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Square and rectangular pipe is a name for square pipe and rectangular pipe, that is, steel pipes with equal and unequal side lengths. It is made of strip steel that has been processed and rolled. Generally, the strip is unpacked, flattened, coiled, welded to form a round tube, and then rolled into a square tube from the round tube and then cut to the required length.
Rebar is a common name for hot-rolled ribbed steel bars. The grade of ordinary hot-rolled steel bar consists of HRB and the minimum yield point of the grade. H, R, and B are the first letters of the three words, Hotrolled, Ribbed, and Bars, respectively.
Angle steel is a carbon structural steel for construction, which is a section steel with a simple section, mainly used for metal components and the frame of a workshop.
Round steel refers to a solid long strip of steel with a circular cross-section. Its specifications are expressed in diameter in millimeters (mm), such as "50mm", which means round steel with a diameter of 50 mm.
The cross-sectional shape is similar to the economical section profile of the uppercase Latin letter H. It is also called universal steel beam, wide edge (edge) I-beam or parallel flange I-beam. The cross section of the H-section steel usually comprises two parts, a web and a flange plate, also known as the waist and the side. Divided into single-sided electroplating and double-sided differential electroplating
The zinc square tube has uniform thickness and strong adhesion. No peeling,good corrosion resistance. Zinc flower surface is smooth clean symmetry, beautifu.
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