Type e385 electrodes also may be used to join type 317l material where improved corrosion resistance in specific media is needed. Workability the toughness and ductility of the al6xn alloy provide for relative. Ss 904l pipe suppliers ss 904l seamless pipe exporter. The welding consumables for 904l are 20 25 cul covered electrode and 20 25 cul wire. The global leader in specialty metals 904l the data and information in this printed matter are believed to be reliable. Astm a276a276m type 904l chromium nickel molybdenum stainless steel astm a276 is a standard material specification for low carbon chromium nickel molybdenum stainless steel alloy 904l stainless steel bars, rods and solid profiles, used for pressure vessels and general applications. Hpi904 reliable and affordable line the harris products group. Austenitic stainless steels asm international the materials. Its high alloying content also gives it greater resistance to. Workpiece material groups wmg are used to support easy and reliable selection of the. The results showed that the clad plate had a good compound effect, and the tensile, bending, shear and impact properties of the base material and welding joint.
Sandvik 2rk65 904l is a highalloy austenitic stainless steel intended for use. Nickel based alloys are characterized by high toughness, and good resistance to oxidation and corrosion. 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. The ss 904l steel sheets that we offer to our clients are manufactured using high quality materials. Astm b625 type 904l stainless steel plate, uns n08904 1. 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. It has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. Compared with 316l, ss904l has lower carbon c content, higher chromium cr content, and approximatively twice the nickel ni and molybdenum mo content of 316l, which makes it have higher high temperature oxidation resistance, pitting resistance, and. This data sheet gives you more detailed information about the chemical and mechanical properties and is available as a pdf download.
Feb 17, 2015 indiscriminant substitution of materials in a set of pnumbers or group numbers may lead to problems or potentially failures. The material is used for watch cases and bracelets where an excellent corrision resistance is needed. Sandvik is an engineering group in materials technology, metalcutting, and. C a352lc1 a352lcb a352lcc low temperature alloy steel. Ss904l aisi 904l stainless steel uns n08904 material.
Astm sae aisi 904l stainless steel uns n08904 aisi 904l stainless steel uns n08904 is a high alloy austenitic stainless steel. Al 904l alloy uns designation n08904 data shown are typical, and should not be construed as maximum or minimum values for specification or for final design. Alloy 904l uns n08904 is a super austenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments. Steel is unquestionably the dominating industrial constructional material. Stainless steel 904l has medium corrosion resistance properties such as oxidation resistance. High performance stainless steels nickel institute. If the hot forming is discontinued at a temperature above 1100c and the material is quenched directly thereafter the material may be used without subsequent heat treatment. Manual on protective linings for flue gas desulphurization systems, special technica. Technical information on stainless steel alloy 904l uns n08904 werkstoff nr.
Stainless steel 904l pipe supplier, manufacturer in mumbai, india. Based on alloy content for materials in all the other groups. The wall thickness of a vessel can sometimes be sig nificantly reduced with the use of a higher strength mater ial, such as al6xn alloy. 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. The table is based on the wrought ie long products stainless steel bars etc, flat products stainless steel plates etc steel numbers published in en 10088 and related standards. Grade 904l is slightly harder at higher temperatures than austenitic standard grades. Engineering assessment is necessary prior to a change in materials. High performance austenitic welded stainless tubular products. However, this material is not intended as a substitute for competent professional engineering assistance which is a requisite to any specific application. Astm a240a240m type 904l chromium nickel molybdenum stainless steel astm a240 is a standard material specification for low carbon chromium nickel molybdenum stainless steel alloy 904l sheets, plates and strips for pressure vessels and general applications. In comparison to 316l, its molybdenum addition gives it. Ss 904l pipe, 904l stainless steel pipe suppliers, 904l stainless steel tube suppliers. Very good resistance to attack in acidic environments, e. Download the alloy 904l specification document pdf general properties alloy 904l uns n08904 is a superaustenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments.
Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. These sheets and plates are available in different dimensions and material to ensure wider choice to our clients. Austenitic stainless steel grades comparison chart. The alloy is produced to low carbon levels for use in the welded condition as in welded vessels and other large and complex fabrications. Alloy 904l uns n08904 is a low carbon high alloy austenitic stainless steel with excellent formability and weldability. Very good resistance to pitting in neutral chloridebearing.
The grade is intended for use under severe corrosive conditions. The specification also takes into consideration steel plate, 904l ss sheet, as well as strips, which have been designed for pressure vessels and for general applications. Possible alternative grades grade why it might be chosen instead of 904l. Alloy 904l is a more highly alloyed austenitic stainless steel, based upon 20% chromium and 25% nickel content.
The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. Every product is built to your specifications, using your prints if necessary. Corrosion behavior of 904l austenitic stainless steel in. The material presented in this reference book has been prepared. En iso 156141, may approve the steels in the same sub group or all the lower sub groups in the main group, depending on the suffix in en iso 156141 table 3. Ultra 904l was originally developed for handling sulfuric. The addition of molybdenum and nitrogen implies more powerful processing equipment may be necessary when compared with the standard 304304l grades. It resists chloride based stress corrosion cracking and acidic corrosion. If exact equivalents are needed original specifications must be consulted. The addition of copper to this grade gives it greatly improved resistance to strong. Grade 904l stainless steel is a nonstabilized austenitic stainless steel with low carbon content. Boltport uses 904l sheets, plates or strips to astm.
If you are planning to buy 904l stainless steel, 904l bar, 904lpipe, 904l sheet, 904l fittings, 904l flange ect, please feel free to contact bozhong group, equipped with productive factory, we. We supply a vast range in various forms of stainless, aluminium and mild steel. Inconel is a family of austenitic nickelchromiumbased superalloys while stainless steel is an alloy of iron with a minimum of 10. Alloys such as silicon and copper are added for resistance to speci. Pdf study on the microstructures and properties of 904l super. Material group common name material type forging spec uns casting spec. This data sheet gives you more detailed information about the chemical and mechanical properties and is available as a pdf. Ur 904l alloy is particularly used in sulphuric and phosphoric acids applications. In these hot concentrated caustic solutions, the corrosion resistance is mainly determined by the nickel content of the material. Introduction hydro uoric acid hf is an extremely corrosive acid. There is no risk of intercrystalline corrosion on cooling or welding due to the low carbon content. Ultra range 904l alloy 825 outokumpu stainless steel. Al6xn alloy is significantly less costly than most nickelbase alloys. In thesehotconcentrated caustic solutions, the corrosion resistance is mainly determined by the nickel content of the material.
Ultra 725ln is a type 310 material high chrome and high nickel that has been developed and optimized specifically for urea applications, which demand extremely high corrosion resistance. Ss uns n08904 washer, stainless steel 904l nylon insert nut, 904l ss double ended stud, din 1. High performance stainless steels stainless steel world. Hpi904 reliable and affordable line harris products group. Difference between inconel and stainless steel inconel. The steel is also resistant to stress corrosion cracking and crevice corrosion. Al6xn possesses approximately 1015% greater strength than 904l and is also asme approved up to 800f, whereas 904l is approved up to 700f.
No application carbon steel cs cmnfe a105n k03504 a216wcb c22. Provided in the form of long and flat products, it is used mainly in the chemical, energy and petrochemical industries, showing resistance to various concentrations at high temperatures of. This group includes 316l, 317l, 904l, and many proprietary. Excellent corrosion resistance to sulfuric and phosphoric conditions. Cu solid tig and mig wire matching alloy 904l product description solid wire for tig and mig. Mar 07, 2016 industrial nomenclature or the recommended grade for alloy 904 is. The right textile of 904 stainless material makes a vast difference in those diy projects, clothing, accessories, or furnishing you want to venture in.
