25th of March ,2021

Where should the stainless steel market go in the future?

As a hot material in the global construction industry, stainless steel has a pivotal position in the construction industry. As the name implies, it has the characteristics of no rust, corrosion resistance, and long-term retention of metallic luster. As small as screws, knives and forks, as large as airplanes, ships, etc., they can all be made of stainless steel.


Because stainless steel adopts the element ratio method of chromium and nickel, it can maintain high toughness and strength at low temperatures with little degradation of strength at high temperatures (at minus 330 degrees Fahrenheit, there is still 12%-18% Malleability). Thanks to the above advantages, stainless steel is also used in the manufacture of military supplies such as rockets and fighters. For example, the famous Space X and MiG-25 are all made of stainless steel.


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The popular stainless steels on the market can be roughly divided into martensitic stainless steel, ferritic stainless steel, austenitic stainless steel, duplex stainless steel and precipitation hardening stainless steel according to the metallographic structure of stainless steel. At this stage, the American Iron and Steel Institute uses three digits to indicate the internationally used stainless steel varieties:


1. Austenitic stainless steel is 300 series, such as 304 and 316.


2. Ferritic stainless steel is mainly 430 and 446.


3. The main representatives of martensitic stainless steel are 410, 420 and 44C.


4. Duplex stainless steel and precipitation hardening stainless steel are named using patent names.



And because of its excellent corrosion resistance and smooth and bright appearance, stainless steel is mostly used in seaside buildings, swimming pools, building roof walls and other scenes that require high standards for steel rust prevention. Among them, austenitic stainless steel has become the best choice among stainless steels and the "favorite of heaven" in the construction industry due to its weak/non-magnetic characteristics.


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