Hss Tube Steel Grades

This is the same minimum yield stress of most steel grades used in structural design which makes it easy to remember.

Hss tube steel grades.

Thus ts is simply an outdated way to specify hss. In the recent past hss was commonly available in mild steel such as a500 grade b. A hollow structural section or hss is the same thing as tube steel or ts right. Astm a500 13 grade b has a 42 ksi minimum for round and 46 ksi for square and rectangular shapes.

To describe a closed steel section whether of rectangular square or round shape. A709 a913 a992. The maximum yield stress of 70 ksi for a1085 hss will lower the expected yield strength. Welcome to our hss rectangular and square shapes free cad downloads page.

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. Steel tubing or tube steel is what we used to use in the u s. Here you ll find all rectangular and square shapes described by the aisc steel shapes database v14 1. And msc s steelwise article are you properly specifying materials.

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. And the steel day lecture. 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. Today hss is commonly available in mild steel a500 grade c.

Structurally there is no difference. Up to 6 5 8 o. Available grade listings are. Standard strength requirements of the tube help dictate applications for which certain tubing is most appropriate.

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 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. 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. Structural tubing especially rectangular sections are commonly used in welded steel frames where members experience loading in multiple directions.

For more information on grades see table 2 4 which is reproduced below from the steel construction manual 15th ed. Actually i ve been asked this very question so i feel a short explanation may be necessary. Structural tube is often referred to as hollow structural sections or hss. Outside diameter measurements for a500 carbon steel tube must be made at positions at least 2 50 8mm from either end of the tubing.