Pdf the microstructure, mechanical properties and corrosion. The ability of the 188 stainless steel pipe grades to maintain clean surface often allows better heat transfer. The information herein is intended to facilitate understanding of the. This booklet discusses factors that should be considered by engineers. In 19 sheffield, england, harry brearley was investigating the development of new steel alloys for use in gun barrels.
Is 316 stainless steel worth the extra cost over 304. May 18, 2005 grade 316 is an austenitic grade second only to 304 in commercial importance. This makes the alloy ideal for cold heading applications. In general, filler metal metals of type 308l, 316l or 347. Supra 316 4401 is a normalcarbon alternative to supra 316 4404 that is widely used for various applications.
Gibbs type 316 stainless steel wire is coated for coiling and is available in the range 0. This new edition takes into account advances in understanding in the structural behaviour of stainless steel over the last 10 years. The mechanical properties and corrosion resistance of 316 l stainless steel fabricated using the laser engineered net shaping. However, to a manufacturer, the difference between stainless steel alloys such as grade 304 stainless steel and grade 316 can be huge. All stainless steel deposits on carbon or lowalloyed steel should be made with filler metal of sufficiently high alloy content to ensure that normal amounts of dilution by carbon steel will not result in brittle weld. Types 316 s31600, 316l s31603, 317 s31700, 317l s31703. Stainless steels stainless 316 properties, fabrication and. The molybdenum content increases corrosion resistance, improves resistance to pitting in chloride ion solutions, and increases strength at high temperatures. Types 316 s31600, 316l s31603, 317 s31700, 317l s31703 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 chromium. Stainless steel is a generic term for a group of corrosion resisting steels containing a minimum of 10.
Oxyacetylene welding has not been found to be successful for joining of 316 stainless steel. A number in parentheses indicates the year of last reapproval. Type 316s tensile strength is 1015% lower than that of type 302, and the alloy is slightly less magnetic in the spring temper than type 302. The 316 family is a group of austenitic stainless steels with superior corrosion resistance to 304 stainless steels. The family of stainless steels is most versatile in its ability to meet the requirements of hightemperature service. Assintered, heat treated to h900 standard, and heat treated to h1150 standard. The global leader in specialty metals 316316l stainless steel. In 19 sheffield, england, harry brearley was investigating the development of new steel alloys for use in. Our five categories of stainless steels are differentiated by the alloying elements added to iron, carbon and chromium. Stainless steel 316 has slightly better corrosion resistance than 302 and 304. Type 316 316l are austenitic stainless steel with the molybdenum added. Type 316 s tensile strength is 1015% lower than that of type 302, and the alloy is slightly less magnetic in the spring temper than type 302. Mechanical properties of 316 grade stainless steels. Fatigue and fatigue corrosion resistance of stainless steels are enhanced by the use of duplex grades higher mechanical properties, chromium content and duplex microstructure s32304 316l 317 ln 316l 2.
In addition to excellent corrosion resistance and strength properties, the types 316, 316l, 317, and. Chemical composition and mechanical properties, physical properties, heat treatment standard download. The addition of molybdenum increases general corrosion resistance, improves chloride pitting resistance and strengthens the alloy in high temperature service. While the old aisi three digit stainless steel numbering system e. 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. Austenitic grades are nonmagnetic and in addition to chromium, typically at the 18% level contain nickel which eases the fabrication process and corrosion resistance and are the most widely used group of stainless steels. The properties, applications and fabrication details are provided for 316 stainless steel. 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.
Stainless steel general information st st introduction. Assda has a single purpose to increase consumption of stainless steels in australia. Austenitic stainless steel, which is usually referred to as the 300 series, is ideally suited to laser welding, table 4. 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. Very good stability against chloric media and nonoxidizing acids.
