Super duplex a182 f55 flange, astm a182 f55 flange, super duplex s32760 flange 1. Super duplex steel uns s32750 s32760 pipes and tubes. Zeron 100 fg meets the requirements of astm a 276 for uns s32760 condition s. It is the first choice of constructors, engineers and industrialists. The following are the properties of s32760 super duplex. Oil and gas industry equipment, offshore platforms, heat exchangers, process and service water systems, fire. All stock plate is manufactured by western european steel makers, third party inspected, and certified in accordance with en 10204 3. Stainless steel tubing 316 stainless steel steel bar tool steel investment casting types of steel copper tubing glow booklet all stainless steel is sleek, modern, and very rustresistant, but some grades perform better. Super duplex steel s32750 s32760 round bar, super duplex. We deal in all types of fasteners like super duplex s32760 nuts, super duplex s32760 bolts, super duplex s32760 screws, and super duplex s32760 washers, 1. Super duplex uns s32750 is the most common super duplex grade in the market. Duplex, super duplex, smo bar duplex 2205 super duplex. Uns s32750 super duplex material, duplex 32750 price in india.
S32760 super duplex stainless steel is developed to be used in aggressive environments. Duplex s32760 stainless steel pipe stainless steel pipe. Chemical compositions of aisi astm asme and uns duplex stainless steel grades introduction aisi astm asme and uns. We are also a very large stockholder of hot work tool steels, stainless steels and super duplex grade in round bar and plate sheet form. This paper discusses the application of standards and specifications to ensure adequate material quality. It is similar in composition to the more widely used super duplex grade uns s32760. Super duplex steel also is known as saf 2507 or super duplex 2507 with uns s32750 and uns s32760 1. As the super duplex uns s32750 pipe belongs to the super duplex category, it is used for high strength and high corrosive applications. The selection of super duplex stainless steel rolled alloys, inc. Super duplex f55 is available in bar from 6mm dia to 270mm dia and forging stock. Super duplex uns s32760 is among the most common super duplex grade in the market. It shows very good ductillity and impact strength at ambient and subzero temperatures. There are three groups of duplex, namely the duplex, super duplex and lean duplex. Duplex stainless steels are graded for their corrosion performance depending on their alloy content.
Specifications astm a182 f55 astm a276 f55 astm a479 f55 aisi f53 ws 1. Duplex s32760 is a super duplex stainless steel, socalled due to its higher chromium and molybdenum content. Duplex s tainless steel are extremely corrosion resistant, work hardenable alloys. Applications include chemical processing, oil and gas exploration, marine and other high chloride environments, and paper digestors. Alloy 32760 or uns s32760 is a highly resistant to crevice corrosion and pitting alloy for variety of corrsives.
Oct 19, 2001 2205 is the most widely used duplex ferriticaustenitic stainless steel grade. There is a conference on the subject of duplex every 23 years where dozens of highly technical papers are presented. Chemical compositions of aisi astmasme and uns duplex. Excellent corrosion resistance to intergranular corrosion. Lean duplex such as 2304, which contains no deliberate mo addition.
West yorkshire steel are suppliers of uns s32760 super duplex stainless steel round bar, plate and sheet. This is somewhat unfortunate for the acid industry because some super duplex grades i. They are being offered by all the major stainless steel mills for a number of reasons. Uns s32760 f55 super duplex stainless steel abbey forged. The performance of z100 uns s32760 superduplex r francis. The material combines high mechanical strength and good ductility with excellent corrosion resistance in a variety of environments. Uns s32750 do not contain any copper or tungsten additions, unlike z100. Abstract the history and properties of z100 superduplex stainless steel are discussed. Today, modern duplex stainless steel can be divided into four groups. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. Uns s32760 f55 super duplex stainless steel related specifications en100883 x2crnimocuwn2574 astm a182 f55 w. Super duplex s32760 fasteners supplied by oshwin overseas is of highquality fasteners available in all forms at best price and fast delivery. Nowadays superduplex stainless is an important material for the oil and gas. The grade is characterized by very good chloride corrosion resistance, combined with very high mechanical strength.
