Its durability, anticorrosion and antirust properties have all contributed towards its use in applications all over the world ranging from storage tanks through to food processing equipment. Tables of technical properties international stainless steel. These components also give cause for 304 to be referred to as 188. In case of complex machining operation, due to the limited machinability of the steel 304, consider to use a free machining grade px, 316 ls or a modified 316 l grade pm when a high corrosion resistance is required. This alloy is nonmagnetic in the annealed condition, but becomes magnetic when cold worked.
Types 304, 304l and 304h are the most versatile and widely used of all the stainless steels. Heat treatment quenching, hardening, and other thermal modifications p. Grade 304 is the most versatile and widely used stainless steel. The enclosed documents are for information only and cannot replace reference to either en 10088. Any updates you make will overwrite existing information. Model setup the threedimensional numerical modeling domain was setup as a powder bedof 304l stainless steel with dimensions of 1. A wide variety of ss304 properties options are available to you, such as shape, material, and application. The foil material used in this study was 304l stainless steel, and foil was made from annealed heat treatment. Austenitic stainless steel 304304l kloeckner metals uk. About 0% of these are refractory, 0% are steel pipes. This makeup ensures that ss 304 has a wellbalanced.
It covers diameters from 18 to 30 and thickness from sch 10s to sch 80s. Reference is often made to stainless steel in the singular sense as if it were one material. High ductility, excellent drawing, forming, and spinning properties. We are creating other entries for more specific heat treatments and forms. Sae 304 stainless steel is the most common stainless steel. Mechanical property specification grade 301 other values for 301l and 301ln. It has excellent forming and welding characteristics. Technical data sheet ss 304l ss 304l is an austenitic chromiumnickel stainless steel offering the optimum combination of corrosion resistance, strength, and ductility.
Well known stainless steel as well, with very high corrosion resistance, it is usually reserved to very aggressive. It is used in heavy gauge components for improved weldability. In this paper stainless steel aisi 304 material is taken for the study to determine the parameters and to optimize with design of experiments doe based response surface method rsm to find the optimal parameter set as per the requirements of the user of the high speed cnc machine. Stainless steel is the term used to describe an extremely versatile family of. Three general classifications are used to identify stainless steels. Essentially nonmagnetic, becomes slightly magnetic when cold worked. The low carbon content reduces susceptibility to carbide precipitation during welding. This article discusses the properties and applications of stainless steel grade 304 uns. West yorkshire steel are suppliers of 174ph stainless steel round bar and flat bar. Chemical and physical properties are in accordance with en 10088.
Sus304 stainless steel was yielded by reducing the temperature to about 50k. Because ss 304 contains 18% chromium cr and 8% nickel ni, its also known as 188 stainless steel. The thermal expansion characteristics of stainless steel. These hysteresis loops in the stressstrain curves obtained under the cold thermal cycles suggest that sus304 stainless steel has the potential to cause cold thermal fatigue failure. Astm a312 stainless steel pipe specification standard specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes astm a312 pipe is common use stainless pipe for industries.
General use material grades are tp304304l, tp316316l. This article discusses the properties and applications of stainless steel grade 304 uns s30400. Stainless steel 304 stainless steel washer aisi 304, 304l, 316316l, 904l. Corrosion resistance range of various metals each metal shows excellent corrosion resistance in the arrowmarked range 1 general properties titanium is normally an active metal, but exhibits extremely high. Ss 304 material properties stainless steel sheets suppliers. Within the scope of the astm type 301 specification, chemical composition and processing modifications can result in a wide range of engineered material properties targeted at specific applications. The usage of stainless steel is small compared with that of carbon steels but exhibits a. Naturally, the latter materials will not last as long as the former, but that is part of the design plan for those plants.
The thermal expansion characteristics of stainless steel weld. Aug 19, 2015 the difference between 304 and 316 stainless steel is the presence of site furnishings, stainless steel is an ideal corrosionresistant material 304304l north american stainless type 304l ss does not require post weld annealing and finds extensive note that design and fabricationnot material, are the major contributors to. Mechanical properties chemical properties 1 country of origin specified in parenthesis. A ferritic alternative to grade 304 304l weld stabilised. As an integrated stainless steel producer, jfe produces stainless steel from steel making stage, to. Otherwise referred to as grade 304 or type 304, it is the most commonly utilized grade of stainless. Stainless 302, 304, 304l, 305 united performance metals. Type 304l is the low carbon version of stainless steel 304. Properties of stainless steel aisi type 304l jis sus 304 l sweden. The lower carbon content minimizes chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion.
