You want to buy a 30×30 square steel tube but don’t know where to buy it. You also don’t know the price of a 30×30 square steel tube. Is it expensive? Don’t worry; Bao Tin Steel will help you get the answer within 1 second. See the article below!
What are 30×30 square steel tubes? Characteristics of a 30×30 square steel tube
30×30 square steel tube, also known as 30×30 tube steel, This is a type of tube steel with a square cross-section, equal side lengths, and 30mm.

The 30×30 square steel tube has a hollow structure inside, helping to reduce weight and increase bearing capacity. It has a thickness of 0.7–3 mm. Currently, black 30×30 iron boxes and galvanized 30×30 square steel tubes are extremely popular.
30×30 square steel tubes are commonly used in civil construction projects, prefabricated houses, car bodies, interior construction, tables and chairs, and other household goods. 30×30 square steel tube has many advantages, such as:
- Good bearing capacity and high durability
- Easy to construct and install
- Reasonable price
Technical specifications of a 30×30 square steel tube
Below is the general parameter table for a 30×30 square steel tube:
- Size: 30x30mm
- Thickness: 0.7–3 mm
- Standards: ASTM A500, JIS G3466, EN, GOST
- Length: 6m, 9m, 12m
- Origin: Vietnam, China, Taiwan, Russia, Japan, and Korea.
Table of specifications and weight of Hoa Phat 30×30 square steel tube
| Dimensions of square steel tube (mm) | Thickness | Weight (kg/length) | Length |
| 30×30 | 0.7 | 3.85 | 6m |
| 30×30 | 0.8 | 4.38 | 6m |
| 30×30 | 0.9 | 4.9 | 6m |
| 30×30 | 1 | 5.43 | 6m |
| 30×30 | 1.1 | 5.94 | 6m |
| 30×30 | 1.2 | 6.46 | 6m |
| 30×30 | 1.4 | 7.47 | 6m |
| 30×30 | 1.5 | 7.97 | 6m |
| 30×30 | 1.8 | 9.44 | 6m |
| 30×30 | 2 | 10.4 | 6m |
| 30×30 | 2.3 | 11.8 | 6m |
| 30×30 | 2.5 | 12.72 | 6m |
| 30×30 | 2.8 | 14.05 | 6m |
| 30×30 | 3 | 14.92 | 6m |
Price list of Hoa Phat 30×30 square steel tube
The current price of square steel tubes and steel is fluctuating. This is due to changes in the general economic situation. Therefore, the price quote we provide is for reference only. And it may no longer be true today. To receive the most accurate quote, please call 0932 059 176 immediately for support.
| Hoa Phat 30×30 square steel tube | ||||
| Size | Thickness | Kg/ length 6m | Black square steel tube price | Galvanized square steel tube price |
| 30 x 30(81 piece/bunch) | 0.70 | 3.85 | 59,7 | 67,4 |
| 0.80 | 4.38 | 67,9 | 76,7 | |
| 0.90 | 4.90 | 76 | 85,8 | |
| 1.00 | 5.43 | 84,2 | 95 | |
| 1.10 | 5.94 | 92,1 | 104 | |
| 1.20 | 6.46 | 100,1 | 113,1 | |
| 1.40 | 7.47 | 115,8 | 130,7 | |
| 1.80 | 9.44 | 146,3 | 165,2 | |
| 2.00 | 10.40 | 161,2 | 182 | |
| 2.30 | 11.80 | 182,9 | 283,2 | |
| 2.50 | 12.72 | 197,2 | 305,3 | |
| 2.80 | 14.05 | 210,8 | 337,2 | |
| 3.00 | 14.92 | 223,8 | 358,1 | |
Price list of Hoa Sen 30×30 square steel tube
| Galvanized square steel tube 30×30 Hoa Sen | |||
| Size | Thickness | Kg/piece | Price/length 6m |
| 30×30 | 0.9 | 4.2 | 77.000 |
| 30×30 | 1.2 | 5.5 | 105.000 |
| 30×30 | 1.4 | 7 | 131.000 |
| 30×30 | 1.8 | 9.2 | 165.000 |
A few reputable brands produce 30×30 square steel tube
Currently, many units are producing 30×30 square steel tubes. However, only reputable brands that have been operating for a long time have quality and guaranteed products. Below are the major steel companies in Vietnam that have been trusted by users for many years.

Hoa Phat Steel Group
Hoa Phat Steel is one of the major steel brands in our country. Hoa Phat square steel tube is produced from high-quality steel raw materials with modern and advanced production processes. Hoa Phat 30×30 square steel tube has high durability and good bearing capacity and is widely used in many construction projects.
Hoa Sen Group
Hoa Sen is also a steel pipe and square steel tube brand that is highly appreciated by customers. Not only square steel tubes, products of this Group always ensure quality even in harsh conditions. This is because the Hoa Sen 30×30 square steel tube is coated with galvanized or electrostatic paint. From there, it helps protect the steel surface, enhancing its resistance to oxidation and corrosion.
How to preserve a 30×30 square steel tube for durability?
- Steel pipes must be stored in dry, well-ventilated warehouses.
- When the steel pipe is soaked in water, use a towel to dry the water and dirt, or use an air hose to blow dry the water-logged area.
- Pipes need to be arranged neatly and placed ≥ 25mm from the floor;
- In case the steel pipe changes color, it must be cleaned until it is clean and dry.
- When using loading and unloading cranes, there must be specialized ropes to avoid damage or dented pipes.
Where to buy genuine 30×30 square steel tube at a good price
If you are looking for a place to sell 30×30 square steel tubes in Hoa Phat, Hoa Sen, at affordable prices, then Bao Tin Steel is the address you need to know. Not only does it provide quality products, but the company’s steel pipe prices are also extremely competitive.

With more than 10 years of operation, Bao Tin Steel Co., Ltd. has gained a foothold in the market. The company’s major partners are all famous brands such as Hoa Phat, Hoa Sen, Nam Kim, VinaOne, Viet Duc,… And the quality of products from these brands—no need to discuss this further.
Not only steel pipes, Bao Tin Steel also provides fittings, accessories, industrial valves, and fire protection materials. This variety of products helps customers buy all the products for the project in just one order.
Bao Tin Steel commits to:
- Goods are always 100% new, with full origin and documents
- Check with all orders
- Stable prices, best on the market
- Have VAT invoice
Bao Tin Steel hopes that through the above article, customers will understand the current price of a 30×30 square steel tube. If you want any advice or support, don’t hesitate to call the hotline at (+84) 9832 059 176 or (+855) 0968696789 immediately.
Tiger Steel is a branch of Bao Tin Steel.

Tiếng Việt
ភាសាខ្មែរ