Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of square hollow section steel tube in China. Please feel free to buy high quality square hollow section steel tube from our factory. Good service and reasonable price are available.
Square Hollow Section Steel Tube
Rectangular Hollow Section Steel Tube
Standard: EN10219, EN10210, ASTM A500, AS1163, JIS G3466
Steel Grade: S235, S355, GR.B, GR.C, C250, C350, STKR400, STKR490
External Radius: ≤ R30 (3.0T)
Forming Type: Cold Formed
Welded Type: ERW Welded, SAW Welded (Cold Drawn Round to Square)
Dimensions: 50X100mm - 1000X1500mm, 100X100mm - 1200X1200mm
Wall Thickness: 1.5mm - 50.0mm
Products are mainly used in machinery manufacturing, large span steel structures, shipbuilding and gas transmission. The seismic resistance and bearing capacity of square tubes are better than round steel pipes, so square tubes can bear more pressure and vibration than round tubes.
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