Chemical composition of stainless steel ss304 chemical. Steel derives its mechanical properties from a combination of chemical composition, heat treatment and manufacturing processes. Microstructural evolution and mechanical properties of type 304 l stainless steel processed in semisolid state. However, due to its high chromium content 25%, alloy 310 is more corrosion resistant than most heat resistant alloys. The chemical test is done to identify the chemical composition of steel whereas the mechanical tests are. Well known stainless steel grade, very close to the 201 grade but with lower mechanical properties. Mechanical properties with particular emphasis on strength at room, elevated, or low temperature. Microstructure and mechanical properties of pressure. Grain refininghasbeen confirmed as being able toimprove the strength and ductility of stainless steel. Stainless steel datasheets revised november 2011 page 1 of 1 au austenitic stainless steels 301, 301l, 301ln high strength for roll formed structural components 302hq low work hardening rate grade for cold heading fasteners 303, 303se freemachining bar grades 304, 304l, 304h standard 188 grades 310, 310s, 310h high temperature resistant grades.
Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications. In particular, the mechanical property requirements vary widely with product form and product dimensions. The effects of pressure and cooling rate on the solidification of ss304 were analyzed. Nanoindentation has been used to evaluate various mechanical properties of affected regions of laser shockpeened lsp stainless steels, ss316ln and ss304 plates. Alloys 304l is the most versatile and widely used alloy in the stainless steel family. In this work, two grades of austenitic stainless steel are investigated, namely ass 304l and ass 316l. Generally speaking, the combination of corrosion resistance and strength is the basis for selection.
This product has tensile properties that are comparable to colddrawn seamless steel tubing of the same steel analysis and nominal size. The mechanical properties of stainless steel how these are determined, and the factors which influence their values by david p. This article discusses the properties and applications of stainless steel grade 304 uns s30400. Depending on the applied laser parameters laser energy, pulse width, the hardness was varied in the range 3. These properties are specified for flat rolled product plate, sheet, and coil in astm a240a240m. This article discusses the properties and applications of stainless steel grade 304 uns.
Pdf study of mechanical properties on aa5052, ss304 and. To extract the experimental data and to predict the mechanical properties, the tensile tests are conducted at three different strain rates 0. Stainless steel 304, like 302, has good mechanical properties and corrosion resistance. Also included in this article is a comparison chart between different international standards. Such dual certified product does not meet 304h specifications and may be unacceptable for high temperature applications. Sus304 material is a japanese jis standard and the most commonly used stainless steel, containing 18% cr and 8% ni. What is the difference between ss304 and ss316 stainless.
It is this largely unique universal usefulness, in combination with good mechanical properties and manufacturing characteristics, which gives the stainless steels their raison detre and makes them an indispensable tool for the. Core 3044301 is a classic 18% chromium, 8% nickel austenitic stainless steel and an allpurpose product with good corrosion resistance. Fabrication operations and how the product is to be made is a. The comparative analysis of mechanical properties of sus304 and ss304 stainless steel is shown in below table. Chemical composition of stainless steels flat products. For more complete details please refer to the relevant specification the bs en specifications for stainless steel are listed on a separate datasheet. United steel stainless factory is the large manufacturer to supply sa240 304,sa240 tp 304,ss 304 stainless plate,tp304. Mechanical properties duplex stainless steels have roughly twice the yield strength of their counterpart austenitic grades. Properties given in this data sheet are typical for flat rolled products covered by astm a240a240m. Sus304 stainless steel material properties, chemical.
The alloy is prone to intergranular corrosion after long term exposure at high temperatures. By damian kotecki, phd technical director, stainless and high alloy product development and. Narrowboat way, hurst business park, brierley hill. Mechanical properties of austenitic stainless steel 304l. Microstructural evolution and mechanical properties of. Both samples are sent in a mechanical lab for testing. From a chemical or scientific standpoint the answer would be that 304 stainless steel contains 18% chromium and 8% nickel while 316 contains 16% chromium, 10% nickel and 2% moly. Mechanical properties tubular products division of arcelormittalsdom drawn over mandrel mechanical tubing is manufactured to astm specification a5. Microstructure and mechanical properties of pressurequenched ss304 stainless steel article pdf available in materials 122. Core 304l4307 is a lowcarbon alternative to core 3044301 that is giving an improved resistance against intergranular corrosion. Mechanical property test results show that, compared with the asreceived sample, the hardness and the yield strength of the pressurequenched pq samples were greatly increased, the ultimate tensile strength changed minimally, and the elongation rate became. Bulk ss304 polycrystalline materials with ultrafine microstructures were prepared via a highpressure selfheating melting and quenching method. While the old aisi three digit stainless steel numbering system e. It is the standard 188 stainless that is commonly found in pans and cooking tools.
