202 Stainless Steel Coil

202 Stainless Steel Coil

202 stainless steel is an austenitic chromium-nickel-manganese alloy. It has high ductility, good corrosion resistance and excellent toughness in both high and low temperature environments. 202 stainless steel is one of the most widely used 200 series stainless steel. 202 stainless steel, the austenitic structure is stabilized by the addition of nickel and manganese, thereby preventing the formation of harmful phases, such as sigma phase or chromium carbide. The high nickel content also improves the corrosion and oxidation resistance of the steel at high temperatures.

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304 Stainless Steel Coil

304 Stainless Steel Coil

304 stainless steel is a kind of universal stainless steel material, rust resistance than 200 series of stainless steel material is stronger. High temperature resistance is also better, can be as high as 1000-1200 degrees. 304 stainless steel has excellent corrosion resistance and good intergranular corrosion resistance. For oxidizing acids, it is concluded in the experiment that 304 stainless steel has strong corrosion resistance in nitric acid with a concentration of less than or equal to 65% of the boiling temperature. It also has good corrosion resistance to alkali solution and most organic and inorganic acids.

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440C Stainless Steel Plate

440C Stainless Steel Plate

440C grade stainless steel is a kind of high carbon martensitic stainless steel. High strength, medium corrosion resistance, good hardness and wear resistance. Grade 440C achieves the highest strength, hardness and wear resistance of any stainless steel alloy after heat treatment. Its extremely high carbon content is the reason for these characteristics, which makes the 440C particularly suitable for applications such as ball bearings and valve parts.

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439 Stainless Steel Plate

439 Stainless Steel Plate

439 steel is in the ordinary ferrite material (430) on the basis of reducing the content of C, while adding Ti and other stabilizing elements, so that the steel intergranular corrosion resistance, formability and weldability are improved. Compared with the 304 steel, although the elongation is low (about 30%), but the strength, corrosion resistance, and corrosion resistance is better than 200 series materials.

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430 Stainless Steel Plate

430 Stainless Steel Plate

430 grade is a ferritic, straight chromium, non-hardenable grade that combines good corrosion resistance and formability characteristics with useful mechanical properties. Its resistance to nitric acid attack allows it to be used in specific chemical applications, but automotive trim and electrical components represent its largest areas of application.

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420 Stainless Steel Plate

420 Stainless Steel Plate

420 is a hardenable martensitic stainless steel that contains at least 12% chromium, just enough to provide corrosion resistance. It has good ductility in the annealed condition, but can be hardened to a minimum Rockwell hardness of 50 HRC, which is the highest hardness in the 12% chromium scale. Due to its hardening properties, 420 are not often welded, although this is possible. Martensitic stainless steel is designed for high hardness, and sometimes other properties will be affected to a certain extent. The corrosion resistance is lower than that of ordinary austenite grades, and its effective operating range is limited by its ductility loss at sub-zero temperatures and strength loss due to excessive tempering at high temperatures. The best corrosion resistance is obtained when the metal is hardened and subjected to surface grinding or polishing.

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416 Stainless Steel Plate

416 Stainless Steel Plate

416 is a martensitic free-working chromium steel alloy, which is generally considered a first free-working stainless steel. It has the highest machinability of any stainless steel, about 85% of free-machining carbon steel. Martensitic stainless steels are designed to harden by heat treatment and have corrosion resistance. Although the corrosion resistance of 416 alloy and other martensitic stainless steels is not as good as that of austenitic or ferritic stainless steels, it still exhibits good corrosion and oxidation resistance and high strength in hardened and tempered conditions.

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410 Stainless Steel Plate

410 Stainless Steel Plate

410 is a basic general-purpose martensitic stainless steel, used for high-stress parts, with good corrosion resistance and high strength and hardness. The alloy 410 contains at least 11.5 percent chromium, which is just enough to exhibit corrosion resistance in mild atmospheres, vapors, and many mild chemical environments. It is a general-purpose grade, usually provided in a hardened but still processable condition, for applications that require high strength, medium heat resistance and corrosion resistance. After the 410 is hardened, tempered and polished, it shows the greatest corrosion resistance.

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409 Stainless Steel Plate

409 Stainless Steel Plate

409 is a general purpose chromium, titanium stabilized ferritic stainless steel, its main application is automotive exhaust systems. It contains 11% chromium, which is the lowest amount to form a passive surface film, which makes stainless steel corrosion resistant. It combines good high temperature corrosion resistance, medium strength, good formability and overall cost. Compared with carbon steel, 409 has strong corrosion resistance and is used as a substitute for carbon steel in mildly challenging environments. In this environment, its high resistance to corrosion and high temperature oxidation has advantages. It is usually used in applications where appearance is a secondary quality to mechanical properties and corrosion resistance.

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