Steel pipes can also be divided into seamless steel pipes and welded steel pipes according to the production process. Seamless steel pipes are divided into hot-rolled and cold-rolled (drawn). Welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes.
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The size standards of steel rods cover steel rods of different shapes and sizes, including round steel, square steel, flat steel, hexagonal steel, octagonal steel, etc. These standards mainly involve cross-sectional shape, size, weight and allowable deviations, length and allowable deviations, and appearance.
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The difference between steel coils and steel strips
The difference between steel coils and steel strips mainly lies in their size and use. Steel coils usually refer to larger width coils, while steel strips refer to narrower coils and are used in specific processing areas.
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Can steel plates and stainless steel be welded?
Steel plates and stainless steel can be welded. Before welding, it is necessary to use an angular grinding wheel to grind off the galvanized layer at the place to be welded.
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Angle steel is a versatile structural steel that is widely used in various fields.
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The specification requirements for the length of the steel bar binding overlap shall not be less than 300mm. The minimum overlap length shall meet the specification requirements. According to the calculation of the overlap ratio, the vertical steel bar binding overlap position of the shear wall shall be turned up after the floor concrete of this floor is poured. Set steel joints about 1m apart. According to national standards, the overlap length of steel bars should be calculated according to the formula L=1.2d (1+λ)/α, where L is the overlap length, d is the diameter of the steel bar, λ is the length ratio of the stressed members, and α is the steel bar The ratio of tensile strength to the axial compressive strength of concrete.
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