400 Series Stainless The 400 series group of stainless steels has an 11 percent chromium and 1-percent manganese increase, above the 300 series group. Grade 440A can be hardened up to 56 RC. 301, 304, 316) and precipitation hardened stainless (e.g. Differences between the alloys are slight but deliberate. If martensitic stainless steel with carbon contents above 0.1% have to be welded, than use of an . 400 Series Stainless Steel - Texcellent Grade 416 stainless steel is a martensitic stainless steel similar to type 410. This supplies high energy and high put on resistance. They have have 17% to 19% chromium, 8-10% nickel, manganese, carbon, sulfur, phosphorus and silicon in the composition. Martensitic stainless steels aren't as corrosion resistant as the austenitic types. Austenitic | Martensitic | . 400 series are used in agriculture equipment, turbines, petro-chemicals, fasteners, and heat exchangers. Nickel (or in some cases Manganese) is added to . So stay tuned. 904L stainless steel. Stainless steel is graded through consideration of the environment that it will be assigned to. Minor . The most common austenitic stainless steel is Type 304. 300 Series Austenitic Physical Properties. For instance PM stainless steel parts (both 300 and 400 series) are used in door locks, irrigation equipment, safety devices, pneumatic and hydraulic applications, waste disposals and aircraft tray tables. 400 series is formed by ferritic and martensitic stainless steel. As a result, they typically cost less. The chances of etching happening are virtually nil for most austenitic grades of stainless (e.g. This radically changes the behavior of the martensitic alloys relative to the ferritic 400 Series alloys. In terms of machinability, as a class, stainless steels are generally more difficult to machine . The rapid cold working rate of austenitic steels makes them suitable for applications that involve high corrosion resistance and strength, such as spring manufacture in . The different series of stainless steel grades all have unique characteristics. used for stainless steel. Type: UNS: Tensile (ksi) min: Yield (ksi) min: Elongation min: Hardness (Brinell) max: Hardness . Among other alloying elements, several 300-series stainless steels contain approximately 18% chromium and 8% nickel. Available Stock Sizes. Most typically, when welded, specific alloys of austenitic stainless steel are welded to identical species of austenitic stainless steel. Grade 440A has good strength and excellent hardness. The 400 series includes both ferritic and martensitic . Grade 440A stainless steel is a high carbon martensitic stainless steel. STAINLESS STEEL COMPARATOR STAINLESS STEEL COMPARATOR WELCOME TO AK STEEL'S FAMILY OF STAINLESS STEELS All 200 and 300 series steels are austenitic, and contain 15% to 30% chromium and 2% to 20% nickel for enhanced These steels of the 400 series usually contain a minimum of 11.5% up to 18% chromium. What Is The Difference Between 300 And 400 Series Stainless Steel the 300 series stainless steels are austenitic stainless steels with non-magnetic properties. Our line of stainless steel products include tubes, sheets, plates, pipes, and bars. This means that the microstructure of both classes differ from each other and so the mechanical and properties will vary as well. Grades 304 and 316 are both part of this series and the most commonly used varieties of stainless steel. Austenitic or 300 series stainless steels typically have higher chrome as well as a significant amount of nickel (e.g. Chromium content range appears to be 18-30% for 300 series and 11-12% for 400 series whereas the carbon content is higher in 400 series. The four hundred series of stainless steels have greater carbon content material, giving it a martensitic crystalline structure. Stainless steel costs upwards of 3.8 times as much as carbon steel. Series Grade; 300 Series: 301 - 302 - 303 - 304/L - 304H - 316/L - 317L - 317LMN - 321 - 321H - 347 - 347H -309 - 309S - 310 - 310S - 310H - 330: . All values shown indicate the maximum percentage unless . As one of the more widely used ferritic stainless steels, 430 stainless has numerous consumer as well as commercial product applications. 408 stainless steel Good heat resistance, weak corrosion resistance, 11% Cr, 8% Ni. 400-Series Stainless Steel Ferritic and martensitic 400 series stainless steels do not contain nickel additions, so an austenitic structure is not retained at room temperature. Brightens, deburrs, and levels simultaneously. Primary 400 Series SS Types: 403, 405, 409, 410, 416, 418, 440C, 430, and 455. Next in this series will be the Martensitic stainless steels. 