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Carbon Steel Q235 Steel ERW Pipe

Carbon Steel Q235 Steel ERW Pipe

The Carbon Steel Q235 Steel ERW Pipe is a carbon structural steel. Such steel is generally smelted by converter or open hearth furnace. Its main raw material is molten iron and scrap steel. The content of sulfur and phosphorus in steel is higher than that of high quality carbon structural steel.

Carbon Steel Q235 Steel ERW Pipe

The Carbon Steel Q235 Steel ERW Pipe is a carbon structural steel. Such steel is generally smelted by converter or open hearth furnace. Its main raw material is molten iron and scrap steel. The content of sulfur and phosphorus in steel is higher than that of high quality carbon structural steel. Generally, sulfur is ≤0.050% and phosphorus is ≤0.045%. The content of other alloying elements brought into the steel by the raw materials, such as chromium, nickel and copper, is generally not more than 0.30%. According to the composition and performance requirements, the grades of such steels are Q195, Q215A, B, Q235A, B, C, D. Q255A, B, Q275 and other steel grades.

This type of steel has the largest output and is widely used. It is rolled into sheets, profiles (round, square, flat, work, grooves, corners, etc.) and welded steel pipes. It is mainly used for building structures such as factories, bridges, ships, etc. and pipes for general conveying fluids. Such steels are generally used directly without heat treatment.

The Q235 welded pipe is used to deliver low pressure fluid. The specification of the welded pipe is expressed by the nominal diameter (mm or inch). The nominal diameter is different from the actual one. The welded pipe has two kinds of ordinary steel pipe and thick steel pipe according to the specified wall thickness. The steel pipe is divided into two types according to the pipe end and the thread.

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