What is angle steel_What are the main angle steel materials


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Angle steel is commonly known as angle iron, which is a long strip of steel with two sides perpendicular to each other. It is the same type of steel, but the name is not consistent. It is a special steel used for making shelves. It has various shapes and punches with many long holes to facilitate people to connect screw angle steel. What is angle steel is mainly used for personal use in shopping malls and factories to make shelves. (It is like making aluminum alloy profiles for windows and doors for the convenience of people to make shelves.) This type of steel is called universal angle iron or universal angle steel.
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Angle steel is a solid strip of steel with a circular cross section. Its specifications are expressed in millimeters of diameter, such as "50" means round steel with a diameter of 50 mm. Angle steel material: Q195, Q235, 10 what are the common angle steel materials, 20 #, 35 #, 45 #, Q215, Q235, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCr15, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi, 5CrMnMo, etc. The carbon content is less than 1.35%. Except for iron, carbon and silicon, manganese, phosphorus, sulfur and other impurities within the limit, the steel does not contain other alloy elements. The properties of angle steel are mainly determined by the carbon content. As carbon content increases, the strength and hardness of steel increases, and plasticity, toughness, and weldability decrease. Compared with other steels, carbon steel is the earliest used, low cost, wide performance range, and the largest amount. It is suitable for water, steam, air, hydrogen, ammonia, nitrogen, petroleum products and other media with a nominal pressure PN≤32.0MPa and a temperature of -30-425 ℃. Commonly used grades are WC1, WCB, ZG25 and high-quality steel 20, 25, 30 and low-alloy structural steel 16Mn.
Angle steel is commonly known as angle iron, which is a long strip of steel with two sides perpendicular to each other. There are two types of equilateral angle steel and unequal angle steel. The width of the two sides of an equilateral angle is equal. Its specifications are expressed in millimeters of side width x side width x side thickness. For example, “∠30 × 30 × 3” means an equilateral angle steel with a width of 30 mm and a thickness of 3 mm. It can also be expressed by the model, which is the number of centimeters of side width, such as ∠3 #. The model number does not indicate the dimensions of different side thicknesses in the same model, so the side width and side thickness dimensions of the angle steel should be filled in on the contract and other documents to avoid using the model number alone. The specifications of hot-rolled equilateral angle steel are 2 # -20 #. The angle steel can be composed of various force-bearing members according to the different needs of the structure, and can also be used as a connection between the members. It is widely used in various building structures and engineering structures, such as house beams, bridges, power transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, container racks and warehouses.
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