The development of stainless steel
E-BON
E-BON
2017-11-30 14:25:07
From 1910 to 1914, the birth of the microstructures are martensite, ferrite and austenitic stainless steel, the chemical composition, main Fe-Cr and Fe-Cr-Ni two system. Nearly thirty years from the end of the first World War to the end of the Second World War (from 1919 to 1945). E-BON the stainless steel specialist, OEM ice cube manufacturer.
With the development of various industries, stainless steel has been differentiated to adapt to the working conditions. That is to say, on the basis of the three systems of the two main systems, many new stainless steels have been derived by increasing or decreasing carbon content and adding many other alloying elements. From the end of the two stations so far more than thirty years, mainly for anti seawater or salt corrosion, Y ray and neutron absorption, ultra high strength, saving nickel to develop the pitting corrosion resistance of stainless steel, atomic energy industry and manganese nitrogen hardening stainless steel nickel stainless steel stainless steel, precipitation.
In recent years, in order to solve the intergranular corrosion and stress corrosion of austenitic stainless steel, ultra low carbon stainless steel and ultra pure ferritic stainless steel have been developed respectively. At present, has been put into the market of stainless steel varieties has reached more than 230, frequently used also has nearly 50 species, of which about 80% austenitic stainless steel (18 chromium nickel --8) derivatives, and the remaining 20% is composed of 13 steel evolved.
Research and development on the main stainless steel is concentrated in two aspects: E-BON the most excellent stainless steel company, which provide you with Cocktail Shaker china.
The second aspects is the development of high strength stainless steel (i.e., the precipitation hardening stainless steel) steel is two times after World War II, along with the development of aerospace and rocket technology developed. The semi austenitic precipitation hardening stainless steel has excellent technological properties (class 17-7PH), after solution treatment, easy forming, and subsequent heat treatment (aging) high temperature deformation is small, the United States in this kind of steel used for aviation structure, and has a large number of production, countries also have similar products in use.
The first aspect of the is to improve the corrosion resistance of the steel on the corrosion problem of 18-8 steel to intergranular one, not only the development of the steel, put forward to solve the problem of the process. It also promotes the study of the mechanism of passivation and corrosion of stainless steel.
The second aspects is the development of high strength stainless steel (i.e., the precipitation hardening stainless steel) steel is two times after World War II, along with the development of aerospace and rocket technology developed. The semi austenitic precipitation hardening stainless steel has excellent technological properties (class 17-7PH), after solution treatment, easy forming, and subsequent heat treatment (aging) high temperature deformation is small, the United States in this kind of steel used for aviation structure, and has a large number of production, countries also have similar products in use.
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