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  • Unitedsteel Hollow section factory is specialized in High frequency welded Hollow section, Submerged arc welded Hollow Section, Hot rolled and Cold drawn Seamless Hollow section exporting enterprises. Our factory had large type of cold bending hollow section steel GH200, GH300, GH450, and GH550 size.

    The main size is from SHS50*50 to SHS550*550mm, Thick is 2.5mm to 30mm

    The products are Square Pipe/tube, Rectangular Pipe/tube, low alloy Square Pipe/tube, Seamless Square Pipe/tube, Hot rolled Galvanized Square Pipe/tube and so on.

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    • Skype ID: gangsteel001
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  Q235NH Square Pipe, Q235NH hollow section, Q235NH Square Tube

  •  Q235NH Square Pipe, Q235NH hollow section, Q235NH Square Tube

     

     

     

    Unitedsteel Hollow section factory Produced and exported weathered resistance Q235NH Square Pipe, Q235NH hollow section, Q235NH Square Tube by hot rolled and welded way.

     

    Tag: Q235NH Square Pipe, Q235NH hollow section, Q235NH Square Tube, Q235NH, GB/T4171

     

     

    About Q235NH detail informationplease consult technical date in following.

     

     

    Grade

    Standard

    Min Yield Strength Mpa

     

     

    Q235NH

    GB/T4171

    235

     

     

    Chemical List  %

     

    C

    Si

    Mn

    P

    S

    Cr

    Ni

    0.13

    0.1-0.4

    0.2-0.6

    0.030

    0.030

    0.4-0.8

    0.65

    Cu

    AL

     

     

     

     

     

    0.25-0.55

    Min 0.020

     

     

     

     

     

     

     

    Production Technical and Pipe Size mm

    Technical

    Long m

    Max Thick

    Size

    HFW

    2-16m

    3-35mm

    20*20 -600*600mm

    CDT

    2-16m

    3-35mm

    30*30-800*800mm

    SAW

    2-16m

    3-35mm

    50*50-1400*1400mm

     

     

     

    In usual Production Size, If you need special Size, we also can produce them according to requirement

    Square Pipe

     

    Square Pipe

    Size

    Thick

    Length

     

    Size

    Thick

    Length

    mm

    mm

    Meters

     

    mm

    mm

    Meters

    500*500mm

    8-25mm

    3m-12m

     

    300*300mm

    8-25mm

    3m-12m

    220*220mm

    8-25mm

    3m-12m

     

    150*150mm

    5-14mm

    3m-12m

    130*130mm

    4-12mm

    3m-12m

     

    80*80mm

    4-12mm

    3m-12m

    450*450mm

    8-25mm

    3m-12m

     

    280*280mm

    8-25mm

    3m-12m

    200*200mm

    8-25mm

    3m-12m

     

    140*140mm

    4-14mm

    3m-12m

    120*120mm

    4-12mm

    3m-12m

     

    60*60mm

    4-12mm

    3m-12m

    400*400mm

    8-25mm

    3m-12m

     

    250*250mm

    8-25mm

    3m-12m

    180*180mm

    7-20mm

    3m-12m

     

    135*135mm

    4-14mm

    3m-12m

    110*110mm

    4-12mm

    3m-12m

     

    50*50mm

    4-12mm

    3m-12m

    350*350mm

    8-25mm

    3m-12m

     

    40*40mm

    4-10mm

    3m-12m

    160*160mm

    5-16mm

    3m-12m

     

    30*30mm

    3-6mm

    3m-12m

    100*100mm

    4-12mm

    3m-12m

     

    20*20mm

    2-4mm

    3m-12m

     

    Our warehouse keeps the large stock list for weather resistance SQ pipe. For more information in quality certificate or inquiry in competitive official quotation, please contact us by email or calling. 



  • tags: Q235NH Square Pipe,   Q235NH hollow section,   Q235NH Square Tube,   Q235NH,   GB/T4171,   ,  

    Email: admin@gangsteel.com Skype ID: gangsteel001