![]() Type 304L should be specified for welded applications as the low carbon version eliminates chromium carbide precipitation and enhances the corrosion resistance in the as-welded condition. Type 304L can be dual certified as 304 when the composition meets the lower carbon limit of 304L and the slightly higher strength levels of 304. 304 has 20 chromium,10 whilst nickel 204 has 18. Because SS304 contains 18 chromium (Cr) and 8 nickel (Ni), it’s also known as 18/8 stainless steel. See major differences between 204 and 304 stainless steels its the nickel and chromium contents. When it comes to nickel, 301 ranges between. Type 304/304L is non-magnetic in the annealed condition but may become slightly magnetic as a result of cold working. Applications include food handling/processing, medical instruments, hardware, appliances, and structural/architectural uses. AISI 304 Stainless Steel (UNS S30400) AISI 304 stainless steel (UNS S30400) is the most commonly used material in stainless steels, and is usually purchased in an annealed or cold worked state. Differences can also be found in chromium composition, which ranges from 16 to 18 for 301, and 18 to 20 for 304. Higher strength, cold-worked conditions can also be specified for Type 304/304L for spring type applications. Grade 304 stainless steel is defined as a Chromium-Nickel austenitic alloy that used to be referred to as 18/8 stainless steel with a minimum of 18 Chromium. ![]() Higher nickel versions can be specified to enhance multi-stage deep drawing characteristics. These grades can be specified in the annealed condition where they have very good formability. ![]() Type 304/304L is a versatile, general purpose stainless steel with good resistance to atmospheric corrosion, and to many chemicals and food and beverages. SS304 stainless steel has lower corrosion resistance than SS316 and slightly higher than SS302. Its nominal composition is 18 chromium and 8 nickel, so it is also called 18/8 stainless steel. Before annealing, the surface should be carefully cleaned, and to prevent the formation of an oxide layer during the annealing process, vacuum, hydrogen or inert gas protection must be used. Type 304/304L is the modern version of “18-8” stainless steel containing approximately 18% chromium and 8% nickel and is the most commonly specified stainless steel used throughout the world. AISI 304 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. SS 304 is the abbreviation of Stainless Steel 304, which is the most widely used austenitic chromium-nickel stainless steel. Type 304 stainless steel annealing temperature range is 1010-1065 C (1850-1950 F),1040 C (1900 F) is recommended and then rapidly cooled. ![]()
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