Composition type 316 wt % type 316l wt % carbon c 0. Type 316 stainless steel is widely used in applications requiring corrosion resistance. Austenitic stainless steel, which is usually referred to as the 300 series, is ideally suited to laser welding, table 4. Pdf the mechanical properties and corrosion resistance of 316 l stainless steel fabricated using the laser engineered net shaping lens technique. General properties types 316 uns s31600, 316l s31603, 317 s31700 and 317l s31703 are molybdenumbearing austenitic stainless steels which are more resistant to general corrosion and pitting crevice corrosion than the conventional chromiumnickel austenitic stainless steels such as type 304. The particular application for which stainless steel will be used determines the type and grade of stainless steel.
Tables of technical properties of stainless steels flat products. Applicationsalloy 316 316l uns s31600 s31603 is a chromiumnickelmolybdenum austenitic stainless steel developed to provide improved corrosion resistance to alloy 304304l in moderately corrosive environments. Molybdenum is a chemical element used for the strengthening and hardening of steel. The lower carbon content minimizes chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion. The moduli of the martensitic stainless steels 29 x 106 psi 200 gpa are slightly less than the modulus of carbon steel 30 x 106 psi 207 gpa but are markedly higher than the moduli of other engineering materials, such as aluminum 10 x 106 psi 67 gpa. Where special steel properties are called for, we can tailor our products to meet specific customer demands. The difference in their structure is primarily the addition of molybdenum to. The following datasheet gives more details about grade 317 stainless steel. It is often utilized in process streams containing chlorides or halides.
Stainless 316, 316l, 317, 317l united performance metals. Fatigue behavior of austenitic type 316l stainless steel. It offers good resistance to pitting and crevice corrosion in the various chemical conditions. The molybdenum gives 316 better overall corrosion resistant properties than grade 304, particularly higher resistance to pitting and crevice corrosion in. The molybdenum gives 316 better overall corrosion resistant properties than grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. This slight difference from grade 316 makes a huge difference in some of the applications and. In this study, austenitic type 316l stainless steel was used and studied and it chemical compositions are given in table 1. While the old aisi three digit stainless steel numbering system e. Both are nonmagnetic, austenitic, and nonhardenable through heat treatment. Each is slightly different, and each is used for different purposes. Other applications include fasteners and screens for the mining industry. Three general classifications are used to identify stainless steels. It is a low grade steel that prevents embrittlement and sensitization. The chemical composition of grade 317 stainless steel is outlined in the following table.
Mechanical properties duplex stainless steels have roughly twice the yield strength of their counterpart austenitic grades. Astm a479 grade 316l annealed austenitic stainless steel. Stainless steel 316 has superior corrosion resistance properties as well as elevated temperature prolong performance potential. Special properties very good stability against chloric media and nonoxidizing acids.
Minimum mechanical properties for annealed types 316, 316l, 317 and 317l austenitic stainless steel plate, sheet and strip as required by astm specifications a240 and asme specification sa240, are shown below. Ss316 is better than ss304 in terms of corrosion resistance, heat resistance and certain properties, but the price is higher than aisi 304, for more details, please check stainless steel grade 304 vs 316, and 316 vs 316l. Pdf the microstructure, mechanical properties and corrosion. Similar to 304, grade 316 stainless steel has high amounts of chromium and nickel. There are 45 suppliers who sells 316 stainless steel material. Its main function in stainless 316 is to help fight off corrosion from chlorides. The 316 family is a group of austenitic stainless steels with superior corrosion resistance to 304 stainless steels. The l means that the carbon content of the alloy is below 0. Applicationsalloy 316 316l uns s31600 s31603 is a chromiumnickel molybdenum austenitic stainless steel developed to provide improved corrosion resistance to alloy 304304l in moderately corrosive environments. Types 316 uns s31600, 316l s31603, 317 s31700 and 317l s31703 are molybdenumbearing austenitic stainless steels which are more resistant to general corrosion and pitting crevice corrosion than the conventional chromium nickel austenitic stainless steels such as type 304.
Applicationsalloy 316316l uns s31600 s31603 is a chromiumnickelmolybdenum austenitic stainless steel developed to provide improved corrosion resistance to alloy 304304l in moderately corrosive environments. They also have excellent toughness and can be used in the food, marine, chemical and architectural fields. The property of most interest is modulus of elasticity. Together, chlorine and chloride cause stainless steel failures that wouldnt occur by exposure to chlorine or chloride alone.
There is a variety of different types of 316 stainless steel. Properties, production, examples and applications cold rolled steels difference between aisi 316, aisi 316l and aisi 316ln stainless steel electrical steel. In addition, alloy 316 316l provides excellent elevated. Construction encasement, doors, windows and armatures, offshore technology, cisterns and tubes for chemical tankers. Austenitic stainless steel has a thermal conductivity of one third of carbon steel and is a superior absorber of laser light. Austenitic stainless steel 310310s offers excellent resistance to oxidation up to 2000of. Properties, types, production, and applications hot rolled steels introduction. Austenitic steel in form of tubular specimens were provided by local supplier, s. Reference is often made to stainless steel in the singular sense as if it were one material. The sae ansi aisi 316 is the second most commonly availablewidely used type of stainless steel after the saeansiaisi 304. Austenitic uns s31600, s31603, s31700 s31703 introduction.
