Ati 904l alloy uns n08904 is an austenitic stainless steel. Otherwise its a difficult question because its not 100% clear that nickel leaches out of stainless steel. The material presented in this reference book has been prepared. Stainless steels austenitic stainless steels include the 200 and 300 series of which type 304 is the most common. Careful control of carbon, silicon, manganese and molybdenum contents to give resistance to microfissuring. Lorem ipsum is simply dummy text of the printing and typesetting industry. It has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. Ferritic stainless steels are nonhardenable fecr alloys. Nov 07, 2001 904l is a low carbon, high alloy austenitic stainless steel. The grade is intended for use under severe corrosion conditions within the process industry.
Stainless steel grade 904l uns n08904 material science. Grade 904l stainless steel is one of many stainless steel grades that can be purchased at tampa bay steel. Ati allegheny ludlum stainless steel al 904l alloy uns n08904. Triton alloy inc is a leading stockist and supplier of stainless steel 904l plates in mumbai, india. Comparable to austenitics in corrosion resistance with improved cscc. Inconel is a family of austenitic nickelchromiumbased superalloys while stainless steel is an alloy of iron with a minimum of 10. Type e385 electrodes also may be used to join type 317l material where improved corrosion resistance in specific media is needed. Types 405, 409, 430, 422 and 446 are representative of this group. Engineering assessment is necessary prior to a change in materials. Material group common name material type forging spec uns casting spec. High performance stainless steels nickel institute. Indiscriminant substitution of materials in a set of pnumbers or group numbers may lead to problems or potentially failures. Sub group number group number examples of steel designation grade reference standard 10025 2 10025 3 10025 4 10028 2 3 10208 1 10208 2. Lorem ipsum has been the industrys standard dummy text ever since the 1500s, when an unknown printer took a galley of.
Produced to low carbon levels for use in the welded condition. Very good resistance to pitting corrosion, stress corrosion cracking and a much better resistance to crevice corrosion than steels of alloy 304l. Sandvik is an engineering group in materials technology, metalcutting, and mining and. Al6xn possesses approximately 1015% greater strength than 904l and is also asme approved up to 800f, whereas 904l is approved up to 700f. Ostp is a jointventure between tubinoxia and outokumpu group. High resistance to localized corrosion such as pitting and crevice corrosion, as well as to stresscorrosion. E385 electrodes also can be used for joining type 904l base metal to other grades of stainless. Grouping system of steel according to tr iso 15608.
Alloy 904l is an austenitic stainless steel intended for use under severe corrosion conditions, with a very good resistance to attacks in acidic environment, as sulphuric, phosphoric and acetic acid. Ati 904l alloy is an austenitic stainless steel designed for a middle to high level of corrosion resistance. Thanks to its unique properties such as durability, lowmaintenance and resistance to corrosion, stainless steel is not only the strongest, but also the most economically sustainable choice. Stainless steel is an ideal material to create lasting solutions in demanding applications. Stainless steel 904l products suppliers in mumbai, india. Ss 904l supplier, buy ss 904l material, ss 904l products, check ss 904l price in india, 904l material stockist in india. Ultra 904l was originally developed for handling sulfuric. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid. Sae 904l stainless steel wikimili, the free encyclopedia. We work with credibility and expertise to exceed the demands of customers. Machining the cold work hardening rate of alloy 904l makes it less machinable than 410 and 304 stainless steels.
Allegheny ludlum al 904 l alloy uns n08904 is an austenitic stainless steel alloy designed for a middles to high level of corrosion resistance. Ultramet 904l rutile mma electrode for welding 904l product description mma electrode formerly 21. High chromium and molybdenum contents provide excellent resistance to pitting and crevice corrosion. Copper is added to ss 904l, so as to improve its resistance to sulphuric acid and other types of strong reducing acids.
Sandvik 2rk65 904l stainless steel sandvik materials. Key products outokumpu name typical applications product forms ultra 904l a highnickel and molybdenum austenitic stainless steel with very high corrosion resistance. Duplex filler metal control of ferrite in haz 904l type. Our challenge is to meet the needs of the customer and to exceed their expectations. Check ss 904l chemical composition, ss 904l weight calculator, ss 904l melting point, 904l equivalent material, ss 904l heat treatment. Weld procedure software can eliminate p number research time.
