Stainless steel grades 400 series

The 500 series consists of heatresistant chromium alloys and is not very large or commonly used. What is the difference between 300 series and 400 series. They also published a stainless steel products manual that listed these designations and the typical chemical analysis and mechanical and physical properties of each individual grade. Addressing welding challenges with 400series stainless steel. Mar 15, 2018 the 300 series stainless steel has an austenitic crystal structure. This table is intended for reference use and not for design purposes. Martin denault technical manager addressing welding challenges with 400 series stainless steel july 1, 2018.

Ss409 has lower chromium and, therefore, reduced resistance to corrosion. Michlin metals supplies stainless steel in 300 and 400 series grades as well as ph and duplex grades. Stainless steels are ironbase alloys containing 10. Type 102austenitic general purpose stainless steel. This steel is having corrosion resistance as well as this steel can hardened. The following is a discussion of the various types of stainless steel. This stainless steel has a martensitic structure and an iron element, so it has normal magnetic properties. Grade 416 is free machining and is the most easily machined stainless steel. What is the difference between 300 series and 400 series of. Grade 1810 stainless steel is also usually in this application level. These stainless steels generally contain chromium and manganese and are magnetic. Stainless steels do not affect the taste of the product, they are easily cleaned and sterilized to prevent bacterial contamination of.

The 400 series of stainless steels have higher carbon content, giving it a martensitic crystalline structure. This stainless steel series tends to be susceptible to rust and corrosion under some conditions although heattreating will harden them. Grade 416 stainless steel is a martensitic stainless steel similar to type 410. Both have the same general characteristics of the 300 series. Metal weight calculaleformula round ss 400 series,square ss.

Besides, these are also used in consumer durable and transport industries. An overview of austenitic and ferritic stainless steels. Stainless steels for machining a designers handbook series committee of stainless steel producers american iron and steel institute 16th street, n. The 400 series includes both ferritic and martensitic steels. The composition of these stainless steels varies in chemical makeup and concentrations, but they. The term 188 is used interchangeably to characterize fittings made of 302. The 400 series ferritic stainless alloys 409, 430, 439 and 444 are used for exhaust systems, mufflers, catalytic converters, water heaters and tanks, furnace shells, heat exchangers, kitchen equipment, and other equipment requiring corrosion resistance at elevated temperatures. Metal spinning stainless steels 300 and 400 series. The 400 stainless steel series generally have good ductility and can be welded or fabricated without difficulty. Home selecting the correct stainless steel grades 400 series stainless steel. Belongs to ferrite stainless steel and martensitic stainless steel. Learn how to improve performance of 400 series stainless steel parts with electropolishing, including parts made of 410, 416, 418, and 420 alloyes. They also published a stainless steel products manual that listed these designations and the chemical analysis as well as most mechanical and physical properties of each individual grade.

The composition of stainless steel varies, and any stainless steel with nickel in it is difficult to magnetize, although coldrolling it, stretching it or stressing it in other ways does increase its magnetic potential. The semiaustenitic grades are ak steel 177 ph stainless steel and ak steel ph 157 mo stainless steel. Here weve assembled the most basic 300 grade series stainless steels in one category. Stainless steel series, grades, composition alloy industry guru. Uncommon to 400 series, this specialty stainless grade has molybdenum added with titanium and niobium added to stabilize the microstructure. This group of ferritic stainless steels 400 series contain 10. Stainless steel 400 series ferritic grades diversified ulbrich. Aisi standard and 400 series grade stainless steel plate. Austenitic 300 series stainless steel, in particular, type 304 and 316 or sometimes 400 series is used, is the material of choice for the food and beverage industry. Jul 24, 2017 ferritic stainless steels 400 series about 20 percent of all stainless steel grades have a ferritic microstructure, with ss430 being the most widely used.

