Mild Carbon Steel Welded Ss400 Grade Jis Standard RHS Steel Tube
Rectangular steel tube is a kind of hollow square section of light thin-walled steel tube, also known as steel refrigeration bending profile.It is made of Q235 hot rolled or cold rolled strip steel or coil as the base material, which is formed by cold bending processing and then welded by high frequency.In addition to the thickening of the wall, the size of the corner and the flatness of the edge of the hot rolled extra thick wall square pipe reach or even exceed the level of the resistance welding cold formed square pipe.Mainly used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power generation bracket, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport.
Standard for RHS Steel tube GB/T6728-2002,GB/T6725-2002, GBT3094-2000, JG 178-2005, ASTM A500 JIS G3466, EN10210 or technical protocol.GB/T3094-2000 (GB) cold deformed rectangular pipe GB/T6728-2002 (GB) structure with hollow cold bend section steel ASTM A500 featured (American standard) structure with circular cross section with carbon steel cold forming and profiled rectangular pipe welded rectangular tubes and seamless EN10219-1-2006 (European standard) of non alloy and fine grain cold forming welding hollow structure profile JIS G 3466 (Japanese standard) general structure with rectangular tube Angle. Steel grade can be STK400,STK500,SS400,,St52,S235JR,S335JR,A53,A106,A252,Q195,Q235,Q345,etc.
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