Minimum mechanical properties for annealed types 302, 304, 304l, and 305 austenitic stainless steel plate. Aisi 302 steel grades, properties and global standards. Stainless 302, 304, 304l, 305 united performance metals. Annealing of types ss304 and ss304l is achieved by heating to above 1900f for 60. This page cover the aisi 302 chemical element, mechanical properties, aisi 302 datasheet, cross reference of aisi 302 steel, mainly used for. High ductility, excellent drawing, forming, and spinning properties. Hardness is measured by hv or hrb only, depending upon the sheet thickness. It has good drawability the combination of low yield strength and high elongation permits fabrication into complex shapes. A multipurpose austenitic heat resistant stainless steel. Euro inox makes the following tables of technical properties available. Typical composition ranges for 304grade stainless steel. We have about 3000tons each thickness and size stainless plates and. The metallic samples of both ss304 and ss316 both are 50 mm thick are being tested in chemical lab and mechanical labs on different testing equipment.
Minimum mechanical properties for annealed types 302, 304, 304l, and 305 austenitic stainless steel plate, sheet and strip as required by astm specifications a 240. While the major constituent of steel is iron, the addition of very small quantities of other elements can have a marked effect upon the properties of the steel. Mechanical properties of laser shockpeened regions of. Datasheet for steel grades stainless steel sus304 sus304 standard number. Ss304 is widely used in the industrial use, furniture decoration, food and medical industry, etc. Analyses of phase composition, grain size and microstructure were performed using metallographic analysis, xray diffraction, rietveld refinement and transmission electron microscope tem. Grade compositions, mechanical properties and production specifications are governed by a range of international and national standards for stainless steel.
General information mechanical properties of steel condition, strength, hardness, machinability stainless steels. Due to its high corrosion resistance and mechanical properties, extruflex has naturally chosen to use the stainless steel aisi 201 which is the most appropriate grade for industrial doors. Material and experimental procedure the chemical composition of the investigated. Functional products provide the corrosion resistance and mechanical properties of stainless steel with lower cost than 2b and ba materials, because they are. Ss304 stainless steel is one of the most widely used nicrbased stainless steels and offers good processing performance, high ductility and corrosion resistance 1,2,3,4,5, but the low hardness and strength of this material limit its application in the constructional field.
Furthermore, the anisotropic compressive mechanical properties of the aisi 304l stainless steel were discussed for a better understanding of the ecap mechanism. Sa240 304, sa240 tp 304, ss 304 plate, tp304sa240 316l. It can maintain good strength and heat resistance in high temperature and low temperature environments, and also has good corrosion resistance, weldability, cold workability and mechanical properties in the mild atmosphere. Similar but not identical mechanical properties are. The properties for grade 301 are specified for flat rolled product plate, sheet and coil in astm. Properties how to weld them where to use them a description of the physical and mechanical properties of a variety of commercial stainless steels. Typical stainless steel grades castings barforging generic description astm din uns jis astm din uns jis carbon less than 0. Minimum mechanical properties for annealed types 316, 316l, 317 and 317l austenitic stainless steel plate, sheet and strip as required by astm specifications a240 and asme specification sa240, are shown below. Stainless steel specifications, grades and properties. Chemical composition of stainless steels flat products mechanical properties of stainless steels flat products physical properties of stainless steels the attached collection of data reflects inquiries directed to stainless steel development associations. A number in parentheses indicates the year of last reapproval. Mechanical properties minimum mechanical properties for annealed types 302, 304, 304l, and 305 austenitic stainless steel plate, sheet and strip as required by astm specifications a 240 and asme specification sa240 are shown below. It also contains the use of sus304,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
It is a modification of type 304 in which the chromium and nickel contents are lowered to increase the cold workhardening range. This material will retain aqueous corrosion resistance. Tensile and compressive properties of aisi 304l stainless. Alloy 304l a t300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Their chemical composition, mechanical properties, weldability and. Pdf microstructure and mechanical properties of pressure.
Recommendations on the applications of each type and how to arc weld each including filler materials. Stainless 316, 316l, 317, 317l united performance metals. Mechanical properties of 304 grade stainless steel. Tables of technical properties international stainless steel. A sample of sus304 stainless steel from a japanese source was collected, and a sample of aisi 304 ss304 stainless steel from an american source is taken. Please contact us if you require special steel types other than those shown in the table.