قیمت 20×20 Steel Square Box

One of humanity’s significant advancements over time has been replacing wooden components with steel sections in domestic and industrial applications. For instance, in the past, wooden frames were commonly used for doors, windows, bookshelves, and household furniture. Today, such products are rarely made entirely of wood and are more often combined with steel for durability and aesthetics.

Among the most commonly used steel sections in both industrial and residential settings are steel profiles. These profiles come in a wide variety of shapes and types. One such category is the 20×20 steel square box. In this article, we will explain how this profile is produced and where it is applied. Stay with us through the end of this guide.

What Is a 20×20 Steel Square Box?

Steel profiles, essential components in numerous industries, are produced in various forms and dimensions. Generally, they are categorized into open and closed cross-sections. One type of closed-section profile is the steel box section (also known as a square box), manufactured in different sizes and specifications to meet diverse industry needs.

The term for this product in English is box section or steel square tube, and it typically ranges in dimensions from a minimum of 10×10 mm up to 500×500 mm. The most widely used size is the 20×20 mm box section, which we will explore in detail below.

Types of Box Sections

20×20 steel square box sections are available in several material types, the most common of which include:

• Carbon Steel Box Sections

• Aluminum Box Sections

• Stainless Steel Box Sections

• Composite Box Sections

• Galvanized Box Sections

How Is the 20×20 Steel Square Box Section Manufactured?

The 20×20 steel box section is manufactured from carbon steel sheets, typically containing elements such as silicon, carbon, sulfur, phosphorus, and manganese. The production process begins with slitting the steel sheets into defined widths using slitting machines. Next, the slit sheets are fed into specialized forming machines, where they are shaped into square tubes. Once formed, the tubes are cut to predefined lengths. Hot-rolled (black) steel sheets and cold-rolled (oiled) sheets are commonly used as raw materials. Standard production lengths for these profiles are typically 6 meters or 12 meters.

Applications of 20×20 Steel Square Box

Due to their square shape and structural versatility, 20×20 box sections are widely used across various industries, including:

• Automotive Industry
  Used for manufacturing roof racks and vehicle cargo compartments.

• Home Appliance Industry
  Extensively used in products such as beds, wardrobes, coat racks, furniture, refrigerators, and washing machines.

• Sports Equipment
  Found in gym equipment, fitness center machines, and outdoor fitness installations.

• Educational Equipment
  Used in school furniture like benches, classroom chairs, and lab tables.

• Medical Equipment
  Applied in the production of hospital beds, lab devices, and patient transport systems.

In addition to the above, 20×20 box sections are also used in agriculture, construction, defense industries, and for traffic sign structures.

Weight of 20×20 Box Sections

The weight of a box section is an essential factor in its application and is influenced by the wall thickness, length, and type of steel sheet used. Wall thicknesses generally range from 1.5 mm to 8 mm. Naturally, the greater the initial sheet thickness, the heavier and stronger the final profile. The primary material used is iron (steel) derived from iron ore, which has a relatively high density. The weight of a 20×20 box section can be calculated using the formula below:

Weight (kg/m) = (Thickness × 2 × 2 × 7.874) ÷ 1000

If the calculated weight closely matches the actual weight measured by the scale, it indicates the profile’s high quality. Significant discrepancies usually point to lower manufacturing standards. For instance, the typical weight of a 20×20 box section per standard length is approximately 7.35 kg per piece.

Weight of 20×20 Steel Square Box

Weight of 20×20 Steel Square Box

Assuming a 6-meter length, the weight per piece based on thickness is as follows:

• 1 mm thickness: 3.72 kg per piece

• 1.25 mm thickness: 4.50 kg per piece

• 1.5 mm thickness: 5.46 kg per piece

• 2 mm thickness: 7.08 kg per piece

Light vs. Heavy Steel Square Boxes

As previously mentioned, square tubes are manufactured with different wall thicknesses. This variance in thickness leads to classification by weight:

• Light-duty (furniture-grade) box sections: Wall thickness less than 2 mm

• Heavy-duty box sections: Wall thickness of 2 mm or more

Buying a 20×20 Steel Square Box

The details covered above are critical when purchasing 20×20 steel box sections. The price is affected by several factors, including:

• Cost of the steel sheet used

• Transportation costs

• Manufacturer’s brand and reputation

Shahin Felez Sepahan is one of the leading producers of steel box sections and supplies this product at competitive prices and high quality. For price inquiries or purchasing advice regarding 20×20 box sections, contact our expert sales team.