Call michlin today for a quote on your metal needs. The most popular series numbers are 200, 300, 400, 600, and 2000. It is a straight chromium alloy, with carbon levels that can vary from 0. Stainless steel 330 stainless steel 347 400 series. For other terms and their definitions you will encounter when dealing with stainless steel click here. This radically changes the behavior of the martensitic alloys relative to the ferritic 400 series alloy. Stainless steel is graded through consideration of the environment that it will be assigned to. Most watches that are made of stainless steel are made of this grade. Ferritic stainless steels 400 series about 20 percent of all stainless steel grades have a ferritic microstructure, with ss430 being the most widely used. Low 444 stainless steel is similar in its ability to form compared to 400 series stainless grades. Grade 440a has good strength and excellent hardness.

How to tell the difference between 300,400 and 600 series. The family of martensitic stainless steel are alloys having 11. They are nonhardenable by heat treating, and always magnetic. Tableware, cooking utensils, food processing equipment, food preparation and mild chemical applications use this stainless steel. Of all the different series, the 200, 300 and 400 series are the most common.

Stainless steel 409 stainless steel 410 stainless steel 416 stainless steel 422 stainless steel 430 stainless steel 431 stainless. It is primarily used in mixing bowls, kitchen utensils and inexpensive stockpots. Stainless steel 302 stainless steel 302hq stainless steel 303. They are commonly used in aerospace, automotive, construction, and other. This group of stainless steels has an addition of 11 percent chromium and 1percent manganese. Stainless steels do not affect the taste of the product, they are easily cleaned and sterilized to prevent bacterial contamination of the food, and they are durable. Ss316 is usually used for nuclear fuel recovery devices. Good heat resistance, weak corrosion resistance, 11% cr, 8% ni. At texcellent industries, we have many sizes of 416 stainless in stock, including heat treated to both 2832 rc and. Type 409 stainless steel uns s40900 is a stabilized ferritic stainless steel that provides improved oxidation and corrosion resistance compared to carbon steel. Ive run almost every variation of 400 series stainless there is at one time or another.

Reference is often made to stainless steel in the singular sense as if it were one material. Theyre strong stainless, but not as easily welded as the 300 series. The 400 series stainless steels have some special uses such as in coinage, autoexhausts, razor blades, power packing in petrochemicals etc. The 400series group of stainless steels contain 1127% chromium, up to about 1 % carbon, and 2. Learn about the versatility of the 400 series stainless steel mechanical. The typical stainless steel grading system used for stainless steel is the society of automotive engineers sae grades, which is designated by the sae, and the uns grades. The 600 series stainless steel alloys are used for applications that require corrosion and hightemperature resistance. Differences between grades of stainless steel career trend. Jul 01, 2018 martin denault technical manager addressing welding challenges with 400 series stainless steel july 1, 2018.

For our 400 series stainless, weve put 410 and 430 grades together. This chart is intended for reference only and not for design. These tables are intended for estimating purposes only and lists typical chemical properties for a variety of 300 and 400 series stainless steel grades. Also referred to as a4 in accordance with international organization for standardization iso 3506. Good corrosion resistance and all are offered as annealed. The 400 series group of stainless steels typically have an 11% chromium and 1% manganese increase, above the 300 series group.

The sae steel grades system is a standard alloy numbering system sae j1086 numbering metals and alloys for steel grades maintained by sae international in the 1930s and 1940s, the american iron and steel institute aisi and sae were both involved in efforts to standardize such a numbering system for steels. Food contact safe stainless steel boulder engineering studio. Our stainless steel sheetplate is available in 300, 400 and 200 series. Typical uses of stainless steel sheetplate include, construction, food service applications, transportation, chemical, marine, and textile industries. Ss439 has greater resistance to corrosion and improved hightemperature stability. Stainless steel ss 400 series stainless steel pipes. Some applications for 200 series stainless steel include. The ferritic 400 series stainless steels are strongly attracted to a magnet, have good ductility, and have good resistance to corrosion and. To be approved by the fda, ansi and nsf, stainless steel that is to be used in food equipment must be of a type in the sae 200 series chromiumnickelmanganese alloys, sae 300 series chromiumnickel alloys, or sae 400 series chromium alloys. Some of the 400 series of stainless are considered to be martensitic or ferritic which unlike the.

