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‌Carbon steel black square tube‌ is a square cross-section steel tube made of carbon steel, which has the characteristics of easy processing, high strength, corrosion resistance and long life. Its carbon content is between 0.2%-2.11%, which belongs to ordinary steel.

Definition and characteristics

Carbon steel black square tube is usually made of low carbon steel or alloy steel, with high compressive, tensile and bending strength, which can meet the requirements of various complex structures. Its surface is generally black, but it can also be enhanced by galvanizing and other treatments to enhance its anti-corrosion performance.

Application field

Carbon steel black square tube is widely used in many fields:

‌Construction field‌: used for support, truss, columns and other parts in building structures, and is often used in frame structures of buildings such as factories, warehouses, bridges, etc.

‌Machinery manufacturing‌: used to manufacture machine parts, conveying equipment, etc.

‌Furniture manufacturing‌: used to make furniture such as coffee tables, dining tables, bookshelves, etc.

‌Energy facilities‌: used to build energy facilities such as power towers and wind power towers.

Traffic facilities: used to make road guardrails, traffic sign poles, etc.

Production process and selection suggestions

Carbon steel black square tubes are usually made by welding process. Common finished product sizes are 3020mm, 4020mm, 50*25mm, etc., and can also be customized according to customer needs. When choosing, factors such as material, size, appearance quality, load-bearing capacity and price should be considered to ensure that the selected product can meet the use requirements.

In summary, carbon steel black square tubes have become an indispensable material in many industries due to their excellent performance and wide application fields.