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Stainless steel gas-liquid filter mesh
Generally must be acid resistant steel, in practice, often called the weak medium corrosion resistant steel stainless steel, and called the resistance to chemical corrosion medium steel acid-resistant steel. Commonly used Stainless steel gas-liquid filter mesh material has: 304, 304 l, 304, 316, 316 l, 316, etc. Stainless steel gas-liquid filter mesh product features are: weak corrosive medium such as air, steam, water resistance and acid, alkali, salt and other chemical etching medium corrosion of the steel. Also called acid-proof stainless steel. In practical application, often called the weak corrosive medium corrosion resistant steel stainless steel, and called the resistance to chemical corrosion medium steel acid-resistant steel. Due to the chemical composition on the difference between the two, the former does not necessarily medium resistance to chemical corrosion, while the latter are generally not rust. The corrosion resistance of stainless steel depends on the alloy element content in the steel. Chromium is the basic element to stainless steel for corrosion resistance, while about 12% chromium content in steel, chromium and oxygen effect of corrosive medium, in the steel surface to form a thin layer of oxide film (since the passivation film) can prevent steel substrate further corrosion. Commonly used alloying elements except chromium and nickel, molybdenum, titanium, niobium, copper, nitrogen, etc., in order to meet the requirements of various applications on the microstructure and mechanical properties of stainless steel. The Stainless steel gas-liquid filter mesh must be acid resistant steel in general.
304, 316 l Stainless steel gas-liquid filter mesh
304 is a kind of common stainless steel, it is widely used to make for a good comprehensive performance, corrosion resistance and formability of equipment and parts. 304 stainless steel is according to the United States ASTM standards to produce a brand of stainless steel. The equivalent of 304 0 cr18ni9 stainless steel of our country. 304 17% chromium and nickel 17%.
316 l is molybdenum stainless steel, as a result of molybdenum in steel, stainless steel, the steel grade overall performance is better than 310 and 304, under the condition of high temperature when the concentration of sulfuric acid is less than 15% and higher than 85%, the 316 l stainless steel has a wide range of USES. 316 l stainless steel also has good performance of chloride erosion. The pitting corrosion resistance, high temperature, creep, good strength.
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