We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
Carbon steel rectangular tubes are valued across numerous industries for their durability, versatility, and cost-effectiveness. These tubes are produced by shaping a flat steel sheet or coil into a rectangular cross-section, followed by either welding or seamless forming. Below is a detailed breakdown of their features and uses.
Key Features of Carbon Steel Rectangular Tubes:
- Material Composition:
Carbon Steel: Comprised mainly of iron and carbon, with small amounts of elements like manganese, silicon, and sulfur. The carbon content varies between 0.05% and 0.25%, depending on the grade.
- Shape and Dimensions:
Rectangular Cross-Section: The tube has a defined rectangular shape with four sides.
Dimensions: Tubes are specified by width, height, and wall thickness. Common sizes range from smaller tubes (e.g., 1" x 2") to larger ones (e.g., 12" x 8").
Wall Thickness: Typically varies from 1.5mm to 12.5mm, with heavier applications using thicker walls.
- Surface Finish:
Hot-Rolled: Features a rougher finish, suitable for structural applications.
Cold-Rolled: Offers a smoother, more polished finish, often used in applications requiring precision and aesthetics.
- Grades:
Mild Steel Grades: Popular grades like ASTM A500, A513, and A36 are used for general structural purposes.
Higher Carbon Grades: For applications needing additional strength and wear resistance, higher carbon grades such as ASTM A106 are preferred.
Applications of Carbon Steel Rectangular Tubes:
- Construction and Structural Applications:
Building Frames: Frequently used for columns, beams, and supports in construction due to their strength and load-bearing capability.
Bridges: Utilized in components like trusses and girders for their ability to handle heavy loads.
Machinery Frames: Ideal for supporting heavy machinery due to their rigidity.
- Fabrication and Manufacturing:
Automotive Industry: Used in vehicle frames, chassis, and roll cages for their combination of strength and lightweight properties.
Furniture: Employed in modern and industrial furniture design for sleek and durable frames.
Metal Fabrication: Widely used in creating products like storage racks, conveyors, and housing for equipment.
- Transportation and Infrastructure:
Railings and Guardrails: Commonly used for safety railings and barriers on highways and in industrial facilities.
Transportation Systems: Integral to the construction of buses, trucks, trailers, and other transportation infrastructure.
- Agricultural Equipment:
Farm Machinery: Essential in the fabrication of farm equipment, such as plows, trailers, and storage structures, providing durability and strength.
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