100×100 square steel is one of the popular types of square steel. The construction, mechanical, and manufacturing industries widely use it. With a side size of 100 mm, this type of steel offers many advantages and diverse applications.
Technical specifications of 100×100 square steel
This type of square steel has the following basic technical parameters:

- Size: 100×100
- Thickness: 1.2 ly – 12ly
- Weight: 22.34 kg – 198.95 kg/ tree
- Length: 6m, 9m, 12m, or cut according to customer requirements
- Standards: ASTM A500, EN 10210, EN 59410, EN10219, ASTM A500 Grade B-C, JIS G3466, JIS3466, EN 10219, ATM A588, ASTM/ASME, JIS, BS, DIN, GB, EN
- Steel grade: A36 – SS400 – Q235B – S235JR – GR.A – GR.B
- Origin: Russia, Japan, China, USA, Korea,…
Further reference: Square steel dimensions
Specifications and weight of 100×100 square steel
The table below will help you understand the thickness, length, and weight of galvanized square steel, black square steel 100×100:
| Steel specification x a x t (mm) | bar length (m) | Weight (kg/m) | Weight of 1 6m length | Weight of 12m length |
| Square steel100x100x1.8 | 6 – 12m | 5.53 | 33.17 | 66.36 |
| Square steel 100x100x2.0 | 6 – 12m | 6.13 | 36.76 | 73.56 |
| Square steel 100x100x2.5 | 6 – 12m | 7.61 | 45.67 | 91.32 |
| Square steel 100x100x3.0 | 6 – 12m | 9.08 | 54.49 | 108.96 |
| Square steel 100x100x3.2 | 6 – 12m | 9.73 | 58.36 | 116.76 |
| Square steel 100x100x4.0 | 6 – 12m | 11.96 | 71.74 | 143.52 |
| Square steel 100x100x4.5 | 6 – 12m | 13.49 | 80.96 | 161.88 |
| Square steel 100x100x5.0 | 6 – 12m | 14.76 | 88.55 | 177.12 |
| Square steel 100x100x6.0 | 6 – 12m | 17.71 | 106.26 | 212.52 |
| Square steel 100x100x9.0 | 6 – 12m | 25.72 | 154.3 | 308.64 |
| Square steel 100x100x12 | 6 – 12m | 33.16 | 198.95 | 397.92 |
The reference price of 100×100 square steel
100×100 square steel is divided into 2 types based on the production method: black 100×100 square steel and galvanized 100×100 square steel. The price of 100×100 square steel is affected by thickness, length, weight, etc. We want to provide the price list below for you to visualize easily; if you are planning to buy, please refer to it now!

Note: This is just a REFERENCE PRICE LIST, prices may change continuously. To get the price of a 100×100 square steel, please get in touch with Bao Tin Steel – 0932 059 76 now!
Price list of black square steel 100×100 |
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| Specifications | Thickness (mm) | Weight (Kg/6m) | Unit price (VND/6m) |
| black square steel 100×100 | 1.20 | 22.09 | 506,570 |
| 1.40 | 25.77 | 592,710 | |
| 1.50 | 27.60 | 634,800 | |
| 1.80 | 33.11 | 761,530 | |
| 2.00 | 36.78 | 845,940 | |
| 2.30 | 42.30 | 972,900 | |
| 2.50 | 45.69 | 1,050,870 | |
| 2.80 | 50.98 | 1,172,540 | |
| 3.00 | 54.49 | 1,253,270 | |
| 3.20 | 57.97 | 1,333,310 | |
| 3.50 | 63.17 | 1,452,910 | |
| 3.80 | 68.33 | 1,571,590 | |
| 4.00 | 71.74 | 1,650,020 | |
| 4.50 | 80.20 | 1,844,600 | |
| 5.00 | 88.54 | 2,036,328 | |
| 5.50 | 96.76 | 2,225,526 | |
| 6.00 | 104.87 | 2,411,964 | |
| 6.50 | 112.87 | 2,595,918 | |
| 7.00 | 120.74 | 2,777,112 | |
| 8.00 | 138.70 | 3,190,100 | |
| 10.00 | 169.60 | 3,900,800 | |
| 12.00 | 199.00 | 4,577,000 | |
Price list of galvanized square steel 100×100 |
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| Specifications | Thickness (mm) | Weight (Kg/6m) | Unit price (VND/6m) |
| galvanized square steel 100×100 | 1.20 | 22.09 | 508,070 |
| 1.40 | 25.77 | 592,710 | |
| 1.50 | 27.60 | 634,800 | |
| 1.80 | 33.11 | 761,530 | |
| 2.00 | 36.78 | 845,940 | |
| 2.30 | 42.30 | 972,900 | |
| 2.50 | 45.69 | 1,050,870 | |
| 2.80 | 50.98 | 1,172,540 | |
| 3.00 | 54.49 | 1,253,270 | |
| 3.20 | 57.97 | 1,333,310 | |
| 3.50 | 63.17 | 1,452,910 | |
| 3.80 | 68.33 | 1,571,590 | |
| 4.00 | 71.74 | 1,650,020 | |
| 4.50 | 80.20 | 1,844,600 | |
| 5.00 | 88.54 | 2,036,328 | |
| 5.50 | 96.76 | 2,225,526 | |
| 6.00 | 104.87 | 2,411,964 | |
| 6.50 | 112.87 | 2,595,918 | |
| 7.00 | 120.74 | 2,777,112 | |
| 8.00 | 138.70 | 3,190,100 | |
| 10.00 | 169.60 | 3,900,800 | |
| 12.00 | 199.00 | 4,577,000 | |
Applications of 100×100 square steels
With its good load-bearing capacity and high corrosion resistance, this square steel is used in many applications, such as:
- Construction of prefabricated houses with steel frame structures, cable TV systems, and antennas
- Installation of doors, walls, and decorative details made of steel materials.
- Used in automobile manufacturing, shipbuilding, bicycle and motorcycle frames, containers, household appliances, etc.
- Application in the production of steel sports equipment and furniture.
Bao Tin Steel has just provided you with the most basic information about 100×100 square steels. Hope they are useful to you. If you need quotation support, do not hesitate to contact us immediately via hotline: 0932 059 176!
Tiger Steel is a subsidiary of Bao Tin Steel

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