Besides square and rectangular steel tubes, have you ever heard of triangular steel tubes? For those who are working in the construction and design industry, it is certainly not too strange. However, as a regular customer, not everyone knows about this type of steel. That is why Bao Tin Steel wants to help you have the most general overview of them through the article below.
What is a triangular steel tube? What are its characteristics?
A triangular steel tube is a steel tube with a triangular cross-section. It is formed by bending or welding steel plates into a triangular shape. With its durability and sturdy structure, the triangular steel tube is used in many construction projects today.

The triangular steel tube has outstanding features such as:
- Triangular steel tubes feature a robust triangular structure that provides excellent load-bearing capacity. They are also resistant to deformation and can support heavy loads efficiently.
- The triangular shape helps increase the stability of the structure. This helps to minimize the risk of warping or deformation.
- Compared to other types of steel with the same load-bearing capacity, triangular steel tubes are often lighter in weight. This helps reduce the load on the structure.
- With its unique design, the triangular steel tube also brings high aesthetic value to the project.
- Triangular steel tubes come in many different sizes to suit many types of projects and purposes.
Technical specifications of triangular steel tube
- OD: 19 mm – 108 mm
- ID: 12 mm – 95 mm
- Length: 1000 (mm) – 6000 (mm)
- Thickness: 0.8 mm – 3.5 mm
- Origin: Japan, Korea, China,…
- Production standards: JIS G3101, STK 400, ASTM A500
- Steel grade: Q235B, CT3, SS400, A36.
Detailed quotation of triangular steel tube
There are many factors affecting the current price of triangular steel tubes such as:
- Size: The length, height, and thickness of the steel bar will directly affect the price.
- Steel quality: The standard of steel production and the alloying element content will determine its durability and price.
- Quantity: Bulk purchases often result in price discounts.
- Manufacturer: Different brands will have different prices.
- When to buy: Steel prices may fluctuate according to the market.
- Location: Prices in different areas may vary due to shipping costs and other factors.
To find the most accurate price for a triangular steel tube, we recommend contacting a steel supplier directly. It’s important to research and choose a reputable supplier, as only reliable companies can guarantee the origin of their products and provide the necessary documentation. Additionally, reputable suppliers are likely to offer more thoughtful and comprehensive customer care policies.
Applications of triangular steel tube

With its great advantages, triangular steel tubes are used in many applications such as:
- Triangular steel tubes are used as frames for construction works such as factories, warehouses, cranes, and high-rise buildings.
- Making columns, beams, trusses, and scaffolding for civil and industrial works.
- Triangular iron is bent to create railings, fences, and gates.
- Used to make stairs, ladder frames, shelves, and repair frames to ensure sturdiness and safety for users.
- Making frames for industrial and agricultural machinery and equipment
- Used to manufacture mechanical parts such as shafts, gears, cranks, etc.
Above is basic information about triangular steel tubes. Bao Tin Steel hopes this knowledge will be useful to everyone!
Tiger Steel is a subsidiary of Bao Tin Steel

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