Chemical process industry to contain hot concentrated acids, ammonia, and. Alloy 303 was specially designed to exhibit improved machinability while maintaining good mechanical and corrosion resistant properties due to the presence of sulfur in the steel composition, alloy 303 is the most readily machinable austenitic stainless steel. Composition values will vary within the concentration ranges mentioned above depending on the steel typestandard. Depending on the composition of these stainless steel castings, the. This series of stainless steel alloys are known to resist corrosion while maintaining their strength at high temperatures. Alloy 304l a t300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. The 200 series and 300 series stainless steel are the main material in curretn chinese stainless steel market, the difference is the compostion of chemical elements in nickel, which caused a huge difference in the performance and the price of them. In order to assis t the reader in this selection, euro inox makes the following tables of technical properties available. These tables are intended for estimating purposes only and lists typical chemical properties for a variety of 300 and 400 series stainless steel grades. Aisi type 304 stainless steel asm material data sheet matweb.
Chemical stability the product is stable at normal handling and storage conditions. Stencil grade, high temperature, corrosion 300 series stainless steel alloys 302, 304, 316 chemical composition. It is the standard 188 stainless that is commonly found in pans and cooking tools. Jul 08, 20 stainless steel grade 254 smo is a very high end austenitic stainless steel. For the 300 series, the austenitic structure is achieved via the addition of nickel, whereas for the 200 series, this is achieved primarily via the addition of manganese and nitrogen. Depending on the application, the product may include trace elements other than the ingredients mentioned above. Maraging 300 is available in bar rounds, forging billet. Stainless steel chemical and physical properties stainless. Stainless steels are iron alloys with a minimum of 10. In metallurgy, stainless steel, also known as inox steel or inox from french inoxydable, is a stainless steel is used where both the properties of steel and corrosion the 300 series of stainless steel grades is unaffected by any of the weak. Sus304 stainless steel material properties, chemical. Austentic stainless steel has a wide range of mechanical properties and can withstand. The martensitic ph steels are used in aerospace, chemical and petrochemical, and food processing applications.
Steels with crmnnin composition were called 200 series of stainless steel. The 300 series stainless steels have got all uses mentioned under 200 series besides, in refineries, petrochemicals, diary farm industries. This table is intended for reference use and not for design purposes. Nickelbased austenitic steels are classified as 300 series. It is a modification of type 304 in which the chromium and nickel contents are lowered to increase the cold workhardening range. The 400series group of stainless steels contain 1127% chromium, up to about 1% carbon, and 2. Low carbon chromium nickel stainless steel with general corrosion resistance similar to type 316 but with superior resistance to intergranular corrosion following welding or relieving. All values shown indicate the maximum percentage unless otherwise noted. Stainless steel 300 series austenitic grades in stock at diversified ulbrich of.
Applications include railway car structural components, airframes, stove elements and toaster springs. A major difference between 304 and 316 stainless steel is the chemical composition, with 316 containing a significant amount of molybdenum. Austenitic steels include both the 200 and 300 series. Maraging 300 is an age hardenable maraging iron nickel stainless steel. It performs well in liquid environments and provides heat resistance at high temperatures. Similar to 304, grade 316 stainless steel has high amounts of chromium and nickel. It is recommended for use in parts which are fabricated by welding and cannot be subsequently annealed. They feature the right mix of strength, weldability, corrosion resistance and economical cost. Maraging 300 has exceptional strength, toughness and is resistant to crack propagation. The 400 series group of stainless steels contain 1127% chromium, up to about 1% carbon, and 2. Mar 10, 2020 the 200 series is a class of austenitic and highly corrosionresistant stainless steels that are characterized by having low nickel content. The principle difference between 300 series of stainless steel and this series was that the nickel used in 300 series of stainless. The presence of nickel improves corrosion resistance and.
Most astm and asme standards list the steel grades by their uns unified numbering system numbers but also make reference, where appropriate to the more general aisi american iron and steel institute grade designations. They develop their high strength and hardness through heat treatment, which precipitates the copper. The 300 series stainless steels are classified as austenitic and are hardenable only by cold working methods. The principle difference between 300 series of stainless steel and this series was that the nickel used in 300 series of stainless steel was partly replaced by manganese and nitrogen. Chemical compositions of aisi astmasme and uns austenitic stainless steel grades introduction aisi astm asme and uns. Aswelded 430 stainless steel is not suited for robust applications, embrittlement in the heat affected zone is a risk. The selection of the appropriate stainless steel grade for each applic ation is the result of variou s considerations. The 300 grades of stainless steel that cdm typically deals in are 301, 304, 309, 310, 316, 317, and 321.
Other grades commonly stocked are type 304 and type 316. Reference is often made to stainless steel in the singular sense as if it were one material. Austenitic 300 series stainless steel filler metals. These bolts and nuts are designed, manufactured and tested to comply with the standards set by astm a276 for chemical composition, tensile strength, yield strength, elongation and hardness. Austenitic stainless steels are nonmagnetic, however, the 300 series can become magnetic after cold working. The 316 family is a group of austenitic stainless steels with superior corrosion resistance to 304 stainless steel.
