Square Tubes


трубы квадратные иприс-профиль
  • Longitudinal Electric-Welded Steel Square Tube GOST 8639-82

    Longitudinal Electric-Welded Steel Tube represents hollow metal tube with various section parameters and wall thickness.


    skhema_truba_kvadratnayaThe main application domains are steel constructions installation, furniture frames, fences, playgrounds, building timber manufacturing, etc.

    Square tubes manufacturing is regularized according GOST standards 8639-82 “Square steel tubes. Assortment”, GOST 13663-86 “Steel shaped tubes. Technical requirements”

    Square steel tubes are manufactured with cold and hot rolled steel.


    Tube section

    квадратная_труба квадратная

    Size, mmQuantity in one pack, itemsTheoretical weight 1 linear meter / kilo
    1.0 mm1.2 mm1.5 mm2.0 mm2.5 mm
    15х15 2160,4280,5090,629  
    20х20 3570,6020,7190,8901,165 
    25х25 2550,7750,9261,1491,512 
    30х30 1950,9341,0961,3691,810 
    35х35 116  1,6522,174 
    40х40 110 1,4821,8452,4493,012
    50х50 80 1,8822,3403,105 
    60х6072   3,702 
    80х80 36   4,885 

    Lengthwise, tubes are manufactured in specified length from 3.5 m to 7.8 m with allowance +15 mm, without cutting and putting off burrs. Rounding radius is not more than 2s (two wall thickness of the tube). The curvature of the tube does not exceed 2 mm on 1 m of length of the tube. During tube manufacturing inside bead should not be more than 0.6 of the thickness of the tube wall.

    Thickness tolerance extremes:

    Steel thickness, mmSteel thickness tolerance extremes, mm
    Standard accuracy of rolling


    Thickness of the rolled, mmRolled tolerance extremes, mm
    Standard accuracy of rolling

    Ipris-Profil’’ sells to customer tubes in packages. Packages have square or rectangular section, formed with wooden bars, strapped around the perimeter by a metal band (the appearance of packaged tubes can be viewed in the gallery).

    According to the table, you can make your own weight calculations placed in the order.

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