40×80 square steel is also known as 40×80 square steel. Bao Tin Steel distributes this type of square steel from brands such as Hoa Sen, Hoa Phat, Viet Duc, etc. These are all reputable steel brands. If you need to buy this rectangular square steel, first grasp the information below.
Technical specifications of 40×80 square steel
This square steel includes 2 types: black square steel and galvanized square steel. Below are the general specifications of this rectangular steel line:
- Specification: 40×80
- Thickness: From 0.8 – 10mm (Common thickness from 0.8 – 3.0mm)
- Standard: ASTM A36, ASTM A53, ASTM A500, JIS – 3302,…
- Steel bracket: CT3. SS400, SS450,…
- Length: 6m – 12m or according to customer requirements.
Chemical composition of 40×80 square steel

Weight of 40×80 square steel
With the same specification of 40×80, this square steel has a variety of thicknesses. This factor also affects its weight and volume. See details in the table below:
| Size (mm) | Weight (kg/length) |
| 40x80x1.1 | 12.16 |
| 40x80x1.2 | 13.24 |
| 40x80x1.4 | 15.38 |
| 40x80x1.8 | 19.61 |
| 40x80x2 | 21.7 |
| 40x80x2.3 | 24.8 |
| 40x80x2.5 | 26.85 |
| 40x80x2.8 | 29.88 |
| 40x80x3 | 31.88 |
| 40x80x3.2 | 33.86 |
| 40x80x3.5 | 36.79 |
The reference price of 40×80 square steel pipes of all types
Below is the price list of 40×80 square steel for REFERENCE. Customers note that this square steel price may change continuously. To receive the most accurate quote, please contact 0932 059 176!

Applications of 40×80 square steels
40×80 square steel is widely used in many fields, such as:
Construction:
- Making factory and warehouse frames
- Making door frames, railings, stairs
- Making columns, beams, trusses
- Making scaffolding frames
- Making protective frames
Mechanical:
- Making machine and equipment frames
- Making structural parts
- Making trolley and shelf frames
Interior:
- Making tables, chairs, bed frames
- Making cabinets, shelf frames
- Making decorative frames
Where to buy genuine 40×80 square steel at a good price?

Rectangular square steel at Bao Tin Steel warehouse
As mentioned from the beginning, Bao Tin Steel is one of the units that provide 40×80 square steels at the most competitive prices today. Bao Tin Steel’s partners are all leading steel manufacturers such as Hoa Sen, Hoa Phat, and Viet Duc, … Square steel in general here is imported directly from the factory, 100% new with full papers and documents.
Bao Tin Steel does not sell through any intermediaries, so the price of square steel is always guaranteed. Customers can contact the company directly to request a quote for the specifications they need. Bao Tin Steel’s sales staff are all experienced, dedicated, and always ready to support 24/7.
We also have a professional transport team with fully equipped machinery and vehicles. Therefore, customers can be completely assured that the goods will be delivered to the construction site. What are you waiting for? Contact Bao Tin Steel now for support!
Above is the basic information of 40×80 square steels. For customers who need more information or a quote, please contact Bao Tin Steel at 0932 059 176!
Tiger Steel is a subsidiary of Bao Tin Steel

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