Martensitic stainless steels offer a wide range of properties and are used as. This alloy presents a unique compromise, possessing deep drawability and sufficient stretch formability. Lower nickel than 300 series with it being replaced by manganese thus lower cost than 300 series similar mechanical & physical properties to 300 series. Eight percent is the minimum amount of nickel that can be added to a stainless steel containing 18 percent chromium in order to completely convert all the ferrite to austenite. Stainless steel 300 weight formula online stainless steel 300 series density, weight calculator pipe tube weight calculator round ss 300 series,square ss 300 series, hex ss 300 series, ocagonal ss 300 series plate ss 300 series, sheet ss 300 series,tee, angle, beam. Three general classifications are used to identify stainless steels. At elevated temperatures, pitting and crevassing of 430 grade surfaces can occur. Cold working will dramatically increase its hardness, and applications range from the stamping, spinning and wire forming industry to food and beverage, sanitary. Maraging steel 300 c300 uns k93120 aircraft materials. Stainless steel casting precision investment casting. In the current nickel price level, the price of 200 series stainless steel nickel content is very. Austenitic series300 series this stainless steel is the most widely used of all its kinds. Stainless steeland particularly 300series formulasare a popular choice for a wide variety of piping applications.
For other terms and their definitions you will encounter when dealing with stainless steel click here. This alloy is suitable for welding because it has a carbon content lower than 301 to 303 series alloys to avoid carbide precipitation in welding applications. Sus304 material is a japanese jis standard and the most commonly used stainless steel, containing 18% cr and 8% ni. It also has variants with low carbon and high nitrogen. There are numerous types of stainless steel and each contains a different chemical composition. The basic composition of 300 series austenitic stainless. Austenitic 300 series stainless steel, particularly types 304 and 316, is the material of choice for the food and beverage industry, though martensitic and ferritic 400 series steels are also used. 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. The most common of these is grade 304, which typically contains 18 percent chromium and 8 percent nickel. While the 304 grade is the most widely used alloy of all stainless steels, the 300 series grades are inventoried in stainless steel plate, sheet, bar, pipe, tube and fittings and much more. The 400 series group of stainless steels typically have an 11% chromium and 1% manganese increase, above the 300 series group. These are chromiumnickel alloys and its strength comes through the process of cold working. The 200 series is a class of austenitic and highly corrosionresistant stainless steels that are characterized by having low nickel content. The term 188 is used interchangeably to characterize fittings made of 302.
Stainless steel series, grades, composition industry guru. The most common grade for spring making is type 302 spring wire. Alloys 304l is the most versatile and widely used alloy in the stainless steel family. Wire is most commonly used for spring making where corrosion resistance is of. The most common austenitic stainless steel is type 304. It may be used in either the annealed, cold formed or aswelded condition in many applications where other stainless steel alloys such as type 304, type 410, type 409 and type 430are used. It contains chrome and nickel and features good formability, weldability and anticorrosion.
Oct 19, 2001 301 stainless steel is an austenitic grade that can be supplied in various hardness and strengths. They are also used in high temperature instruments such as in electric furnaces, pharmaceutical appliances, nuclear appliances, power plants, railway coaches, automobiles etc. The grades of stainless steel castings signicast most often produces respond to heat treatment and can be supplied with a predominantly martensitic microstructure in a wide range of strength and hardness. When nickel is added to stainless steel in sufficient amounts, the crystal structure changes to austenite. Cas no american chemical society, chemical abstracts service registry number 1 2 3 notes.
Austenitic series 300 series this stainless steel is the most widely used of all its kinds. Stainless steel 300 weight formula online stainless. This stainless steel series tends to be susceptible to rust and corrosion under some conditions although heattreating will harden them. Chemical composition of stainless steels flat products. The basic composition of 300 series austenitic stainless steels is 18% chromium and 8% nickel. It is designed with a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion with strength that is twice that of stainless steel 300 series. The 300series group of stainless steel alloys contain 1630% chromium. Maraging 300 is used for tooling, transmission shafts, autosport components and light aircraft landing gear. Stainless steel alloys resist corrosion, maintain their strength at high temperatures and are easy to maintain.
Stainless steel is a ferrous alloy containing chromium, which provides a protective layer against staining and corrosion. Stainless steel 300 weight formula online stainless steel. Wire is most commonly used for spring making where corrosion resistance is of a high priority. The 300 series stainless steel is nonmagnetic, not heat treatable and has good formability. The 300 and 400 series stainless steel are the most widely used and most advantageous of all stainless steel products. Type 304 is the most widely used alloy of all stainless steels. Theyre also referred to as chromemanganese crmn stainless steel. The difference between 304 and 316 stainless steel metal. Stainless steel grade 254 smo is a very high end austenitic stainless steel. En 1 jindal stainless indias largest stainless steel.