Square pipe is a name for square pipe, which is a steel pipe with equal side lengths. It is made of strip steel rolled through process treatment. Generally, the strip steel is unpacked, flattened, curled, and welded into a round tube, which is then rolled into a square tube and then cut to the required length.

Rectangular tube is a name for square tube, which is a steel tube with unequal side lengths. It is made of strip steel rolled through process treatment. Generally, the strip steel is unpacked, flattened, curled, and welded to form a round tube, which is then rolled into a square or rectangular tube and then cut to the required length.

Square pipe is a name for square pipe, which is a steel pipe with equal side lengths. It is made of strip steel rolled through process treatment. Generally, the strip steel is unpacked, flattened, curled, and welded into a round tube, which is then rolled into a square tube and then cut to the required length.

Carbon steel square pipe is a square metal pipe composed of carbon and iron elements and has a wide range of applications. The pipe is made from high quality carbon steel material and is widely used in the construction, engineering and manufacturing industries.

Carbon steel square pipe is a square metal pipe composed of carbon and iron elements and has a wide range of applications. The pipe is made from high quality carbon steel material and is widely used in the construction, engineering and manufacturing industries.

Square pipe is a name for square pipe, which is a steel pipe with equal side lengths. It is made of strip steel rolled through process treatment. Generally, the strip steel is unpacked, flattened, curled, and welded into a round tube, which is then rolled into a square tube and then cut to the required length.

Carbon steel square pipe is a square metal pipe composed of carbon and iron elements and has a wide range of applications. The pipe is made from high quality carbon steel material and is widely used in the construction, engineering and manufacturing industries.

Rectangular tube is a name for square tube, which is a steel tube with unequal side lengths. It is made of strip steel rolled through process treatment. Generally, the strip steel is unpacked, flattened, curled, and welded to form a round tube, which is then rolled into a square or rectangular tube and then cut to the required length.

Carbon steel square pipe is a square metal pipe composed of carbon and iron elements and has a wide range of applications. The pipe is made from high quality carbon steel material and is widely used in the construction, engineering and manufacturing industries.