Channel Steel is a long steel with concave section, which belongs to carbon structural steel for construction machinery. It is a kind of complex section steel with concave section. Channel steel is mainly used in construction, curtain wall engineering, mechanical equipment and vehicle manufacturing. China imports more channel steel than it exports. In use, it is required to have good welding, riveting and comprehensive mechanical properties. The raw material of channel steel is carbon bonded steel or low alloy steel with carbon content not more than 0.25% . The finished channel steel shall be delivered in hot-formed, normalized or hot-rolled condition. Channel steel is mainly used for building structures, vehicle manufacturing, other industrial structures and fixed cabinets, etc. . Channel Steel is often used in conjunction with i-beams. Channel Steel can be divided into 4 kinds according to shape: cold-formed equilateral channel steel, cold-formed non-equilateral Channel Steel, cold-formed internal lipped channel steel, cold-formed external lipped channel steel.
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Angle steel is a kind of carbon structural steel for building. It's a simple type of steel. Mainly used for metal components and workshop frame. Good solderability, plastic deformation property and certain mechanical strength are needed in use. The raw material of angle steel is low carbon square billets. The finished angle steel is transported in hot rolling, normalizing or hot rolling state. Angle Steel, commonly known as angle steel, is by the two sides of the long steel angle perpendicular to each other with the specification of side length and side thickness. At present the domestic angle steel specification is 2 ~ (20) , the same angle steel has 27 kinds of different side thicknesses according to the side length centimeter number. Actual dimensions and edge thickness marked on both sides of imported angle steel and related standards. Generally speaking, the angle steel with side length more than 12.5 cm is larger, the angle steel with side length 12.5ー5 cm is smaller, and the angle steel with side length less than 5 cm is smaller.
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Channel Steel is a long steel with concave section, which belongs to carbon structural steel for construction machinery. It is a kind of complex section steel with concave section. Channel steel is mainly used in construction, curtain wall engineering, mechanical equipment and vehicle manufacturing. China imports more channel steel than it exports. In use, it is required to have good welding, riveting and comprehensive mechanical properties. The raw material of channel steel is carbon bonded steel or low alloy steel with carbon content not more than 0.25% . The finished channel steel shall be delivered in hot-formed, normalized or hot-rolled condition. Channel steel is mainly used for building structures, vehicle manufacturing, other industrial structures and fixed cabinets, etc. . Channel Steel is often used in conjunction with i-beams. Channel Steel can be divided into 4 kinds according to shape: cold-formed equilateral channel steel, cold-formed non-equilateral Channel Steel, cold-formed internal lipped channel steel, cold-formed external lipped channel steel.
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H-section steel is a kind of economical and efficient section with more optimized section area distribution and more reasonable strength-weight ratio, which is named for the same section as "h" . Because all parts of H-beam are arranged at right angles, H-beam has many advantages such as strong bending resistance, simple construction, low cost and light weight. The inner and outer sides of the Flange are parallel or nearly parallel, and the end of the Flange is at right angles, hence the name parallel Flange i-steel. H-beam web thickness than the same high web of ordinary i-beam, flange width than the same high web of ordinary i-beam larger, so also known as wide-flange i-beam. It can greatly improve the carrying capacity and save 10% ~ 40% of metal. H-beam has wide Flange, thin web, many specifications and flexible use. It can save metal 15% ~ 20% when used in all kinds of truss structures. Because the inner and outer sides of the Flange are parallel and the end of the Flange is at right angle, it is easy to assemble and assemble into various components, thus the welding and riveting work can be saved about 25% , and the construction speed can be greatly accelerated and the construction period can be shortened. H-section steel is widely used in various civil and industrial building structures, various large-span industrial plants and modern high-rise buildings, especially in areas with frequent seismic activity and under high temperature working conditions; It requires large-scale bridges with large bearing capacity, good cross-section stability and large span; heavy equipment; Expressway; Ship Skeleton; Mine Support; Foundation Treatment and Dam Engineering; all kinds of machine components.
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I-beam, also known as steel beam (English name Universal Beam), is a long steel with an I-shaped cross section. I-beam is divided into ordinary I-beam and light I-beam. It is an I-shaped section steel. Due to the relatively high and narrow cross-section dimensions of both normal and light i-section steel, the moment of inertia of the two principal axes of the cross-section is quite different, therefore, it can only be directly used for bending members in the web plane or to form a lattice-type force-bearing members. It is not suitable to use the axial compression member or the member which is perpendicular to the web plane or is bent, which makes its application scope is very limited. I-BEAMS are widely used in buildings and other metal structures. Due to the relatively high and narrow section size, the inertia moment of the common i-beam and the light i-beam are quite different from each other, which limits their application. The use of i-beams shall be selected according to the requirements of the design drawings. In the structural design, I beam should be selected according to its mechanical properties, chemical properties, weldability, structural size and other reasonable choice of I beam for use.
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