2021-04-01 14:37:25
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Author: Wanzhi
Count steel in China is the power, anyone has been heard, some experts think that China's steel and iron and steel association powers, in a meeting, an industry expert, said China's steel industry has been in the forefront of the world's iron and steel, but now we don't steel big country, and is a steel power.
The main reasons given by comprehensive experts are as follows:
I. China's iron and steel industry is a "pillar" basic industry in China's national economy, with an operating income of 7.07 trillion yuan in 2019. No matter in terms of production capacity or consumption capacity, China's iron and steel industry, with its huge volume advantage, is unmatched by any other major categories in China. In 2020, China will produce about 1.05 billion tons of crude steel, accounting for more than 56% of the world's crude steel production, iron production has reached more than 65%, and steel consumption is close to 1 billion tons.
2. China's iron and steel industry has basically completed independent research and development of technology and equipment for major processes such as coking, sintering, ironmaking, steelmaking, continuous casting and steel rolling. The rate of domestic production of large metallurgical equipment is more than 95%, and China has the ability to independently build modern steel mills with an annual output of 10 million tons.
In the world of steel enterprises, China baowu has entered the first-class ranks, CITIC special steel, qingshan stainless steel and other special steel level also have unique skills. China Iron and Steel Capacity Replacing Institute's new enterprise has used the world's most advanced process, technology and equipment, leading the world in green, low-carbon, intelligent manufacturing and information technology.
China's iron and steel industry has a strong industrial foundation and industrial advantages, and can produce all kinds of steel basically. Among them, the production of automotive steel, large electrical steel for transformers, high-performance long distance pipeline steel, high-speed rail, construction bridge steel and other steel products have entered the first echelon in the world.
Five, China has built more than 20 national key laboratory, the domestic number of products and new products, has been implemented by following the lead of span, such as widely used in aerospace, medical and other fields of hand tore steel, super steel tensile strength reached two billion two hundred million mpa, Northeastern University, wu, WuGang, citic, xingang, such as research and development, last year won the first prize in a national science and technology progress of green technology of electroslag remelting, etc.
Galvanized corrugated steel sheet is made of galvanized steel. It is also known as corrugated GI sheet. It combines the strength of steel with the smooth surface of zinc coating. Due to its durability and beautiful appearance, it is widely used in many industry, especially roofing and wall panels. Compared to color coated steel sheet, GI corrugated steel sheet is more cost-effective. The available thickness is from 0.12 to 1.5 mm, and the width varies from 600 to 2,000 mm. Welcome to contact us for details!
Read morePPGL steel is an innovative product by combining the strength of steel with the anti-corrosive capabilities of coatings. It is short for pre-painted galvalume steel coil, which uses aluminum-galvanized sheet as base metal. The material is exceptionally resistant to corrosion and high temperature up to 315 degrees. PPGL coils are used in a wide variety of applications such as roofing & cladding, doors & windows, lighting, vehicle manufacturing, furniture, home appliance, and shipbuilding industry. Wanzhi Steel offers PPGL coil with width of 600-1,250 mm, and the thickness of 0.12-1.2 mm. There are also various colors and patterns to choose from. Welcome to contact us!
Read moreGalvalume Steel Coil is a kind of Alloy-Coated Steel Sheet widely used in building materials, household appliances,automobiles, environment, machinery, ships and many other fields. The surface coating of galvalume steel sheet is composed of 55% aluminium, 43.5% zinc and a small amount of other elements. 1. Heat reflectivity: Aluminum-coated galvanized steel sheet has a high thermal reflectivity, which is twice as high as galvanized steel sheet. It is often used as insulation material. 2. Heat resistance: Aluminum-zinc alloy steel sheet has good heat resistance and can withstand high temperatures of more than 300 degrees Celsius. 3. Corrosion resistance: The corrosion resistance of aluminized and galvanized steel coils is mainly due to the protective function of aluminium and aluminium. When zinc is abraded, aluminium forms a dense layer of alumina,which prevents further corrosion of corrosion-resistant substances. 4. Economy: Because the density of 55% Al-Zn is smaller than that of Zn, the area of galvanized steel sheet is more than 3% larger than that of galvanized steel sheet under the same weight and thickness of gold plating. 5. Easy to paint: Aluminum-coated galvanized sheet and paint have excellent adhesion and can be painted without pretreatment and weathering treatment. 6. Aluminum-galvanized steel sheet has a silver-white gorgeous surface.
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