The high tolerance in carbon presents a risk for the precipitation of chromium carbides in the grain boundaries during heat. Chemical and physical properties are in accordance with en 100881. These attributes make it a favorite for many mechanical switch components. This inherent property, combined with the low level of interstitial elements elements which lack the dislocation chain, gives this material high ductility, low yield. This is an austenitic chromiumnickel alloy which practically means that it has a very high corrosion resistance. Aisi 202 ss stainless steel has similar mechanical property as compare to aisi 304 ss grade, but its ability to resist corrosion is somewhat less as compare to aisi 304 ss grade in chloride environment.
Technical reference on hydrogen compatibility of materials. Their chemical composition, mechanical properties, weldability and corrosionoxidation resistance provide the best allround performance stainless. Magnetic permeability annealed condition electrical resistivity annealed condition mechanical properties. State available products welding austenitic stainless steel of intermediate corrosion resistance. Weldability issue of aisi 202 ss stainless steel grade. The metal is characterized by its corrosion resistance, especially in cases of oxidation and salt water. It has excellent forming and welding characteristics.
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. But it is very inexpensive so we can use it in indoor applications like indoor fabrication. 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. Some products such as plate and pipe may be available as dual certified material that meets the criteria for both 304 and 304l. 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. The low carbon content reduces susceptibility to carbide precipitation during welding. Tables of technical properties international stainless steel. Ss 304 is considered the basic stainless steel alloy, composed of 18% chromium and 8% nickel.
The graph bars on the material properties cards below compare 116hard aisi 304 to. Otherwise referred to as grade 304 or type 304, it is the most commonly utilized grade of stainless. It has the second lowest strength and second highest ductility compared to the other variants of aisi 304 stainless steel. Well known stainless steel grade, very close to the 201 grade but with lower mechanical properties. 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. Stainless 302, 304, 304l, 305 united performance metals. May 18, 2005 type 304l is the low carbon version of stainless steel 304. Heat treatment quenching, hardening, and other thermal modifications p.
Type 304l is the low carbon version of stainless steel 304. Ss 304 material properties stainless steel sheets suppliers. Mechanical properties of sus304 stainless steel under cold. 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. Essentially nonmagnetic, becomes slightly magnetic when cold worked. The usage of stainless steel is small compared with that of carbon steels but exhibits a. Low temperature has been shown to have a significant effect on the hydrogenassisted fracture of type 316 stainless steel.
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. As an integrated stainless steel producer, jfe produces stainless steel from steel making stage, to. It is less electrically and thermally conductive than carbon steel and is essentially nonmagnetic. 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. 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. It has been written primarily from a european perspective and may not fully reflect the practice in other regions.
The steel contains both chromium between 18% and 20% and nickel between 8% and 10. Sae 304 stainless steel is the most common stainless steel. Type 301 is an austenitic chromiumnickel 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. Any updates you make will overwrite existing information. The remainder of its composition is made up of carbon, manganese, silicon and very small amounts of phosphorous and sulfur. Postweld annealing is not required when welding thin sections. It covers diameters from 18 to 30 and thickness from sch 10s to sch 80s.
It is also referred to as 188 stainless steel, a2 stainless steel as per the iso 3506, or 304s15 as per the british standard. This alloy is nonmagnetic in the annealed condition, but becomes magnetic when cold worked. This makeup ensures that ss 304 has a wellbalanced. Stainless steel is the term used to describe an extremely versatile family of.
It is available in a wider range of products, forms and finishes than any other. Effects of hydrogen on the flow stress of type 316 stainless steel are discussed in detail in refs. Reference is often made to stainless steel in the singular sense as if it. This matweb entry has typical values for specimens of unknown formheat treatment but appear to be annealed samples. The thermal expansion characteristics of stainless steel. In its most basic form, chromium is added to ordinary steel in order to become corrosion resistant. Mechanical property specification grade 301 other values for 301l and 301ln. It is used in heavy gauge components for improved weldability.
The stainless steel family a short description of the various grades of stainless steel and how they fit into distinct metallurgical families. Grade 304 is the most versatile and widely used stainless steel. Note that some of these stainless steel grades are commonly referred to by designations that are. We are creating other entries for more specific heat treatments and forms. These components also give cause for 304 to be referred to as 188. Chemical composition of stainless steels flat products. Three general classifications are used to identify stainless steels. Well known stainless steel as well, with very high corrosion resistance, it is usually reserved to very aggressive. About 0% of these are refractory, 0% are steel pipes. In some instances type 304 can be used in the aswelded condition. The enclosed documents are for information only and cannot replace reference to either en 10088. Stainless steel 304 stainless steel washer aisi 304, 304l, 316316l, 904l. 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. Grade 304 also has outstanding welding characteristics.
Type 304 has good processability, weldability, corrosion resistance, heat resistance, low. Chemical and physical properties are in accordance with en 10088. Euro inox euro inox is the european market development association for stainless steel. A ferritic alternative to grade 304 304l weld stabilised. Mechanical properties chemical properties 1 country of origin specified in parenthesis. High ductility, excellent drawing, forming, and spinning properties. 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. Sus304 stainless steel was yielded by reducing the temperature to about 50k. Properties of stainless steel aisi type 304l jis sus 304 l sweden.
Naturally, the latter materials will not last as long as the former, but that is part of the design plan for those plants. The lower carbon content minimizes chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion. Tables of technical properties materials and applications series, volume 5. The particular application for which stainless steel will be used determines the type and grade of stainless steel. Chemical content identification factors and composition standards p. Physical properties mechanical properties sheets, ribbons, wires, profiles, tubes, dimensions and tolerances on request. West yorkshire steel are suppliers of 174ph stainless steel round bar and flat bar. General use material grades are tp304304l, tp316316l. It has a higher corrosion resistance than regular steel and is widely. Austenitic stainless steel 304304l kloeckner metals uk. The saeansi 304 aisi 304 is the most commonly available and used type of stainless steel. Reference is often made to stainless steel in the singular sense as if it were one material. 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.
This article discusses the properties and applications of stainless steel grade 304 uns. 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. Model ssdp kickpush plate material shall be supplied precut to size with deburred edges. Because ss 304 contains 18% chromium cr and 8% nickel ni, its also known as 188 stainless steel. Types 304, 304l and 304h are the most versatile and widely used of all the stainless steels. This article discusses the properties and applications of stainless steel grade 304 uns s30400. Technical data sheet ss 304l ss 304l is an austenitic chromiumnickel stainless steel offering the optimum combination of corrosion resistance, strength, and ductility. 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.
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