Model material inlet configuration outlet pressure inlet connection outlet configuration options gas type hpi 904l nickelplated brass right r 0 2 bar 0 29 psig 029 14 fnpt 000 14 fnpt a he leak cert. High resistance to localized corrosion such as pitting and crevice corrosion, as well as to stresscorrosion. It has excellent stability against pitting corrosion, stress corrosion and intergranular corrosion. The duplex grades are often selected where strength is advantageous. The table is intended to relate former bs, en, german and swedish grade designations to the current en steel numbers, aisi grades and uns numbers.
Stainless steels for extremely corrosive environments notz group. General properties allegheny ludlum al 904l alloy uns n08904 is an austenitic stainless steel alloy. Ultra 725ln is a type 310 material high chrome and high nickel that has. Ati 904l galvanic compatibility the ati 904l alloy may influence corrosion when galvanically coupled to less corrosion resistant materials in relatively high conductivity waters such as seawater. Piyush steel offers clients the first class reliable piping products with the highest degree of technical skill and commercial services.
Uns n08367 materials contain 6% molybdenum which has increased resistance to pitting and crevice corrosion are more commonly known by their trade names maxcore 6mo and ultra6xn. If you are planning to buy 904l stainless steel, 904l bar, 904lpipe, 904l sheet, 904l fittings, 904l flange ect, please feel free to contact bozhong group, equipped with productive factory, we are always at your service. Grade 904l is a nonstabilised low carbon high alloy austenitic stainless steel. Since our inception, elgin fastener group has met every challenge of providing quality, timely, costeffective solutions for specialty fastener applications.
Stainless steel 904l fasteners, ss 904l nuts, stainless steel. Welding alloy 904l can be readily welded by most standard processes. Chromium, molybdenum, nickel, and nitrogen alloys when corrosion resistance is the main objective. This group includes 316l, 317l, 904l, and many proprietary grades. It has similar general pitting resistance to ultra 904l. Material group common name materialtype forging spec uns casting spec. This high alloy stainless steel is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. A comparison of the asme data given in table 3, shows the al6xn alloy.
Machining the cold work hardening rate of alloy 904l makes it less machinable than 410 and 304 stainless steels. Further information may be obtained from the address opposite. Base metal grouping for welding procedure and performance. Austenitic plate materials have a homogeneous austenitic structure with an even. The combination of high chromium and nickel content, coupled with additions of molybdenum and. The 904l grade employs very low carbon levels to produce a. Stainless steels for extremely corrosive environments. Below are the technical specifications of the 904l bar stock we have available to meet your needs. Alloying additions to the base nickel content creates grades that vary in the relative range of the these characteristics, which imparting good mechanical strength and high temperature properties. Practical guidelines for the fabrication of austenitic stainless steels. Data on any particular piece of material may vary from those shown herein. Allegheny ludlum al 904 l alloy uns n08904 is an austenitic stainless steel alloy designed for a middles to high level of corrosion resistance. Ultra 725ln is a type 310 material high chrome and high nickel that has been developed and optimized specifically for urea production, which demand extremely high corrosion resistance. The inspiration came from french deep sea diving company comex, who used this steel in their diving.
In such a case, the ati 904l alloy, the noble metal, will cause galvanic corrosion of the less noble material. Uns no8904, commonly known as 904l stainless steel, is a low carbon austenitic nickelchromium stainless steel with additions of molybdenum and copper. The superaustenitic steels classed with the uns n08367 is one material widely used in applications where chloride induced corrosion is problematic. Each project requires its own unique, stretchy, and soft 904 stainless material. Dec 10, 2020 sandvik 2rk65 904l is a highalloy austenitic stainless steel intended for use under severe corrosion conditions within the process industry. It is a suitable austenitic stainless steel to be used in the prevention of hot seawater corrosion and chloride based attack. E385 electrodes also can be used for joining type 904l base metal to other grades of stainless.
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