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Steel pipe

Jul 13th, 2022 at 11:39   Phones & Tablets   Sahāranpur   100 views
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Hollow section is a type of metal profile. They are commonly made from cold-rolled steel and formed into a hollow, tubular section. This profile creates a gaping unfilled edge that extends throughout the whole steel bar, which is what gives them the alternative names of "box section" and "hollow section."

Steel hollow section also known as structural steel tube and hollow structural sections (HSS) is a type of steel that is formed into a hollow tubular section. Steel hollow sections are commonly used in welded frames, columns and as beams providing various benefits to a range of construction and mechanical applications.

Steel pipe is the long, hollow tube that is used for a variety of purposes. It is produced by two distinct methods which result in either a welded or seamless pipe. In both methods, raw steel is first cast into a more workable starting form.

Ssaw pipe (Spiral Submerged Arc-Welding Pipe), also called hsaw pipe (Helical SAW), welding line shape like a helix. It is using the same welding technology of submerged arc-welding with lsaw pipe. Differently ssaw pipe is spiral welded where the lsaw is longitudinally welded.

Lsaw pipe (Longitudinal Submerged Arc-Welding Pipe), also called sawl pipe. It is taking the steel plate as raw material, mold it by the molding machine, then do double-sided submerged arc welding. Through this process the lsaw steel pipe will get excellent ductility, weld toughness, uniformity, plasticity and great sealing. The lsaw pipe diameter range is larger than erw, normally from 16 inch to 60 inch, 406mm to 1500mm. Good performances on high pressure resistance, and low-temperature corrosion resistance.