The type 316 alloys offer excellent resistance to general corrosion. Tables of technical properties of stainless steels flat products the selection of the appropriate stainless steel grade for each applic ation is the result of variou s considerations. The l designation means 316l steel has less carbon than 316. Corrosion resistant than the conventional 304304l stainless steel. Pdf 316316l stainless steel raman karuppiah academia. Mechanical properties minimum mechanical properties for annealed types 316, 316l, 317 and 317l austenitic stainless steel plate, sheet and strip as required by astm specifications a240 and asme specification sa240, are shown below. A major difference between 304 and 316 stainless steel is the chemical composition, with 316 containing a significant amount of molybdenum.
In order to assis t the reader in this selection, euro inox makes the following tables of technical properties available. Stainless steel specifications, grades and properties. Ati 316ti stainless is a titaniumstabilized version of type 316 molybdenumbearing austenitic stainless steel. Properties, processing and applications carbon steel. Grade aisi 316 stainless steel, ss316 uns s31600 properties.
Stainless steels for springs and other demanding applications. Ss316 is better than ss304 in terms of corrosion resistance, heat resistance and certain properties, but the price is higher than aisi 304, for more details, please check stainless steel grade 304 vs. Grade 316 stainless steel comes with a minimum tensile stress of 515 mpa, a minimum yield stress of 205 mpa, and a minimum elongation of 40% in 50mm. Austenitic stainless steel an overview sciencedirect. However, while both are typically used in industry, the ss aisi 316 is used in even harsher environments were there is a need for. Typical uses include exhaust manifolds, furnace parts, heat exchangers, jet engine parts, pharmaceutical and photographic equipment, valve and pump trim, chemical equipment. F amilies of stainless steel 9 10 medium and high crbased jfemh1 15cr1. The most basic difference between the grades of steel is the presence of molybdenum in stainless 316. Outwardly, 304 stainless steel and 316 stainless steel look very similar.
Criteria for selection once the design parameters have been established, the engineer may then evaluate the materials that appear to be. It is a complete revision of the design manual for structural stainless steel, which was prepared by the steel construction institute between 1989 and 1992 and published by euro inox in 1994. Minimum room temperature mechanical properties, astm a240 and a666 specifications. Astm a479 stainless steel astm a53 carbon steel pipes astm a564 stainless steel age hardened alloy steel. Stainless strip and wire to meet the needs of a variety of applications, we offer a wide range of steel grades with different properties. Grade 316 is an austenitic grade second only to 304 in commercial importance. S31603, 317 s31700 and 317l s31703 are molybdenumbearing austenitic stainless steels. Each of these stainless steel grades will resists corrosion, are quite durable, and are easily formed and fabricated. Well known stainless steel as well, with very high corrosion resistance, it is usually reserved to very aggressive.
Stainless 316 contains more nickel than stainless 304, while 304 contains more. Grade 317 stainless steel is a modified version of 316 stainless steel. Ati 316 uns s31600, ati 316l s31603, ati 317 s31700 and ati 317l s31703 alloys are molybdenumbearing austenitic stainless steels which are more resistant to general corrosion and pittingcrevice corrosion than the conventional. Austenitic 300 series stainless steel filler metals. Stainless steel 316316l uns s31600 chemical composition. The molybdenum gives 316 better overall corrosion resistant properties than grade 304.
Alloy 316 316l is molybdenumbearing austenitic stainless steel. In addition to excellent corrosion resistance and strength properties, the types 316, 316l, 317, and. Mar 22, 2018 similar to 304, grade 316 stainless steel has high amounts of chromium and nickel. Grade 316 is the standard molybdenumbearing grade, second inoverall volume production to 304 amongst the austenitic stainless steels. Considered the generic workhorse, the ss 304 can serve in most situations with great success. Types 316 s31600, 316l s31603, 317 s31700, 317l s31703. The higher nickel and molybdenum content in this grade allows it to demonstrate better overall corrosion resistant properties than 304, especially with regard to pitting and crevice corrosion in chloride environments. At room temperature, grade 316 stainless steel also exhibits the following set of properties. Good corrosion resistance to low content of hydrochloric and organic acids. Alloy 316316l is molybdenumbearing austenitic stainless steel. E308 used for stainless steel types 301, 302, 304l, 321, cf3 and cf8 e309 used for stainless steel types 304, 304l, 309, 309l. Ati 316 uns s31600, ati 316l s31603, ati 317 s31700 and ati 317l s31703 alloys are molybdenumbearing austenitic stainless steels which are more resistant to general corrosion and pittingcrevice corrosion than the conventional chromiumnickel austenitic stainless steels such. Properties of stainless steel 316l stainless steel grade 316l is an ultralow carbon version of the oftenused grade 316. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor.
Meanwhile table 2 represents the mechanical properties for hourglass specimen of austenitic steel. It offers medium strength and hardness at the very low temperature even below 450of. This is particularly apparent for pitting and crevice corrosion in chloride. The difference between 304 and 316 stainless steel metal. In some instances type 304 can be used in the aswelded condition.
833 155 1335 96 972 181 1121 165 1473 1098 1202 229 507 1058 1079 1508 1088 788 310 1107 1059 138 720 1348 661 1232 369 1079 1208 746 43 811 1477 1463 467 741 297 1038 883 821 635 373 578 820 136 1136 323 1279