Tungsten is particularly useful in contributing to hardness at high temperatures but this is of little benefit in duplex steels which are generally limited to temperatures below 300 o. Super duplex stainless steel grades at a glance with astm specification and equivalent chart. The chemical composition, and a high chromium and molybdenum content, ensures high tensile strengths and exhibits high thermal conductivity and low thermal expansion. Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Uns s32550 has a slightly higher copper level, lower nickel and no deliberate tungsten additions, and is normally supplied to achieve the uns s32760 pren requirement of 40. Stainless steels duplex stainless steels properties. Their microstructures consist of a mixture of austenite and ferrite phases. Super duplex s32760 bolts are dual phase austeniticferritic duplex bolts manufactured from alloy containing chromium, nickel and molybdenum with restricted carbon content and minimum pren 42. Super duplex s32760 pipe, super duplex s32750 seamless. As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless stee ls this combination of properties can mean some compromise when compared with pure austenitic and pure ferritic grades. Its excellent performance, led to demand for the alloy in a wider range of product forms and the development of wrought product forms. Super duplex 2507 stainless steel uns s32750 and uns s32760. Chemical composition alloy uns pren alloy type api category. Trade name uns super duplex industry specifications chemical composition min.
Super duplex s32750 s32760 super duplex stainless steel. The material used in this work is a f55 s32760 super duplex stainless steel with chemical composition accordant to the astm a240a240m 04 standard. With a higher than average molybdenum and chromium content, the material has greater heat and corrosion resistant qualities. The chemical composition of super duplex s32750 and super duplex s32760 are similar. Super duplex uns s32760 pipe fittings linkedin slideshare. Uns s32760 a highly reliable super duplex stainless steel. Uns s32760 is a duplex stainless steel especially designed for service in aggressive chloridecontaining environments and has additions of w and cu compared to uns s32750. Super duplex s32760 bolts zeron 100 bolts alloy 32760. Supex duplex steel s32750 s32760 pipes supplier in.
As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steels. It provides pitting and crevice corrosion resistance. Super duplex stainless steel 32750 32760 seamless tubes, alloy 400 highpressure tubes manufacturer, super duplex stainless steel 32750 32760 instrumentation tubes exporter, alloy 400 boiler tubes supplier, uns s32750 s32760 compression tubes stockist, super duplex stainless steel 32750 32760 heat exchanger tubes stockholder, alloy 400. Resistant to pitting and crevice corrosion in warm seawater with a guaranteed corrosion performance pren 40 excellent resistance to stress corrosion cracking in both chloride and sour environments. Super duplex steel 2207 plates supplier, 2207 super duplex. Most astm and asme standards list the steel grades by their uns unified numbering system numbers but also make reference, where appropriate to the more general aisi american iron and steel institute grade designations. Super duplex uns s32750s32760 stainalloy masters in. In comparison with uns s32205, sus 329j3l, and sus 329j4l nas 64, it offers superior localized corrosion resistance, and thus is suitable for use in chemical plants. Marc steel is a known supplier of super duplex 2207 plates, is a lowalloyed, general purpose lean duplex stainless steel. There are different types of pipes available but super duplex steel s32750 s32760 pipes have become one of the best pipes that are preferred by numbers of buyers.
