Available in large sizes up to 1,000 mm x 1,000 mm in side length and 50 mm in thickness

Cold press formed square hollow sections for building structure are manufactured by press forming and semi-automatic/full-automatic submerged arc welding of steel plate. Square hollow sections or a pair of channel sections are formed by this press forming method. With one of the world’s largest manufacturing facilities of large-diameter square hollow sections that uses the press forming method, quality improvement as well as mass production and cost reduction has been achieved.