According to its cross-sectional shape, it can be divided into round pipes, square pipes, hexagonal pipes,s, and various special-shaped cross-section steel pipes. It is a long strip of steel with a hollow section. According to the thickness, it can be divided into three types: thin plate (thickness25mm) It is a flat steel material with a large aspect ratio and surface area. Its specifications are expressed in millimeters of diameter.Ĭhannel steel is a long strip of steel with a grooved cross-section. Round steel refers to a solid steel strip with a circular cross-section. For example, “∠30×30×3” means equilateral angle steel with a side width of 30 mm and a side thickness of 3 mm. Its specifications are expressed in millimeters of side width x side width x side thickness. The two sides of an equilateral angle are equal in width. There are equilateral angle steel and unequal angle steel. There are many section steel types, a solid long steel strip with a specific cross-sectional shape and size.Īngle steel, commonly known as angle iron, is a long strip of steel perpendicular to each other and forms an angle. Among them, SS400 is one of the most commonly used structural steel materials. Q235B and Q355B are the most commonly used low-carbon steel materials. Among them, S355JR is one of the most commonly used structural steel materials.Ĭhina: Q235, Q355, Q420, Q460, Q690, etc. Among them, ASTM A36 is one of the most commonly used low-carbon steel materials.Įurope: S235JR, S275JR, S355JR, S420MC, S460MC, etc. Steel structure materials commonly used in different countries: Steel structures comprise steel beams, columns, trusses, and other components of section steel and steel plates, which are connected by welding, bolts, or rivets. This makes them particularly suitable for large-span, super-high, and super-heavy buildings. Steel structures are one of the most common types of building structures due to their high strength, lightweight, excellent overall rigidity, and strong deformability. The appearance is beautiful, and the interior is empty No piling required, shortening the construction period Save steel consumption and save investment
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