Zeron 100 fasteners have high strength, resistance to pitting, stress corrosion cracking, erosion and corrosion fatigue, crevice corrosion. Super duplex s32760 f55, super duplex alloy uns s32760 f55 1. Plasma keyhole welding of uns s32760 super duplex stainless. That s why duplex stainless steels also make nancial sense. The corrosion resistance in sulphuric acid is compared with some other common. Super duplex stainless steel uns 32750, uns 32760, 1. Super duplex s32760 nuts are dual phase austeniticferritic duplex nuts manufactured from alloy containing chromium, nickel and molybdenum with restricted carbon content and minimum pren 42. Super duplex stainless steel is a type of stainless steel belonging to a special family of steels called the duplex steel. Zeron 100 contains slightly more copper and tungsten. Nas 75n is a super duplex stainless steel with a pitting resistance equivalent pre number of more than 40, and provides excellent corrosion resistance and strength properties. The material is enhanced with further tests such as e562 microstructure analysis, and corrosion testing to g48 or a293 method c. S32760 super duplex grade has enhanced pitting and crevice corrosion resistance in comparison with the ordinary austenitic or duplex types and is suitable for use in aggressive environments.
The higher chromium, molybdenum and nitrogen contents result in a pitting resistance equivalent number pren of 40. All across the globe super duplex steel s32750 s32760 bar have become high in demand for tough applications. Stainless steel duplex s32760 pipe fittings and flanges. Zeron 100 f55 duplex 25cr duplex is a super duplex stainless steel for use in aggressive environments. About uns s32760 containing 25% chromium, 7% nickel, 3. Good mechanical characteristics aligned with high corrosion resistance. Super duplex stainless like s32750, is a mixed microstructure of austenite and ferrite 5050 which has improved strength over ferritic and austenitic steel grades. Included are flanges, fittings, valves, and similar parts to specified dimensions or to dimensional standards such as ansi specifications. Super duplex s32760 flange, super duplex alloy uns s32760 f55 1. Super duplex uns s32760 a182 f55 flange,super duplex. Zeron 100 fasteners have high strength, resistance to pitting, stress corrosion cracking, erosion and corrosion fatigue, crevice corrosion resistant. Its most important properties are excellent corrosion resistance and high strength.
It has very good resistance to localized corrosion and stress corrosion cracking in combination with high. Developed as a seawater resistant material for pump applications in the north sea as a cast material. Uns s32760 super duplex stainless steel west yorkshire steel. Notice the chemical composition of duplex 2507 and zeron 100 are similar however. This exposure causes a substantial reduction in toughness. Duplex stainless steel 6 moly super duplex copper nickel. You will find here complete information about super duplex s32750 such as astm equivalent, tensile strength, hardness, heat treatment, material properties, machinability and price per kg in india. Super duplex s32760 plates, super duplex steel uns s32750. The main difference is that super duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance than standard duplex grades. It finds applications due to both excellent corrosion resistance and high strength. Uns s32750 is a duplex stainless steel especially designed for service in aggressive chloridecontaining environments. This composition helps in excellent corrosion resistance, designed for acid leach mining applications and other industries where sulfuric acid environments. Uns s32760 super duplex stainless steel smiths metal.
Uns s32760 super duplex stainless steel for wet fgd. Alloy 32760 is a super duplex stainless steel supplied in the hot worked and solution annealed condition. The variation in performance seemed intermittent and adhoc. This super duplex grade contains 25% chromium and 7% nickel in addition to a small percentage of copper to enhance its general corrosion resistance. Our stock of super duplex 32760 can be supplied in sheet, plate, or bar forms, cut to specific requirements and comes with the jain steels metal quality certification. In order to further ensure good corrosion resistance, all stock is purchased with a guaranteed minimum pren of 40.
