Q235B Galvanized Square Tube

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of q235b galvanized square tube in China. With abundant experience, we warmly welcome you to wholesale customized q235b galvanized square tube from our factory. For price consultation, contact us.

Mechanical Properties: In addition to the minimum yield strength of 235 MPa, the tensile strength of Q235B is generally in the range of 370 - 500 MPa. It also has good ductility, with an elongation rate of not less than 26% (for thickness or diameter less than 16 mm).

Galvanizing Process: A galvanized square tube is a square - shaped hollow steel tube that has been coated with zinc. The most common galvanizing process is hot - dip galvanizing. In this process, the square tube is immersed in a bath of molten zinc at a high temperature (usually around 450 - 460°C). The zinc reacts with the steel surface to form a series of zinc - iron alloy layers and a pure zinc outer layer. This coating provides excellent corrosion resistance to the steel tube.

Shape and Dimensions: As a square tube, it has a hollow cross - section with four equal sides. The dimensions of the Q235B galvanized square tube can vary widely. The side length of the square cross - section can range from a few millimeters to several tens of centimeters, depending on the specific application requirements. The wall thickness also varies, usually from about 1 - 10 mm or more.

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