For more information on grades see table 2 4 which is reproduced below from the steel construction manual 15th ed.
Hss tube steel grades.
Structurally there is no difference.
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.
Standard strength requirements of the tube help dictate applications for which certain tubing is most appropriate.
To describe a closed steel section whether of rectangular square or round shape.
Steel tubing or tube steel is what we used to use in the u s.
Thus ts is simply an outdated way to specify hss.
Up to 6 5 8 o.
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.
A hollow structural section or hss is the same thing as tube steel or ts right.
Actually i ve been asked this very question so i feel a short explanation may be necessary.
Structural tubing especially rectangular sections are commonly used in welded steel frames where members experience loading in multiple directions.
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.
Available grade listings are.
W and all hss shapes are available to view and search by grade.
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.
A709 a913 a992.
Today hss is commonly available in mild steel a500 grade c.
Here you ll find all rectangular and square shapes described by the aisc steel shapes database v14 1.
And the steel day lecture.
In the recent past hss was commonly available in mild steel such as a500 grade b.
Structural tube is often referred to as hollow structural sections or hss.
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.
Outside diameter measurements for a500 carbon steel tube must be made at positions at least 2 50 8mm from either end of the tubing.
Csa g40 21 is the canadian specification for rolled or welded structural quality steel.
Atlas tube produces hollow structural sections hss to this spec in round square and rectangular shapes and a range of sizes and wall thicknesses.
Welcome to our hss rectangular and square shapes free cad downloads page.
Steel square tube is widely used in industrial maintenance agricultural implements transportation equipment truck beds trailers frames etc.