inches perimeter inches * bar size designation= the number of eighths of an inch in nom. Standard lengths are 24, 40 and 48 feet. A variety of surface finishes are available across our range of structural tubulars. The strip is continuously seam-welded while round in shape and then gradually brought to the desired section in the sizing mill. Orrcon Steel distributes and manufactures rectangular hollow sections in a wide range of sizes. This publication presents tables of dimensions and section properties for rectangular, square, and round Hollow Structural Sections (HSS). They are manufactured on the tube mills using a high frequency induction welding technique. Home >> Square & Rectangular Hollow Sections. wt. Rectangular Structural Tube Per. top Packing. Marking. bar size designa-tion diameter in inches est. RFL Steels Ltd, Kingsfurze, Naas Industrial Estate, Naas, Co. Kildare. Square & Rectangular Hollow Sections. Each of the square and rectangular hollow sections shall be marked with the following information. This specification covers cold-formed welded carbon steel hollow structural sections (HSS) for welded or bolted construction. per ft. pounds wt. Rectangular Hollow Sections Size Mass (kg/m) Size Mass (kg/m) 50 x 25 x 1.6 1.75 150 x 50 x 5.0 14.20 50 x 25 x 2.0 2.15 150 x 75 x 9.0 27.60 50 x 25 x 2.5 2.62 150 x 100 x 4.0 14.80 50 x 25 x 3.0 3.07 150 x 100 x 5.0 18.20 65 x 35 x 2.0 2.93 150 x 100 x 6.0 21.40 HOLLOW SECTIONS IN STRUCTURAL APPLICAT IONS by J. Wardenier PREFACE Professor Jaap Wardenier has had an enormous impact on the design methods for tubular steel structures in the late 20th. AISC_Manual_Label Rectangular Hollow Structural Section Sizes & Properties Red or * = Not in AISC Page 1 of 6. dia. The Rectangular Hollow Section is veritably his progeny and it has grown up to be a respectable member of the steel society under his tutelage. HSS with a maximum periphery of 64 inches are manufactured by the electric-resistance welding (ERW) process. century. ASTM 1085, table chart HSS Hollow Structural Section Square Structural Tube. Tel: 045 876312 / 045 876301 Fax: 045 879819 Email: info@rfl.ie Our Rectangular Hollow Sections are manufactured to the Australian Standard for structural steel hollow section .0AS/NZS 1163 and cover steel grades C250L0, C350L0 and C450L0. In bare bundle with steel band,or in bulk. - Square & Rectangular Hollow Sections - Product Range - Product Applications - Technical Specification - Large Diameter Spiral Welded Pipes . Rectangular Hollow Sections Rectangular Hollow Sections (RHS) are made to the Kenya Bureau of Standards specification KS02-104. per 20' bar, pounds cross sectional area sq. 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