The stainless steel family a short description of the various grades of stainless steel and how they fit into distinct metallurgical families. Type 304 has good processability, weldability, corrosion resistance, heat resistance, low. Effects of hydrogen on the flow stress of type 316 stainless steel are discussed in detail in refs. Types 302 s30200, 304 s30400, 304l s30403, and 305 s30500 stainless steels are variations of the 18 percent chromium 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. Ss 304 is considered the basic stainless steel alloy, composed of 18% chromium and 8% nickel. Care was taken to include as much information as possible about stainless steel flat products used throughout europe, for the informatio n of the user. Ss 304 is a stainless steel with applications ranging from the manufacturing of chemical equipment, kitchen and cooking utensils and equipment, to surgical tools and textile dyeing equipment. Technical reference on hydrogen compatibility of materials. Model ssdp kickpush plate material shall be supplied precut to size with deburred edges. Chemical content identification factors and composition standards p. Grade 304 also has outstanding welding characteristics.
The steel contains both chromium between 18% and 20% and nickel between 8% and 10. It is available in a wider range of products, forms and finishes than any other. The saeansi 304 aisi 304 is the most commonly available and used type of stainless steel. Well known stainless steel grade, very close to the 201 grade but with lower mechanical properties. Postweld annealing is not required when welding thin sections. Chemical composition of stainless steels flat products.
The graph bars on the material properties cards below compare 116hard aisi 304 to. Typical mechanical properties of sheets and strip cold flattened annealed ultimate tensile strength, temperature range c f microhmcm 20 68 72 100 2 78 200 392 86 400 752 100. It has a higher corrosion resistance than regular steel and is widely. Some products such as plate and pipe may be available as dual certified material that meets the criteria for both 304 and 304l. But it is very inexpensive so we can use it in indoor applications like indoor fabrication. Their chemical composition, mechanical properties, weldability and corrosionoxidation resistance provide the best allround performance stainless. The metal is characterized by its corrosion resistance, especially in cases of oxidation and salt water. These attributes make it a favorite for many mechanical switch components. Smooth bar tensile properties of 316 at several temperatures between. Welding grade argon2% oxygen was used as the shielding gas, and the travel speed was varied from 11 ipm 4. Type 304 stainless steel is a variation of the base 188 grade, with a higher chromium and lower carbon. The particular application for which stainless steel will be used determines the type and grade of stainless steel. Physical properties mechanical properties sheets, ribbons, wires, profiles, tubes, dimensions and tolerances on request. The remainder of its composition is made up of carbon, manganese, silicon and very small amounts of phosphorous and sulfur.
Reference is often made to stainless steel in the singular sense as if it. It is also referred to as 188 stainless steel, a2 stainless steel as per the iso 3506, or 304s15 as per the british standard. Numerical analysis of selective laser melting 304l stainless steel 2. State available products welding austenitic stainless steel of intermediate corrosion resistance. Weldability issue of aisi 202 ss stainless steel grade. This is an austenitic chromiumnickel alloy which practically means that it has a very high corrosion resistance. May 18, 2005 type 304l is the low carbon version of stainless steel 304. It has the second lowest strength and second highest ductility compared to the other variants of aisi 304 stainless steel.
Magnetic permeability annealed condition electrical resistivity annealed condition mechanical properties. It is less electrically and thermally conductive than carbon steel and is essentially nonmagnetic. Aisi 304 grade 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. This inherent property, combined with the low level of interstitial elements elements which lack the dislocation chain, gives this material high ductility, low yield. It has been written primarily from a european perspective and may not fully reflect the practice in other regions. Chemical and physical properties are in accordance with en 100881. In some instances type 304 can be used in the aswelded condition. Note that some of these stainless steel grades are commonly referred to by designations that are.
Mechanical properties of sus304 stainless steel under cold. Types 302 s30200, 304s30400, 304l s30403, and 305 s30500 stainless steels are variations of the 18 percent chromium 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. The high tolerance in carbon presents a risk for the precipitation of chromium carbides in the grain boundaries during heat. This matweb entry has typical values for specimens of unknown formheat treatment but appear to be annealed samples. Type 301 is an austenitic chromiumnickel stainless steel.
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