S31603, 317 s31700 and 317l s31703 are molybdenumbearing austenitic stainless steels. Similar in composition to type 302, type 316 stainless steel wire has a slightly higher nickel content and 22. Compared with type 304 304l stainless steel, molybdenum has better overall corrosion resistance, especially for pitting and crevice corrosion in chloride environments. Grade 316 stainless steel is designed for extreme environments or those industries that require stronger protection and corrosion resistance than stainless steel under the 300 series. Type 316 contains slightly more nickel than type 304, and. Austenitic stainless steel an overview sciencedirect topics. Petroleum engineers steel products manualstainless and heat. Grade 316 is an austenitic grade second only to 304 in commercial importance. Type 316 steel is an austenitic chromiumnickel stainless steel that contains between two and 3% molybdenum. Technical information stainless steel austenitic 316h. Typical uses include exhaust manifolds, furnace parts, heat exchangers.
Tables of technical properties international stainless steel. Aisi 316 grade stainless steel uns s31600 astm aisi 316 stainless steel uns s31600 is one of the most widely used austenitic stainless steels. With its superior cold working properties, it can be used for severe cold forming operations and exhibits short time tensile and creep strength properties at elevated temperatures. Stainless 316, 316l, 317, 317l specialty stainless steel. Steel grade download,standard download,pdf,word steelgr. One question that marlin steels engineers hear a lot would be. 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 as ati 304. They also have excellent toughness and can be used in the food, marine, chemical and architectural fields. Type 301 is an austenitic chromiumnickel stainless steel. Grade aisi 316 stainless steel, ss316 uns s31600 properties. Supra 316 4401 is an austenitic stainless steel that belongs to the standard crnimo stainless steel family and has normal carbon, nickel, and molybdenum content. Due to the addition of molybdenum mo, ss316 has a great improvement in corrosion resistance and certain properties. As the temperatures of operating environments increase, however, elevatedtemperature properties quickly become the primary concern. This alloy is nonmagnetic in the annealed condition, but becomes magnetic when cold worked.
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. 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. Read this note this handbook provides a guide to the history, production, perfor mance and use of stainless steel. Stainless steel is not a single material but the name for a family of corrosion resistant steels. These representative data were tested, measured, or calculated using standard methods and are subject to change without notice. Astm a312 tp316 stainless steel pipe common premium grade of a312 pipe. Supra 3164401 is a normalcarbon alternative to supra 3164404 that is widely used for various applications.
Like many scientific discoveries the origins of stainless steel lies in a serendipitous accident. Pitting corrosion resistance is excellent, comparable to that of 316. In order to assis t the reader in this selection, euro inox makes the following tables of technical properties available. The 316 family is a group of austenitic stainless steels with superior corrosion resistance to. As an integrated stainless steel producer, jfe produces stainless steel from steel. In general, filler metal metals of type 308l, 316l or 347 should not be deposit directly on carbon or lowalloy steels. Ask us about our grade 316 ss in sheet, coil, and bar, which are available in ams 5524, 5506, and uns s31600, s31603. Types 316 s31600, 316l s31603, 317 s31700, 317l s31703 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. We are suppliers of high performance grades of 316 and 316l stainless steel. In addition to excellent corrosion resistance and strength properties, the ati 316, ati 316l, ati 317 and ati 317l cr nimo alloys also provide excellent fabricability and formability which are typical of the austenitic stainless steels. Minimum room temperature mechanical properties, astm a240 and a666 specifications. Tables of technical properties of stainless steels flat products. Typical uses include exhaust manifolds, furnace parts, heat exchangers, jet engine parts, pharmaceutical and photographic equipment, valve and pump trim, chemical equipment. Supra 3164401 is an austenitic stainless steel that belongs to the standard crnimo stainless steel family and has normal carbon, nickel, and molybdenum content.
Be part of a worldclass association and benefit from assdas commitment to industry market growth, access its technical support network, training and skills development, and various publications. Stainless steels corrosion resistance and mechanical properties can be further enhanced by adding other elements, such as nickel, molybdenum, titanium, niobium, manganese, etc. Is grade 316 stainless steel worth the extra cost over the stainless steel 304 alloy. Please contact us if you require special steel types other than those shown in the table. Stainless steel 304, ss 310s, ss 316 chemical composition.
18 1514 1514 234 499 1454 106 943 439 1383 894 251 1463 308 1129 151 944 728 1197 451 575 624 1032 619 1335 1097 720 120 671 1140 577 645