finished product has complete specifications, good weld toughness, good plasticity, uniformity, compactness, large diameter, thick wall, high pressure, low temperature and corrosion resistance.


    In the construction of long distance oil and gas pipelines with high strength, high toughness and high quality, most of the required steel pipes are large diameter thick wall straight submerged arc welded pipes. According to API standard, in large oil and gas pipelines, LSAW pipe is the only designated pipeline type in the first and second class areas such as high altitude areas, seabed and densely populated urban areas. According to different forming methods, it can be divided into:
    UOE welded pipe: single steel plate pre-bending, U-shaped forming, O-shaped forming, internal welding, external welding, mechanical cold expansion and other processes;
    JCOE welded pipe: according to the "J-C-O-E" process, pre-welding, forming, cold expansion after welding;
    HME welded pipe: The process of cold expansion after welding is formed by "C-C-O" by spindle rolling.


    The main technical parameters of LSAW are as follows:
    Wall thickness: 9.53-50mm
    Product Standards: EN 10217
    The diameter of LSAW pipe can reach 406.4-1422.4mm.
    The length of the steel tube can reach 12.5m


    The main characteristics of LSAW tube are as follows:
    1) Longitudinal weld is used for steel pipe and submerged arc welding is used for internal and external welds.
    2) After the whole mechanical expansion treatment, the stress inside the steel tube is small and uniformly distributed, which can effectively prevent stress corrosion cracking and has high dimensional accuracy, and is convenient for field welding construction.
    3) Using pre-and post-weld technology, the welding process is stable and the quality of the weld is high.
    4) Welding is easy to carry out nondestructive testing in the production process, and nondestructive testing can be carried out in the field in the use process.
    5) The product specifications range is large, can produce small diameter, large wall thickness, also can produce large diameter, large wall thickness steel pipe.

    Steel Grade

    C


    max.

    Si


    max.

    Mn


    max.

    P


    max.

    S


    max.

    Crb


    max.

    Mob


    max.

    Nib


    max.

    Altot


    max.

    Curbc


    max.

    Nbb


    max.

    Tib


    max.

    Vb


    max.

    Cr+Cu+Mo+Nib


    max.

    Steel nameSteel number
    P195TR11.01070.130.350.700.0250.0200.300.080.30-0.300.0100.040.020.70
    P195TR21.01080.130.350.700.0250.0200.300.080.300.02d0.300.0100.040.020.70
    P235TR11.02540.160.351.200.0250.0200.300.080.30-0.300.0100.040.020.70
    P235TR21.02550.160.351.200.0250.0200.300.080.300.02d0.300.0100.040.020.70
    P265TR11.02580.200.401.400.0250.0200.300.080.30-0.300.0100.040.020.70
    P265TR21.02590.200.401.400.0250.0200.300.080.300.02d0.300.0100.040.020.70

    A. Without purchaser's agreement with a table does not contain ingredients can not deliberately to join in the steel, unless in order to complete the casting and is likely to add ingredients, should take reasonable measures to prevent the other added ingredients or other materials used in machining process of the cracks.

    B, the content of these components don't need to report, unless specially added into the casting

    C option 3: in order to facilitate subsequent forming operation, the content of the content of copper and tin can be lower than the specified standards.

    D if steel contain the most plenty of other nitrogen binding elements, can't apply this request, this kind of circumstance should issue a report.



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