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321 stainless steel sheet

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Post time 2022-6-14 12:35:49 |Show all posts
Is the a kind of surface treatment of stainless steel standard. Stainless steel plate surface after polishing, the surface is bright as a mirror, can according to hit people, called the mirror 8 k. We all know that a nickel chromium alloy steel stainless steel plate, is refers to the level of reflectivity after polishing processing (k class for the specular level). So 8 k mirror is nickel chromium alloy steel of specular level.
Stainless steel plate according to the customer on the degree of fine uns s32750 sheet stainless steel surface is different, also the extended 6 k, 10 k, such as stainless steel plate, the greater the number, the surface precision is higher. But it is not the surface precision is higher, the stainless steel plate, the better, mainly based on appropriate is given priority to. But the higher the k value, the higher the technological requirements, the higher the price is for sure.
Stainless steel carbon steel, iron, grain size and martensite stainless steel magnetic austenite size non-magnetic stainless steel, but its cold hardening generated martensite phase transformation will happen when the magnetic, can be used heat treatment method to eliminate the martensite arrangement and recover its non-magnetic, its corrosion resistance, patience and weldability forward along with the adding of chromium content, resistance to chloride stress corrosion function is better than the other varieties of stainless steel. Ferritic stainless steel because of the high chromium content, corrosion x56 line pipe resistant function and antioxidant function are relatively good, but the mechanical function and process function is poorer, more used to stress less acid structure and oxidation resistance of steel is used, this kind of steel resists atmospheric, nitric acid and corrosion of the brine solution, and have good high temperature oxidation resistance function and the characteristic of small thermal expansion coefficient, used in nitric acid and food factory equipment, also can make operation under high temperature parts, such as gas turbine parts, etc.
Stainless steel plate used in the manufacture of the 321 stainless steel sheet lining of wear resistant acid containers and equipment and pipelines. Since joined the metal titanium, make its have the better grain boundary corrosion resistance and high temperature strength. Because of adding titanium, make its effective control the formation of chromium carbide, stainless steel is austenitic stainless steel, its performance is very similar with 304, but due to join the metal titanium, make its have the better grain boundary corrosion resistance and high temperature strength.
Stainless steel plate due to add metal titanium, making the effective control of the formation of chromium carbide. Stainless steel has excellent high temperature stress rupture properties and high temperature creep resistance stress mechanical properties are better than that of 304 stainless steel, is applied to the grain boundary corrosion resistance high open in the field of chemical, coal, petroleum industry machinery, building materials heat-resistant parts and heat treatment are difficult parts, oil combustion exhaust pipes, engine exhaust pipe, boiler shell, heat exchanger, furnace parts, deadened the noise of diesel engine parts, boiler, pressure vessel, burning furnace pipe and dryers with spiral welded pipe.

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Post time 2022-6-20 15:55:46 |Show all posts
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