Square Tubes
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.
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The 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
Size, mm Quantity in one pack, items Theoretical weight 1 linear meter / kilo 1.0 mm 1.2 mm 1.5 mm 2.0 mm 2.5 mm 15х15 216 0,428 0,509 0,629 20х20 357 0,602 0,719 0,890 1,165 25х25 255 0,775 0,926 1,149 1,512 30х30 195 0,934 1,096 1,369 1,810 35х35 116 1,652 2,174 40х40 110 1,482 1,845 2,449 3,012 50х50 80 1,882 2,340 3,105 60х60 72 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, mm Steel thickness tolerance extremes, mm Standard accuracy of rolling 1.8-2.0 +/-0.18 Thickness of the rolled, mm Rolled tolerance extremes, mm Standard accuracy of rolling 0.90-1.2 +/-0.11 1.5-1.8 +/-0.15 1.8-2.00 +/-0.16 2.00-2.5 +/-0.18 “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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