The properties of stainless steels result from both its chemical composition. Handbook of stainless steel preface the world consumption of stainless steels has shown a more or less constant increase of 6 % per annum since the middle of the like this book. Stainless steels specifications, grades and properties. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. Table 1 nominal chemical composition of two duplex stainless steels. Usage of super duplex steel 2507 fasteners should be limited to applications below 600 f 316 c.
Duplex 2507 is a super duplex stainless steel designed for applications. The presence of chromium, nickel, molybdenum and nitrogen elements provides outstanding resistance to general and localized corrosion. Duplex stainless steel 2507 uns s32750 chemical composition. Grade data, specifications and properties are inlcuded for stainless steel. Supercore 2507, 2507p rutile flux cored wires for superduplex stainless steel product description flux cored wire made with an alloyed stainless steel sheath and rutile flux system. The ductility of the grade is quite adequate for most operations, but heavy deformation, such as cold forging, is. The chemical composition of stainless steel grade super duplex 2507 is outlined in the following table. The values given below are average values in the temperature ranges. They have special quality finishing and duress for long life, high pressure and zero defects. Therefore, this research work focuses on studying microstructural changes with time and temperature of a saf 2507 superduplex stainless steel subjected to thermal cycles. The following table shows the chemical composition of grade 201 stainless steel. It has been crafted specifically to be used in situations that require exceptional strength and resistance to corrosion including use in seawater equipment, chemical processing and petrochemical. Stainless steel specification and composition table chart.
Machinability study of first generation duplex 2205, second generation duplex 2507 and austenite stainless steel during drilling process article pdf available in wear 304s 12. Extended elevated temperature exposure can reduce both the toughness and corrosion resistance of alloy 2507. Super duplex 2507 stainless steel uns s32750 and uns s32760 print email overview. While the old aisi three digit stainless steel numbering system e.
The resulting weight savings can considerably reduce the overall cost of fabrication. We can produce highquality super duplex 2507 pipe fittings, stainless 2507 super duplex fittings, astm a815 uns s32750, astm a403 uns s32750. This results in hundreds of different grades of stainless steel that are covered by a range of national and international standards. In this paper, an uptodate overview of welding consumables. The first reference book to be published on the increasingly popular duplex stainless steels, it will be widely welcomed by metallurgists, design and materials engineers, oil and gas engineers and anyone involved in materials development and properties. Table 2 chemical composition of wrought highperformance ferritic stainless steels wt. Duplex stainless steel fasteners 2205 2507 get a live quote.
Exporter of a wide range of duplex stainless steel fasteners in india at best factory rate. Duplex stainless steel round bar 2205 astm a182f51 uns s31803. Saf 2507, also known as sandvik saf 2507, is a sandvikowned trademark for a 25cr duplex ferriticaustenitic stainless steel. Asm specialty handbook stainless steels the best singlevolume reference on the metallurgy, selection, processing, performance, and evaluation of stainless steels, incorporating essential information culled from across the asm handbook series. The chemical composition of s32750 and s32760 are similar. Often a light gauge of super duplex 2507 material can be. Aisi 2507 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. Chemical process industries heat exchangers, vessels, and piping desalination plants and other saltwater applications. For more severe requirements, hyper duplex stainless steel grades 4 have been introduced. The following datasheet gives more details about grade 201 stainless steel.
Duplex stainless steel 2507 is an austenitic ferritic stainless steel that provides extensive strength and corrosion resistance. High resistance to chloride stress corrosion cracking. Evaluation of thermal embrittlement in 2507 super duplex stainless. Duplex 2507 offers excellent resistance to pitting and crevice corrosion and stress corrosion cracking. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of. Stainless 2507, super duplex 2507, uns s32750, stainless steel. Aisi 2507,stainless steel aisi 2507,duplex stainless steel. The grade is suitable for several oil and gas applications, such. Super duplex s32750 pipe fittings suppliers manufacturer 1.
About 0% of these are steel pipes, 4% are stainless steel pipes. Super 2507 duplex stainless steel chemical composition. Stainless steel specification and composition chart. High performance stainless steels nickel institute. Duplex stainless steel fasteners 2205 2507 get a live. Practical guidelines for the fabrication of duplex. Here at best stainless, we are happy to provide clients with high quality super duplex 2507 stainless steel, a 5050 mixture of austenite and ferrite, which is stronger than.