300 series austenitic stainless steel. A commonly used ferritic stainless steel is AISI 430 which offers great corrosion resistance, rivaling that of the 304 steel. The process of welding. Heat-treating hardens 400-series stainless steel. The 400 series is susceptible to rust and corrosion under some conditions. These are corrosion resistant stainless steels and are one of the . 400 series grades offer corrosion resistance with strength, wear-resistance, and high oxidation properties. They have magnetic properties, too, offers good ductility, tensile-property stability, and resistance to corrosion, thermal fatigue, and stress-corrosion cracking. Ferritic steels are the 400 Grade stainless steels noted for their high chromium content, which can range from 10.5% to 27%. 410 stainless steel Satin to "mirror bright", depending on polish time and temp Polishing Uses 400 Series Martensitic Stainless Steel. The distortion due to welding. Request. Ferritic Series (400 Series) Martensitic Series Duplex Series Austenitic Series (300 Series) This stainless steel is the most widely used of all its kinds. 200 and 300 series stainless steel are austenistic, which means they are not magnetic but 400 is most commonly you'll be able to tell by the application: 200-300 are used in things that dont need to be hard, but need to be corrosion resistant, like sinks or other kitchen appliances It is high chromium-manganese content with low nickel. 400 series stainless steel Belongs to ferrite stainless steel and martensitic stainless steel. The 410 grade is the base grade and also the most commonly used one. Three general classifications are used to identify stainless steels. We also stock Accuracy and Bearing Quality stainless round bar in 303, 304 & 316/L. (400C) to 1600F (870C) range. All chrome steel is magnetic besides austenitic chrome steel which is definitely 300 sequence stainless such as 304 and 316. 400 Series Stainless Steel The 400 series of stainless steel martensitic and ferritic chromium alloys. Going a step higher in chromium in the ferritic series.Type 442 at 18-23 % chromium and Type 446 at 23-27 % chromium have the additional oxidation resistance required at even higher temperatures for applications like industrial pollution control exhaust systems. For example, alloy 316 fillers are generally welded to alloy 316 base items. 304 stainless steel, the most common alloy for 300-series fasteners, contains around 50% more chromium than 410 stainless steel, the most common alloy for 400-series stainless steel fasteners. This in combination with excellent formability, resistance to wear, and strength at temperature make them common materials of construction within piping systems. 17-4 stainless is a . . 400 Series stainless steels do not contain high nickel like austenitic types. . . Austenitic and ferritic stainless steels have low carbon levels that are not hardenable by heat treating. They do not contain nickel. For price consultation, contact us. Corrosion resistance 300 Series offers impressive corrosion resistance than 400series grades. Common grades of 400 Series stainless steel Metallurgical Structure. . From automotive trim, dishwashers, range hoods and flatware to oil refinery and roofing equipment, 430 can be found in a number of popular uses. Martensitic stainless steels make up the 400 series of stainless steels. The four hundred series is vulnerable to rust and corrosion under some situations. The martensitic 400 series of stainless steel is more challenging to laser weld than the austenitic and ferritic grades. Read More 410 Stainless Steel Sheet - Slice of Stainless Austenite is a solid solution of iron and carbon that comes into existence above the critical temperature of 723C. Does not crystallize upon cooling. The AISI numbering system: namely 200, 300, and 400 Series numbers. . Grade 416 is free machining and is the most easily machined stainless steel. . At Texcellent Industries, we have many sizes of 440A stainless in stock. It typically contains 11.5 - 13% chromium, 0.15% carbon, 0.1% manganese and is used in applications such as gas turbines blades and cutlery. Type 202austenitic general purpose stainless steel; 300 Seriesaustenitic chromium-nickel alloys. Passivation of 400-Series Stainless Steel. The effectiveness of this low- temperature nitriding treatment is in