Apart from argon, a mixture of argon with 2 vol% nitrogen was used in both plasma and. It features high resistance to pitting corrosion and chloriderich environments. N4507 superduplex 4507 f61 uns s32550 super duplexduplex stainless steel superduplex stainless steel pren 40 featuring mechanical strength, corrosion resistance and toughness. Super duplex stainless steels, such as s32760, are often used in higher chloride environments as an upgrade over 2205. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. The bars are having high tensile strength, ruggedly constructed, pittingoxidation resistance, flexibility, durability, dimensional accuracy, fine surface finishes, and stress corrosion cracking resistance. Stainless steel grade f55 has excellent corrosion resistance to a wide range of areas, especially resistance to pitting and crevice corrosion in seawater and other chloride containing environments, with critical pitting temperature that is more than 50c 122f. F55 this specification covers forged low alloy and stainless steel piping components for use in pressure systems. The history and properties of z100 superduplex stainless steel are discussed. Pdf nowadays superduplex stainless is an important material for the oil and gas industries, especially for offshore production. Material to uns s32760 and the other specifications listed below is described as a super duplex stainless steel with a microstructure of 50. Super duplex uns s32760 contains 25% chromium, 4% molybdenum, and 7% nickel with addition of copper and tungsten. Super duplex 2207 plates alloy 2207 plates is characterized by very good chloride corrosion resistance, combined with very high mechanical strength.
Exstock plate in stainless steel, duplex, superduplex, super austenitic in commercial dimensions or cut to size by waterjet, plasma or laser. This high molybdenum, chromium and nitrogen content causes high resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507. Super duplex steel uns s32750 sheets manufacturer, super duplex steel uns s32760 plates, super duplex s32760 perforated sheets, super duplex steel plates supplier in india. Jun 05, 2015 jain steels corporation top suppliers of super duplex uns s32760 pipe fittings in delhi as well as india. As the market grows and customers become even more aware of the bene ts of duplex, sandvik is ideally placed to ful ll the growing.
Pdf development of uns s 32760 superduplex stainless steel. Super duplex falls under the duplex stainless steel grouping. The present investigation concerns plasmakeyhole welding of uns s32760 super duplex stainless steel. Each of them has their own composition and specific mechanical properties as a result. Desenvolvimento do aco inoxidavel superduplex uns s 32760 produzido em. This is a duplex alloy stainless steel designed to feature high strength, resistance to pitting, stress corrosion cracking, erosion corrosion and corrosion fatigue, crevice corrosion and strong weldability. All across the globe, this grade of pipes have got greater popularity because of various good attributes it holds. Duplex stainless steels are virtually immune to stress corrosion cracking the achilles heel of common austenitic stainless steels and are highly resistant to pitting and crevice corrosion. Super duplex pipetube manufacturers in india, super duplex tubes. We, at amco metals, develop and sustain quality and advancement and direct them in our items through ceaseless endeavors and quality control.
Material to uns s32760 is described as a super duplex stainless steel with a microstructure of 50. To provide a zeron 100 bar products with increased tensile properties the zeron 100 fg. Super duplex stainless steel uns s32750 uns s32760. Super duplex s32750 and super duplex s32760 has 25% chromium 25cr duplex, 4% molybdenum, and 7% nickel also. Uns s32760 superduplex stainless steel superduplex stainless steel with a microstructure of 50.
The standard duplex s31803 composition has over the years been refined by many steel suppliers, and the resulting restricted composition range was endorsed as uns s32205 in 1996. Apr 09, 2009 in the chemical composition table, other elements include n and cu. Introduction chemical composition mechanical properties other designations applications. Brown mcfarlane holds an extensive stock of super duplex stainless steel plate and is one of the few companies to keep both s32750 1. There is a lot of marketing activity surrounding these grades. Zeron 100, super duplex stainless steel, uns s32760 mega mex. Astm a790 uns s32750, super duplex sa 790 uns s32750. Samples were cut from the ingot in the transversal direction, in order to obtain 10. This is a super duplex grade with a ferriticaustenitic microstructure. Properties of s32760 include toughness, high strength, corrosion resistance in a large number of organic and inorganic acids. It is believed that the problem stems from the fact that within the uns composition and astm processing limits for s32760, a wide range of properties are possible. This is a duplex alloy stainless steel tube designed to feature high strength, resistance to pitting, stress corrosion cracking, erosion corrosion and corrosion fatigue, crevice corrosion and strong weldability. It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength. Possessing these characteristics, it is not surprising to find the majority, but by no means all, of applications to be seawater related.
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