Offers good corrosion resistance to many environments. Super duplex steel 2507 fasteners possess excellent mechanical properties. Here at best stainless, we are happy to provide clients with high quality super duplex 2507 stainless steel, a 5050 mixture of austenite and ferrite, which is stronger than either a pure austenitic or ferric alloy. Characterised by higher contents of cr, mo, and n than standard duplex steels, resulting in increased corrosion resistance, these steels were developed for applications in aggressive chloride environments. The nominal chemical composition of saf 2507 is 25% chromium, 7% nickel.
B62 pg 5 of 5 supercore 2507, 2507p rutile flux cored wires for superduplex stainless steel product description flux cored wire made with an alloyed stainless steel sheath and rutile flux system. This gives sandvik saf 2507 definite design advantages over austenitic stainless steels in equipment comprising of both carbon steel and stainless steel. May 20, 2005 the name stainless steel covers a variety of corrosion resistant steels. This publication assumes the reader already has experience with the fabrication of stainless steels. Autogenous orbital welding of super duplex saf 2507 stainless steel also provided. Strength duplex stainless steel is about twice as strong as regular austenitic or ferritic stainless steels. Alloy 2507 duplexsuper duplex stainless steel plate. Atlas steels technical handbook of stainless steels page 3 au table of contents foreword 2 atlas steels technotes 2 atlas grade datasheets 2 atlas steels technical department 2 limitation of liability 2 table of contents 3 the family of materials 4 steel grade designations 4 stainless steels introduction to the grades and. Super duplex stainless steel 2507high temperature strength. The duplex structure gives this family of stainless steels a combination of attractive properties.
The use of duplex stainless steels has grown rapidly in the last 10 years, particularly in the oil and gas industry, chemical tankers, pulp and paper as well as the chemical industry. The atlas steels technical handbook of stainless steels. Super duplex 2507 stainless steel is designed for specific applications requiring high strength and excellent corrosion resistance. Evaluation of thermal embrittlement in 2507 super duplex. Super 2507 duplex stainless steel chemical composition from. Stainless steel super duplex 2507 is designed to handle highly corrosive conditions and situations were high strength is required. Stainless steel grade super duplex 2507 uns s32750 azom. The nominal chemical composition of saf 2507 is 25% chromium, 7% nickel, 4% molybdenum and other alloying elements such as nitrogen and manganese. Such phases, due to chemical composition, can decrease the mechanical properties and corrosion resistance of the material, avoiding a good performance inservice. Some of the applications and industries that utilize duplex 2507 include. Chapter 6 the early books and papers on stainless steel. The chemical composition of the 2507 super duplex stainless steel wt.
Sandvik saf 2507 superduplex stainless steel sandvik. Penn stainless products is a supplier and processer of stainless steel plate inover 30 grades, including 304l sizes range from 316. S32507 duplex stainless steel material offered by beall industry group are of high quality. Sandvik saf 2507 is particularly suited for use in aggressive. Hyper duplex stainless steel for deep subsea applications. This paper presents an overview of duplex stainless steels dss with particular emphasis on super dss, i. Microstructuretailored stainless steels with high mechanical. Duplex stainless steel 2507 uns s32750 chemical composition physical properties. Also sold as alloy 2507, this alloy is used in situations where exceptional strength and corrosion resistance are in demand. Fracture toughness properties of duplex stainless steels henrik sieurin materials science and engineering, royal institute of technology, brinellv. Please contact us if you require special steel types other than those shown in the table. The chemical composition of 2507 superduplex stainless steel used is as shown in table table 1.
Pdf machinability study of first generation duplex 2205. Machinability study of first generation duplex 2205, second. The microstructure and mechanical properties of friction stir fs welded saf 2507 super duplex stainless steel were examined. Handbook of stainless steel preface the world consumption of stainless steels has shown a more or less constant increase of 6 % per annum since the middle of the. The steel used has a hardness range of 2732 hrc and density of 7. Alloy 2507 duplex stainless steel plate sandmeyer steel. This chapter introduces am manufactured stainless steels 316l, 2507 and 420. Microstructural changes in saf 2507 superduplex stainless steel. Alloy 2507 uns s32750 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. Sandvik saf 3207 hd uns s33207 is a hyperduplex stainless steel characterized by excellent corrosion resistance in chloride environments combined with exceptionally high mechanical strength.
