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304 And 304L Stainless Steel Sheet

Both 304 and 304L stainless steel sheets are widely used stainless steel materials, while 304L is a low-carbon plate of 304 stainless steel plates. They all have good corrosion resistance, heat resistance, low-temperature strength and mechanical properties, and are easy to process and weld, but there are obvious differences between 304 and 304L stainless steel sheets in terms of material, chemical composition, performance and use. 1. Material: 304 and 304L are both austenitic stainless steels, but their carbon content is different. 2.Chemical composition: The carbon content of 304L is less than 0.03%; while the carbon content of 304 is less than 0.08%. Therefore, 304L stainless steel has a lower carbon content than 304 stainless steel. 3.Performance: Under normal conditions, the corrosion resistance of the two is similar. However, after welding or stress relief, 304L stainless steel has excellent resistance to intergranular corrosion. Its lower carbon content reduces the carbides . 4. precipitated in the heat-affected zone near the weld, effectively improving the resistance of stainless steel to intergranular corrosion. Ability to extend the service life of stainless steel welds. 5. Usage: Due to the above differences, 304L stainless steel is mainly used for welding processes, while 304 stainless steel is widely used in various fields. In general, 304L stainless steel plates are better than 304 stainless steel plates in corrosion resistance, especially during welding or other processing.
Product Name: 304 and 304L Stainless Steel Sheet
Standard: AISI, ASTM, DIN, JIS, GB, SUS, EN, etc.
Surafce: NO.1,2B,NO.4,BA,HL Or According to customer requirement
Material: 201, 202, 301, 302, 303, 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S 309S, 410, 410S,420, 430, 431, 440A,904L,etc
Technique: Hot rolled / cold rolled
Width: 3mm-2000mm or as required
Thickness: 0.1mm-300mm or as required
Length: As required
MOQ: 1 Ton
Customized
Original Factory Warranty
Original Factory Warranty
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    Introduction

    Chemical composition and common grades of stainless steel

    Stainless steel is a metal material with high corrosion resistance. Its main chemical elements include iron, chromium, nickel, carbon, manganese, silicon, titanium, etc. Among them, iron and chromium are the basic elements that make up stainless steel. Chromium can improve the strength, hardness and wear resistance of stainless steel. Silicon can increase the elastic limit, yield point and tensile strength of steel and is widely used in spring steel.

    In addition, depending on the stainless steel model and use, it may also contain other trace elements, such as molybdenum, copper, etc. For example, molybdenum can improve the high-temperature strength and creep resistance of stainless steel. The more common ones we use daily are 316, 316L, 304, and 304L stainless steel.

    304 Stainless Steel Sheet

    The chemical composition of 304 stainless steel sheet mainly includes iron, chromium, nickel and other elements, of which the chromium content is more than 18% and the nickel content is about 8%. This stainless steel plate has a smooth surface and good reflective properties, so it is often used to make decorative materials. Due to its excellent corrosion resistance and high temperature resistance, it is widely used in food production equipment, chemical equipment, nuclear energy and other fields.

    304L Stainless Steel Sheet

    The 304L stainless steel plate has excellent corrosion resistance and formability. Compared with 304 stainless steel, its carbon content is lower, so annealing is not required after welding. It has good oxidation resistance at high temperatures, reaching temperatures up to 1650°F (899°C) without significant scaling. With intermittent exposure, its maximum temperature is 1500°F (816°C).

    304L stainless steel plates are often used in automobiles, aerospace, construction materials, food processing equipment and other fields, especially beer brewing, milk processing and wine manufacturing. In addition, it is used in sinks, equipment and appliance manufacturing, chemical containers, shipping containers, heat exchangers, and nuts, bolts, screws and other fasteners in marine environments.

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    Quanshuo Metal Materials Co., Ltd. is a leading supplier of steel and other metal products in China. As an ISO9001:2015 certified enterprise, the products we produce meet the standards of ASTM, AISI, BS, DIN, JIS, etc.



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