AISC_Manual_Label Rectangular Hollow Structural Section Sizes & Properties Red or * = Not in AISC Page 1 of 6. In bare bundle with steel band,or in bulk. inches perimeter inches * bar size designation= the number of eighths of an inch in nom. 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 They are manufactured on the tube mills using a high frequency induction welding technique. RFL Steels Ltd, Kingsfurze, Naas Industrial Estate, Naas, Co. Kildare. This specification covers cold-formed welded carbon steel hollow structural sections (HSS) for welded or bolted construction. Square & Rectangular Hollow Sections. Standard lengths are 24, 40 and 48 feet. ASTM 1085, table chart HSS Hollow Structural Section Square Structural Tube. wt. The strip is continuously seam-welded while round in shape and then gradually brought to the desired section in the sizing mill. HSS with a maximum periphery of 64 inches are manufactured by the electric-resistance welding (ERW) process. per 20' bar, pounds cross sectional area sq. Each of the square and rectangular hollow sections shall be marked with the following information. top Packing. Marking. Rectangular Structural Tube Per. This publication presents tables of dimensions and section properties for rectangular, square, and round Hollow Structural Sections (HSS). Tel: 045 876312 / 045 876301 Fax: 045 879819 Email: info@rfl.ie per ft. pounds wt. A variety of surface finishes are available across our range of structural tubulars. Rectangular Hollow Section (RHS) Continued Size Height / Width ( mm ) Thickness T ( mm ) Mass M ( Kg/m) 200 x 100 5.0 22.6 200 x 100 6.3 28.1 200 x 100 8.0 35.1 200 x 100 10.0 43.1 200 x 100 12.5 52.7 200 x 120 5.0 24.1 200 x 120 6.3 30.1 200 x 120 8.0 37.6 200 x 120 10.0 46.3 200 x 150 8.0 41.4 200 x 150 10.0 51.0 250 x 100 10.0 51.0 250 x 100 12.5 62.5 dia. 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. Orrcon Steel distributes and manufactures rectangular hollow sections in a wide range of sizes. 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. - Square & Rectangular Hollow Sections - Product Range - Product Applications - Technical Specification - Large Diameter Spiral Welded Pipes . 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