Astm a995995m standard specification for castings, austeniticferritic duplex stainless steel, for pressurecontaining parts ce3mn ss2507 chemical composition nominal %. The name stainless steel covers a variety of corrosion resistant steels. Machinability study of first generation duplex 2205, second generation duplex 2507 and austenite stainless steel during drilling process. Fabrication 2507 is a high strength steel, so high forming forces will be required and high springback should be anticipated. Grade 201 stainless steel has good formability, corrosion resistance, and fabricability. Stainless steels, nickel development institute reference book series no. Stainless steel alloy 2507, duplex 2507 continental steel. This research investigates the feasibility of using the thermoelectric power to monitor the thermal embrittlement in 2507 super duplex stainless steel sdss exposed to a temperature between 280 c and 500 c. Alloy 2507 is a super duplex stainless steel alloy with a mix of 25% chromium, 7% nickel and 4% molybdenum. Welding duplex and superduplex stainless steel industry guide. Table 2 shows the chemical composition of saf 2507 superduplex stainless steel. The uns designation for saf 2507 is s32750 and the en steel no. Machinability study of first generation duplex 2205. Stainless steel specifications, grades and properties.
Jul 08, 2008 super duplex 2507 stainless steel is designed for specific applications requiring high strength and excellent corrosion resistance. Includes additional data and reference information carefully selected and adapted from other authoritative asm sources. Fracture toughness properties of duplex stainless steels. Great resistance to general and localized corrosion. Looking for duplex 2507 plate, bar, pipe, or fittings. Stainless 2507, super duplex 2507, uns s32750, stainless. Microstructure and mechanical properties of friction stir.
Duplex stainless steels have a twophase microstructure of austenite and ferrite grains. The grade is characterized by very good chloride corrosion resistance, combined with very high mechanical strength. Contained hereon are details on applications, chemical composition, fabrication, machinability and available sizes from stirlings australia. Hardness is measured by hv or hrb only, depending upon the sheet thickness. It has long been known that insert rings of the correct chemical composition. The chemical composition of this alloy is as follows. In all these examples, topics like welding, corrosion resistance and mechanical strength. Approaches to the orbital welding of duplex stainless steel tubing. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. You can publish your book online for free in a few minutes. Super duplex 2507 stainless steel stainless steel alloy. Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. A wide variety of saf 2507 super duplex steel pipe price options are available to you, such as technique, grade, and type.
Super duplex 2507 stainless steel uns s32750 and uns s32760. Duplex 2507, is a commonly used super duplex stainless steel. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking. Highquality, fullpenetration welds were successfully produced in the super duplex stainless steel by friction stir welding fsw using polycrystalline cubic boron nitride pcbn tool. Alloy 2507 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. Metal products distributor supplier metals and materials table of contents. Stainless steel alloy 2507, duplex 2507 continental. Duplex stainless steel 2507 is a super austenitic ferritic stainless steel that offers high strength and corrosion resistance. Chemical composition physical properties applications.
Alloy saf 2507 is a super duplex stainless steel comprised of 25 percent chromium, 4 percent molybdenum and 7 percent nickel. Microstructural changes in saf 2507 superduplex stainless. In fact wing to the special grade of steel super duplex steel 2507 flanges are used for all critical applications. Super duplex 2507 stainless steel, the applications and. The supercore 2507 combines easy operability, high deposit quality and exceptional bead appear ance for downhand and hv welding. Specialty metals stocking range of quality stainless steel round bar includes the following materials. Handbook of stainless steel outokumpu high performance. Machinability study of first generation duplex 2205, second generation duplex 2507 and austenite stainless steel during drilling process author links open overlay panel j. Practical guidelines for the fabrication of duplex stainless steel. High molybdenum, chromium and nitrogen content in super duplex 2507 help the material withstand pitting and crevice corrosion.
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