Type 304 Stainless Steel Type 304 is the most widely used austenitic stainless steel. 190 Kelly Road Chromium is the defining alloying element of stainless steel. ①: Anneal at 1065-1120 °C (1950-2050 °F), then quench or cool rapidly. To forge, heat uniformity to 2100 / 2300 °F, Forging can be air cooled without danger of cracking. Resistance to corrosion in oxidizing environments is a result of the 18 to 19% chromium that the 304 alloys contain. Stainless steel work harden rapidly, heavy positive feeds, sharp tooling, and a rigid set-up should be used.of cut below the work-hardened layer resulting from the previous passes. It has excellent corrosion resistance in ordinary atmospheric conditions, it is easily machined and is also easy to weld. The properties of AISI 304L stainless steel include seven common variations. It is used in heavy gauge components for improved weldability. Resistance to moderately aggressive organic acids is a result of the 9 to 11% nickel that the 304 alloys contain. Electronic appliances: 304 stainless steel liner of electric kettle, washing machine drum, watch and mobile phone shell, microwave oven, range hood cover, control cabinet, water pump case, etc. Penn Stainless inventory includes Alloy 304L ( S30403), in sheet, sheet coil, plate, plate coil, round bar, processed flat bar and tubular products. Quakertown, PA 18951, Toll Free: 1-800-222-6144 Cleveland, OH; Chicago, IL; Charlotte, NC; Atlanta, GA; Tampa, FL; Houston, TX; Los Angeles, CA; Seattle, WA. Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. The datasheet and specification are summarized in the following tables including chemical composition and properties. Oven stress-relief temperature and time for 304 stainless steel wire: 345 °C (650 °F), minimum 30 minutes. Type 304/304L makes up over 60% of all the stainless steel made in world today. It is the standard “18/8 stainless” that is commonly found in pans and cooking tools. This property has resulted in 304 being the dominant grade used in applications like sinks and saucepans. It is used in heavy gauge components for improved weldability. High ductility, excellent drawing, forming, and spinning properties. ③: Stress relieve at 205-480 °C (400-900 °F) and then slow cool (usual time, 4 h per inch of section). AISI Type 304L Stainless Steel Categories: Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 300 Series Stainless Steel. Food processing equipment, particularly in beer brewing, milk processing, and wine making, Kitchen benches, sinks, troughs, equipment, and appliances, Chemical containers, including for transport, Nuts, bolts, screws, and other fasteners in the marine environment, Woven or welded screens for mining, quarrying & water filtration. Ideal for a wide variety of home and commercial applications, Alloys 304L exhibits excellent corrosion resistance and has a high ease of fabrication, outstanding formability. ②: Stress relieve below 480 °C (900 °F) and then slow cool. Hot off the presses from the world of stainless steel and manufacturing. Severe stress corrosion application: stabilized (such as 318. Alloy  304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Two important considerations in producing weld joints in the austenitic stainless steels are: If you know what you need, you can quickly get a quote here. It is the standard “18/8 stainless” that is commonly found in pans and cooking tools. Stay up to date with the latest from Penn Stainless. When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90 % of the values listed in the table. Penn Stainless Products Home / Resources / Product Information / Stainless Grades / 300 Series / 304L Stainless Steel. The 304 grade stainless steel composition is given in table below. In some instances Type 304 can be used in the "as-welded" condition. Alloys 304L is the most versatile and widely used alloy in the stainless steel family. Alloys 304L is the most versatile and widely used alloy in the stainless steel … (See notes), Stress-relieving for structural soundness (Where severe manufacturing stress coupled with high service load may cause cracking. This property has resulted in 304 being the dominant grade used in applications like sinks and saucepans. 304L Resistance to Corrosion. The ability of the 18-8 stainless steel pipe grades to maintain clean surfaces often allows better heat transfer than other metals having higher thermal conductivity. 304 stainless steel is the most common steel, as a widely used steel, has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; good thermal processing for stamping and bending, no heat treatment hardening phenomenon (non-magnetic, easy to use temperature between -196 o C and 800 o C). Medical equipment: medical cabinets, medical trolleys, sterilizing container, work table, etc. For moderate stress corrosion: ①. However, in order to provide the best stress relief treatment, it is recommended to use a stabilized or ultra-low carbon grade. To relieve stresses produced in severe forming or spinning, parts should be full annealed or stress relief annealed as soon as possible after forming. Petrochemical industry: filter equipment, oil and gas pipelines. Alloy 304L is ideally suited for home and commercial applications. All other grades are developed from the 18-8 base by adding alloying elements to provide special corrosion-resistance, improved properties or better weldability. This article discusses the properties and applications of stainless steel grade 304 (UNS … Room Temperature Mechanical Properties Minimum mechanical properties for annealed Alloys 304 and 304L austenitic stainless steel tube as required by ASTM specifications A240 and ASME specification SA-240 are shown below. Type 304L has a carbon maximum is 0.030. Type 304L has a carbon maximum is 0.030. Sign up below for our newsletter. Our main stainless inventory and processing center is located in Quakertown, PA. Take advantage of our other mill depot stocking locations in: Whilst performing well when exposed to relatively high temperatures, this grade of stainless steel like most austenitic stainless grades, also maintains its strength and toughness at sub-zero temperatures, making this an excellent choice for various applications and indus… Grade 304/304L is the most widely used commercial grade of stainless steel supplied into numerous industry sectors. Higher chromium content imparts additional corrosion resistance. Its austenitic structure allows it to be deep-drawn without intermediate annealing, Making this the stainless steel grade of choice in the manufacturing of sinks, hollow-ware and saucepans. ASTM specs, color codes, stainless grades, and other useful product resources and downloads. These grades work harden rapidly. Type 304 stainless steel is an austenitic grade that can be severely deep drawn. The austenitic stainless steels are also considered to be the most weldable of the high-alloy steels and can be welded by all fusion and resistance welding processes. 304 stainless steel – Performance introduction. It has good drawability – the combination of low yield strength and high elongation permits fabrication into complex shapes. Grade 304L is more resistant to carbide precipitation and can be heated into the above temperature range. Alloy 304L Stainless Steel is used in a wide variety of home and commercial applications, including: Excellent welding properties; post-weld annealing is not required when welding thin sections. For more information, please check 304 vs 304L stainless steel and 304 vs 316 stainless steel. It is also known as "18/8" stainless steel because of its composition, which includes 18% chromium and 8% nickel. For more specific values, follow the links immediately below. 304/304L STAINLESS STEEL Product Description Type 304 is a variation of the base AK Steel 18-8, with a higher chromium and lower carbon content. Phone: 215-536-3053 Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier. Type 304 Stainless Steel Heat Resistance AISI 304 Stainless Steel Heat Treatment This article discusses the properties and applications of stainless steel grade 304 (UNS S30400). Type 304 stainless steel has good forming and welding properties as well as strong corrosion resistance and strength. AISI 304 Stainless Steel Mechanical Properties AISI 304 stainless steel mechanical properties are given in the datasheet below including tensile strength, yield strength, elongation, reduction in area, Brinell and Rockwell hardness, etc. General Corrosion The Alloys 304, 304L, and 304H austenitic stainless steel provide useful resistance to corrosion on a wide range of moderately oxidizing to moderately reducing environments.

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