Yunnan q345b steel offer

Various types of pipe material explanation of various types of steel pipe Material: 1, the concept of steel: steel is ingots, billets or steel by pressure processed into various shapes, sizes and properties of the material we need. Steel is the nation-building and the four modernizations indispensable material, widely used, variety, depending on the cross-sectional shape, the steel is generally divided into sections, sheet, pipe and metal products into four categories, in order to facilitate the organization of production of steel, Ordering supplies and improve business management, it is divided into heavy rail, light rail, heavy sections, medium steel, merchant bar, steel cold-formed steel, high-quality steel, wire rod, medium plate, sheet steel, electrical steel sheet, strip , seamless steel, welded steel pipes, metal products and other varieties. 2, most of the production methods are steel steel steel processing by press working, to be processed steel (billet, ingot, etc.) is plastically deformed. According to the steel with steel processing temperature is not cold and heat processing to divide two kinds. The main steel processing method has: rolling: The steels metal blank by a pair of gap (shapes) of rotation of the roll, the roll due to compression of the material cross-section is reduced, increasing the length of the press working method, which is the production of steel common mode of production, mainly used in the production of steel profiles, sheet, pipe. Minute cold-rolled, hot-rolled. Forged steel: the use of a reciprocating hammer impact force or pressure to press the blank into what we needed to change the shape and size of a pressure-processing methods. Generally divided into free forging and forging, commonly used for the production of large sections, open cross-section billet-foot steel-inch larger material. Pullout steel: is already rolled metal blanks (type, pipe, products, etc.) through the die orifice pull aside a section reduction increase the length of the working methods are mostly used as a cold. Extrusion: is placed in a sealed steel metal squeeze Jane, put pressure on one end of the metal from the provisions of the extrusion die orifice obtained had the same shape and size of the finished product processing methods, used for the production of non-ferrous metal Steel First, ferrous metals, steel and non-ferrous steel before classification introduced briefly explain ferrous metals, steel and steel with the basic concepts of non-ferrous metals. 1, black metal refers to iron and iron alloys. Such as steel, pig iron, ferroalloy, iron and so on. Steel and cast iron steel products are based on carbon as the main element of the alloy, known collectively as the iron-carbon alloys. Refers to the iron ore into pig iron blast furnace smelting products, mainly for steel and steel castings are made. The cast iron smelting in the cupola, to obtain cast iron (liquid), the liquid cast iron into the casting of steel, cast iron called iron castings such. Iron alloy is an alloy of iron and silicon, manganese, chromium, titanium and other elements of ferroalloy steelmaking raw materials is one to do when steel steel steel deoxidizer and alloying elements used additives. 2, the steel-making pig iron into steel smelting furnace by a certain process, to obtain steel. Steel products are steel ingot, billet and then forged steel straight various steel castings. Often speak of steel, generally refers to a variety of steel rolled steel. Steel steel is steel black metal but not exactly black metal. 3, also known as non-ferrous metals nonferrous steel means than black metal outer metals and alloys, such as copper, tin, lead, zinc, aluminum and brass, bronze, aluminum and bearing alloys. Also in the industry also uses chromium, nickel, manganese, molybdenum, cobalt steel, vanadium, tungsten, titanium, alloys of these metals is mainly used as additions to improve the properties of the metal, wherein the tungsten, steel and titanium, molybdenum, used to produce more carbide cutting tools used. These are called non-ferrous industrial metals, steel and precious metals in addition to: platinum, gold, silver and precious metals, including radioactive uranium, radium and other steel products.