reducing the friction and wear. Austenitic stainless steels are generally used where corrosion resistance and toughness are primary requirements. Austenitic stainless steels generally fall into one of three categories, either the chromium-nickel stainless steel of the 300 series, the manganese-chromium-nickel stainless steel of the 200 series, or certain specialty alloys. Ferritc Stainless - some of the AISI 400 series alloys are not hardenable by heat treatment as these grades remain ferritic over the critical temperature range. Heat-treating will harden the 400 series. This family of stainless steels displays high toughness and impressive resistance to elevated temperatures. And while 410 stainless steel does not contain any nickel, nickel makes up around 10% of the total composition of 304 stainless steel. Austenite is a high-temperature phase of plain steel, which recrystallizes into ferrite/pearlite around 1425F (depending on chemistry), below which ferrite becomes the more stable phase. Alloy 20 (Carpenter 20) is an austenitic stainless steel possessing excellent resistance to hot sulfuric acid and many other aggressive environments which would readily attack type 316 stainless. Most applications for stainless steel however are not as exotic. Stainless steels' main categories are austenitic (200 and 300 Series), ferritic (400 Series . AISI 304 stainless steel around 8 %-10% nickel content; molybdenum improves resistance to localized corrosion in chloride-containing environments have good corrosion resistance but are susceptible . Characteristics This is the major difference between 300 and 400 series stainless steel; 300-series grades contain enough nickel to stabilize austenite at room temperature and hence are termed "austenitic" grades. Some of these grades respond to a magnet much like ordinary steel. . Ferritic wrought alloys (the AISI 400 series) contain from 10.5 to 27% chromium. Of the two, 304 is the most commonly used in general and has a composition of 18% chromium and 8% nickel, with the remainder of the alloy consisting of steel. Ferritic Stainless Steel Applications Actually there are over 50 stainless steel alloys. Type 301highly ductile, for formed products. 15-5PH, 17-4PH) while it is slightly higher for sulfur and selenium bearing free-machining austenitic grades such as 303 and 347. . 400 Seriesferritic and martensitic chromium alloys; Type 405ferritic for welding applications; Type 408heat-resistant; . Sparks: Spark identification is to grind stainless steel on a grinder and observe the sparks. With sufficient quantities of nickel, stainless steel remains austenite at room temperature, creating the austenitic steels. Martensitic or 400 series stainless steels are easier to machine, however, they are not as corrosion resistant so they are easier to etch. To qualify as stainless, the material must have a minimum of 10% chromium in the content. 17-4 PH and 17-7 PH steels contain 17% chromium and 4% or 7% nickel, respectively. No chromium compounds or halogens. We're well-known as one of the leading 200 300 400 series austenitic stainless steel sheets in coil manufacturers and suppliers in China. These steels contain approximately 11% more chromium than the 300 series, providing high strength and wear resistance but a greater susceptibility to corrosion than 300 steels. Austenitic stainless steel: The chromium content is more than 18%, and it also contains about 8% nickel and a small amount of molybdenum, titanium, nitrogen and other elements. 18-8 stainless is another name for 304 stainless (18% chromium and 8% nickel). Of all the different series, the 200, 300 and 400 series are the most common. Bright Annealing All grades of stainless steels can be bright annealed in highly reducing controlled Unlike SAE 200 and 300, 400 . History Annealing not only allows . Bobco Metals Los Angeles, CA 866-267-8335 Request For Quote View Company Profile Austral Wright Metals provides a comprehensive vary of stainless steels, copper alloys, nickel alloys and other high efficiency metals for challenging service situations. They are also difficult to weld. Welding of 300 Series Stainless Steels The 300 Series is composed of two types of material: those which contain ferrite and austenite; and those which contain . Wholesale Supplier of 400 Series SS Sheets, Plates, Coils, Patta, Patti - Stainless Steel 420 Plate, Stainless Steel 420 Sheet, Stainless Steel 420 Coil offered by Solitaire Impex, Mumbai, Maharashtra. Carbon content is low.