In addition to the risk of the corrosion of the weld joint is reduced because of adding the titanium element, the other performance is similar to 304 stainless steel. Metal weight calculaleformula round ss 400 series,square. Three general classifications are used to identify stainless steels. Mar 10, 2020 the range of applications for 200 series stainless steels is narrower than that of 300 series steels due to its lower corrosion resistance. The 400 series of stainless steels have a martensitic crystalline structure that has higher carbon content. Each type of stainless steel is classified by its series number and then assigned a numerical grade. While they still exhibit the corrosion resistance that is typical of stainless steel in general, they are less corrosionresistant than the 300 series, and therefore typically cost less. The 400 series that cdm typically deals in is 409, 410s, 430, and 439. Importer of stainless steel 400 series round bars din 1. It is a different crystal lattice structure than 300 series and less corrosion resistant. Grade 304 188 this basic alloy has a minimum of 18% chromium and 8% nickel which is combined with 0. All values shown indicate the maximum percentage unless otherwise noted. The 400series group of stainless steels contain 1127% chromium, up to about 1% carbon, and 2. They are austenitic in the annealed state, but martensitic in the hardened condition.

There are many numerical grading systems for stainless steel, designated according to their composition, physical properties, and applications. Specialty stainless sheet 400 series grades stainless sheet dollars per pound price in effect at time of shipment effective november 1, 2019 base prices grade 410 410h 420 420h 430 434 435 mod 436 baselb. The 400 series includes various grades of ferritic and martensitic stainless steel and are all composed of chromium alloys. Ferritic stainless steel is used in applications where resistance. Typical applications for ferritic stainless steels include petrochemical, automotive exhaust systems, heat exchanges, furnaces, appliances and food equipment to name a few. These are straight chromium alloys, that have low carbon and are magnetic but it not heat treatable. What is the difference between 188 and 1810 stainless steel. Grade 440a stainless steel is a high carbon martensitic stainless steel. It can be easily hardened by subjecting it to heat, and is highly resistant to abrasion, but it displays less resistance to corrosion compared to other alloys of stainless steel. Its not recommended for use in chemical environments, but its found its way into many household items. There is an incredible variety of stainless steel grades available, which are categorized into six different series. The 400 series, stainless steel has a ferritic crystal structure. Stainless steel grades the ultimate guide machinemfg.

The aisi american iron and steel institute was the originator of the 300 and 400 series numbering system i. Metal weight calculale formula round ss 400 series,square ss 400 series, hex ss 400 series, ocagonal ss 400 series plate ss 400 series, sheet ss 400 series,tee ss 400 series, angle ss 400 series, beam ss 400 series. Some of that 400 series like 416 you can run pretty much run like mild steel, i remember 410 pretty pretty good too. May 05, 2018 200 and 300 series stainless steel are austenistic, which means they are not magnetic but 400 is most commonly youll be able to tell by the application. Series 200 and 400 stainless steel do not have nickel, are naturally magnetic and can be magnetized.

Ak steel 177 ph stainless steel has excellent high strength and fatigue properties, and is used in aerospace components. Type 440, a higher grade of cutlery steel, with more carbon in it, which allows for. The types of stainless steel in this series are magnetic and typically contain 11% chromium and 1% manganese. 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. The 400 series is susceptible to rust and corrosion under some conditions. Grade 416 can be hardened similarly to other 400 series stainless steels. Deep drawing stainless steel toledo metal spinning. A buyers guide to stainless steel cookware rebecca wood. The 300 series of stainless grades which also include grades such as 304, 321 and 347 are considered austenitic crni grades of stainless. Alloy steel grade 4320 alloy steel grade 8620 carbon steel grade 1006 carbon steel grade 1008. Stainless steel chemical and physical properties stainless. Stainless steel 400 series ferritic grade list of alloys stocked at diversifieds toronto and montreal locations. Alloy 410s is a low carbon, nonhardening modification of alloy 410.