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Sieve can use wire from a variety of materials. One of them and it is commonly used in industry is stainless steel grating. Today we will come to understand about stainless steel. What is stainless steel? Stainless steel, or nomenclature is called stainless steel. It is a steel with low carbon content (less than 2% of the weight contains at least 10.5% chromium. Originated in 1903 when scientists found that The addition of nickel, mobidinum, titanium, nionium or other metals varies by type. of mechanical properties And its use in ordinary steel makes it resistant to rust. Types of stainless steel can be divided into 5 main types: Austenitic grade, non-stick magnetic In addition to the mixture of chromium It also contains nickel that improves corrosion resistance. Austenitic type is the most widely used. Among stainless steels and others, austenitic alloys with a high content of 20% to 25% chromium and 1% to 20% nickel are resistant to oxidizing at high temperatures. which is used in the components of the heat pipe furnace And the heat shield in the engine is called Heat Resisting Steel, Ferritic Grade, Magnetic Adsorption. low carbon content and chromium as the main ingredient is about 13% or 17% martensitic grade. (Martensitic) Magnetic attraction It typically contains 12% chromium and a moderate carbon content. They are often used to make forks, knives, cutting tools and other engineer tools. which require outstanding features in abrasion resistance and durability Duplex grade (Duplex) magnet attached. It has a ferrite and austenite alloy structure with an alloying content of approximately 18-28% chromium and 4.5-8% nickel. This steel is often used in highly chlorinated applications to prevent corrosion. Pinhole corrosion) and improves resistance to stress corrosion cracking (Stress corrosion cracking resistance). Precipitation Hardening Steel contains 17% chromium and nickel, copper and niobium alloys. Because this type of steel can be hardened in one go. Therefore, it is suitable for making spindles, pumps, valve heads and aircraft components. Austenitic and ferritic, which account for 95% of the stainless steel in use today. But if subdivided, it can be more than 50 types. Stainless steel is not the only alloy. but is classified as a kind of steel The alloy contains at least 10.5% chrome. Other components have been added to enhance rust protection and heat generation, adding new mechanical properties and ingredients. So stainless steel is more than 50 Types are defined by the American Iron and Steel Institute (AISI). There are generally three classifications of stainless steel: metal technical components
AISI sorting system
The same grouping of sequencing systems was developed by the American Organization for Mineral Testing (ASTM) and the Engineering Vehicle Organization. It assigns numbers to all metals and alloys.