The alloy is produced to low carbon levels for use in the welded condition as in welded vessels and other large and complex fabrications. Ss 904l tube fittings astm b366 uns n08904 manufacturer supplier. Al6xn is utilized for its greatly improved pitting and crevice resistance in chlorides compared to 316316l and 904l stainless steels. It has excellent formability, weldability and toughness. Ss 904l tube fittings have a huge variety of application in the instrumentation and caliberation industry. The primary alloying additions are chromium and nickel. Oct 15, 2019 sae 904l stainless steel last updated october 15, 2019. Increased levels of chromium, molybdenum, and the addition of nitrogen are responsible for. The l in 904l stands for low carbon, specifically, that carbon added to the alloy represents. In comparison to 316l, its molybdenum addition gives it superior resistance to localized attack pitting and crevice corrosion by chlorides and greater resistance reducing acids and in particular its copper addition gives it useful. How to weld type 2205 code plus two duplex stainless steel outokumpu stainless material description 2205 is a duplex austeniticferritic stainless steel that combines many of the best properties of austenitic and ferritic stainless steels. We are leading welding 904l material manufacturer and exporter in india. Excellent corrosion resistance to sulfuric and phosphoric conditions. Ss 904l tube fittings astm b366 uns n08904 manufacturer.
Stainless steels for extremely corrosive environments. Sandvik 2rk65, also known as 2rk65, is a highalloy austenitic stainless steel of 904l type. Ped certified 904l stainless fasteners are manufactured in metric and imperial sizes. To reduce the number of welding and brazing procedure qualifications required base metals have been assigned pnumbers by the asme bpvc. Cddr dismantling, demolition, or removal of improvements. Standard specification for forged or rolled alloysteel pipe flanges,forged fittings and valves and parts for hightemperature service. When a base metal with a uns number designation is assigned a pnumber, then a base metal listed in a different asme material specification with the. Sae 904l stainless steel last updated october 15, 2019. The ultra range contains 8 stainless steel products meant for extremely corrosive environments pre of more than 27. Astm a312 tp 904l stainless steel pipe suppliers, sb 677. Sandvik 2rk65 904l is a highalloy austenitic stainless steel intended for use under severe corrosion conditions within the process industry. Certainly titanium is the safest bet because it contains no nickel. Ferrous metals which have specified impact test requirements have been assigned group numbers within pnumbers.
R with a special rutile flux on low carbon, high purity austenitic stainless steel core wire. Corrosion resistance in general welding and heat treatment, there will not be carbide precipitation because of the carbon content is very low 0. A wide variety of 904 stainless material options are available to you, such as pe. Designed to aid the selection of the most appropriate consumables and methods for welding stainless steels, it is hoped that the avesta welding manual reflects this position. There are 5,109 suppliers who sells 904 stainless material on, mainly located in asia. How to weld type 2205 code plus two duplex stainless steel. Technical information on stainless steel alloys 316316l uns s31600 uns s31603 werkstoff nr. Lorem ipsum has been the industrys standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. B40 pg 2 of 3 ultramet 904l rutile mma electrode for welding 904l product description mma electrode formerly 21. Asme weld number tables are discussed in relation to base metals, filler metals and their positioning in the number tables. Very good resistance to attack in acidic environments, e. Avesta welding manual preface avesta welding ab is part of a group that is at the forefront of stainless steel technology. Sandvik 2rk65 is available in a range of product forms, such as tube and pipe, billets, blooms and ingots. D information technology and telecommunications services.
The welding consumables for 904l are 20 25 cul covered electrode and 20 25 cul wire. For example, a welder who qualifies on a p1 to the p1 material is also qualified to weld p1. Very good resistance to pitting in neutral chloridebearing. No application carbon steel cs cmnfe a105n k03504 a216wcb c22. Astm a312 tp 904l stainless steel pipe suppliers, sb 677 uns. West yorkshire steel are suppliers and stockholders of 904l stainless steel bar and plate. Astm b677 uns n08904, astm b673 uns n08904, astm b674 uns n08904 904l tubes. Torqbolt is a renowned 904l fasteners manufacturer in india. Difference between inconel and stainless steel inconel. This is an austenitic stainless steel, which is nonstabilized. Ati allegheny ludlum stainless steel al 904l alloy uns. What is the family lean duplex ss lower nickel and no molybdenum 2101, 2102, 2202, 2304 duplex ss higher nickel and molybdenum 2205, 2003, 2404 super duplex 25chromium and higher nickel and molybdenum plus 2507, 255 and z100 hyper duplex more cr, ni, mo and n 2707. Al6xn alloy advantages the 6% moly alloys are utilized for their greatly improved pitting and crevice resistance in chlorides compared to 316316l and 904l stainless steels.
We produce our high quality products in our own mills, and our group of specialized companies allows us to provide customers with technical expertise and support. Steel is unquestionably the dominating industrial constructional material. It has good resistance to reducing acids as well as chloride attack. In comparison to 316l, its molybdenum addition gives it superior resistance to localized attack pitting and crevice corrosion by chlorides and greater resistance reducing acids and in particular its copper addition gives it useful corrosion resistance to all concentrations of sulphuric acid. This means that 904l has very good welding properties. Actual data on any particular product or material may vary from those shown. Manual on protective linings for flue gas desulphurization systems, special. It stands up extremely well to chlorides in the environment for low pitting and crevice corrosion, as well as stress corrosion cracking.
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