Regeneration and processing methods of waste stainless steel
For smelting stainless steel, the "non-oxidation method", "oxidation method" and "return oxygen blowing method" smelting processes are generally adopted, while the "return oxygen blowing method" is adopted, and the stainless steel scrap is directly smelted with low cost and high efficiency. Nowadays, in some developed countries abroad, stainless steel is mostly smelted by "return material oxygen blowing method".
However, the stainless steel scrap used in this smelting method accounts for about 50-80% of the total raw materials. If there is no stainless steel scrap resource, it will become a "cooking without rice". In Zhejiang, Guangdong and other regions, some small enterprises use induction furnace melting scrap steel as raw material to produce stainless steel tubes and bars, some enterprises further reprocess stainless steel strips, welded pipes, wires, wires and other products using stainless steel as raw material, and some small processing plants produce elbows, screws, screws, chemical accessories, etc. from scrap scrap stainless steel.Regeneration and processing methods of waste stainless steel
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Detailed classification of stainless steel materials
The microstructure can be classified into martensite, austenite, ferrite and duplex stainless steel.
The Use of Stainless Steel Bars
The modern national economy includes many sectors, such as industry, agriculture, transportation, construction, commerce, and health, all of which are important components of the national economy. The metallurgical industry is an important component of modern industry.
Application range of stainless steel materials
316 stainless steel has good oxidation resistance during intermittent use below 1600 degrees Celsius and continuous use below 1700 degrees Celsius.
Production process and classification of stainless steel bars
Stainless steel bars are made from stainless steel ingots, which are hot-rolled or forged.
Product characteristics of stainless steel materials
Beautiful surface and diverse possibilities for use;Good corrosion resistance, easier to use than ordinary steel;
Recovery and analysis of waste stainless steel
In China, the stainless steel resources are even more scarce. Every year, there is hardly any waste stainless steel that can be recycled. Because of the long service life of stainless steel, it will not be scrapped in several years or even decades. Therefore, the amount of scrap steel recovery is less. Therefore, a large part of China's waste stainless steel recycling depends on imports.
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