Hss Tube Steel Grades

Standard strength requirements of the tube help dictate applications for which certain tubing is most appropriate.

Hss tube steel grades.

For round structural tubing with nominal od of 1 900 48 26mm and smaller the outside diameter may not vary more than 0 5 rounded to the nearest 0 005 0 13mm of the specified size. Thus ts is simply an outdated way to specify hss. Steel tubing or tube steel is what we used to use in the u s. Sort the table below according to any property and select a cad file to download using the reference links in the left most column.

Structural tube is often referred to as hollow structural sections or hss. Nova steel manufactures square rectangular and round hollow structural sections hss and mechanical tube to meet several grades including astm a500 grade b c and astm a513. Square steel tube is a welded structural grade tubing that is available in either type a513 or a500 grade b depending on it s size and wall thickness either grade is ideal for all structural applications general fabrication manufacturing and repairs. The steel tube institute an organization representing the manufacturers of hollow structural sections initiated the change from tube to hss in 1997 to conform to their designation practices.

Available grade listings are. Actually i ve been asked this very question so i feel a short explanation may be necessary. Outside diameter measurements for a500 carbon steel tube must be made at positions at least 2 50 8mm from either end of the tubing. The maximum yield stress of 70 ksi for a1085 hss will lower the expected yield strength.

A hollow structural section or hss is the same thing as tube steel or ts right. In the recent past hss was commonly available in mild steel such as a500 grade b. To describe a closed steel section whether of rectangular square or round shape. A709 a913 a992.

Up to 6 5 8 o. Here you ll find all rectangular and square shapes described by the aisc steel shapes database v14 1. Structurally there is no difference. Other steel grades available for hss are a847 weathering steel a1065 large sections up to 50 inch sq made with saw process and recently approved a1085 higher strength tighter tolerances than.

For more information on grades see table 2 4 which is reproduced below from the steel construction manual 15th ed. Steel square tube is widely used in industrial maintenance agricultural implements transportation equipment truck beds trailers frames etc. Structural tubing especially rectangular sections are commonly used in welded steel frames where members experience loading in multiple directions. Our range includes square tube from 3 4 x 3 4 up to 6 x 6 rectangular tube from 2 x 1 through 8 x 4 and round tube from 840 o d.

And the steel day lecture. Astm a500 13 grade b has a 42 ksi minimum for round and 46 ksi for square and rectangular shapes. Today hss is commonly available in mild steel a500 grade c. W and all hss shapes are available to view and search by grade.