SS 904L Supplier | SS 904L Manufacturer | Alloy 904L | UNS N08904 | WNR 1.4539 | AISI 904L
Stainless Steel 904L Products Available at Oshwin Overseas
SS 904L | Stainless Steel 904L | Alloy 904L | UNS N08904 | Steel 904L | AISI 904L | En 1.4539
Stainless Steel 904L Alloy, which is also known as SS 904L, is a non-stabilized austenitic stainless steel high alloy. It is an alloy with low carbon content in its chemical composition and hence a super-austenitic alloy. Alloy 904L contains copper, molybdenum and nickel in its chemical composition which makes the alloy more applicable in various environments. The addition of Copper in high alloy SS 904L helps to improve its resistance towards strong reducing acids like sulfuric acid in both aggressive as well as mild environments. SS 904L alloy is non-magnetic in most environments and offers high welding and forging properties. It exhibits superior hardness feature even in temperatures lower than cryogenic temperatures. The SS 904L alloy is also known for its resistance to stress corrosion cracking and crevice corrosion cracking. It possesses high toughness quality and resistance to pitting and general corrosion. It also exhibits good resistance against warm seawater and chloride attack. Alloy 904L consist of expensive ingredients in its composition, like molybdenum and nickel, hence its overall cost increases significantly. Due to the increased cost, SS 904L is replaced by cost-effective duplex stainless steel 2205 in most of the applications where it is applicable. SS 904L is an austenitic stainless steel with high performance steel specially designed to have excellent resistance towards moderate to high corrosion conditions. SS 904L was initially developed with intent to withstand conditions involving dilute sulfuric acid in their environments. It was exclusively designed for resistance towards corrosion in wide range of process environments. The addition of molybdenum and copper to already high chromium and nickel content in this alloy ensures excellent resistance towards corrosive media. Due to high percentage of nickel and molybdenum SS 904L displays superb resistance towards both mild and aggressive environments, and low carbon content improves its cleanliness and weld strength properties. Oshwin Overseas is recognized as SS 904L Supplier, Manufacturer, Stockist and Dealers. We have huge inventory of all kinds of SS 904L Grade Products such as SS 904L Pipe, SS 904L Tube, SS 904L Flanges, SS 904L Fasteners, SS 904L Bar, SS 904L Pipe Fittings, SS 904L Tube Fittings, 904L SS Forged Fittings, SS 904L Wire Mesh, SS 904L Sheet Plates, SS 904L Wire, SS 904L Plate. We are also trusted as SS 904L Exporter in more then 70+ countries. Oshwin Overseas caters to more them 180+ brands al across the globe.
Other trade names of Stainless Steel 904L Features:
• Acier 904L • Inox 904L • Uranus B-6
• Alloy 904L • WNR 1.4539 • SAE 904L
• 904L Alloy • SS 904L • TP 904L
SS 904L Features:
- Stronger corrosion properties than Type 316L an 317L
- Good resistance to sulphuri acid.
- High resistance to crevice and stress corrosion cracking
- Excellent formability and weldability.
- Good resistance to phosphoric and acetic acids.
- High resistance against corossion.
- Erosion Imperviousness.
SS 904L Applications:
1) Air Pollution Control— scrubbers for coal-fired power plants 2) Chemical Processing—process equipment for the production of sulfuric, phosphoric, inorganic and organic acids and the production of phosphate-based fertilizers 3) Metallurgical Processing— pickling equipment using sulfuric acid 4)Oil and Gas Production— offshore process equipment 5)Pharmaceutical Industry— process equipment 6) Pulp and Paper—processing equipment 7)Seawater and Brackish Water— condensers, heat exchangers and piping systems
SS 904L Properties
Grade 904L stainless steels offer good oxidation resistance. However, the structural stability of this grade collapses at high temperatures, particularly above 400°C.
Grade 904L stainless steels can be solution heat-treated at 1090 to 1175°C, following by rapid cooling. Thermal treatment is suitable for hardening these grades.
Alloy 904L can be readily welded by most standard processes. Pre-heat and post-weld heat treatments for this grade are not required. The corrosion resistance property of 904L stainless steel is impaired in certain environments due to the redistribution of nickel, molybdenum and chromium caused by the solidification of material after welding, although this is less evident in 904L grade. SS 904L electrodes and rods are used for welding grade 904L steels according to AS 1554.6.
Fabrication of Stainless Steel 904L
Machining This grade can be machined using any standard methods, slow speeds and positive feed minimises the alloy’s tendency to work harden and glaze. The cold work hardening rate of 904L Alloy makes it less machinable than 410 and 304 stainless steels. Hot working For Hot working process of 904L a temperature range of 1562–2102°F is recommended .Hot working is followed a solution anneal and quench but 904L stainless steel may be used without subsequent heat treatment if the hot forming is discontinued above 2012°F and the material is quenched directly thereafter. In the event of partial heating or cooling below 2012°F, or if the cooling has been too slow, hot working should always be followed by a solution anneal and quenching. 904L should be solution annealed at 1940–2084°F. Cold working 904L is quite ductile and forms easily. The addition of molybdenum and nitrogen implies more powerful processing equipment may be necessary when compared with the standard 304/304L grades. Hardening This alloy does not respond to heat treatment. It may only be hardened by cold reduction.
SS 904L Chemical Composition:
Graphical Representation of Chemical Composition in SS 904L Alloy
SS 904L Physical properties:
Mean Co-eff of Thermal Expansion (µm/m/°C)
|Specific Heat 0-100°C|
SS 904L Uses:
Our SS 904L products abide to all the international standards and specifications and are put through various rigorous test to meet all the requirements. Oshwin Overseas are SS 904L Supplier of varuious products which not only possess high quality, but are also assured with on time delivery. Our 904L Alloy products are applicable in various industries and applications like,
- Bed Furnaces
- Petroleum and Petrochemical refineries for catalytic recovery systems, flares, recuperators, tube hangers
- Sintering/Cement Plants – burner shields, burners, wind boxes feeding and discharging systems
- Nuclear Components
- Heat Exchange
- Chlorination Equipment
- Oil extractions
- Power Plant
Stainless Steel 904L Industrial Product Range
SS 904L Decorative Pipe SS 904L Sanitary Pipe SS 904L Polish Pipe SS 904L Instrumentation Pipe SS 904L Bright Annealing Pipe ASTM B677 TP904L Pipe ASTM B673 TP904L Pipe ASTM A312 TP904L Pipe ASTM A358 TP904L Pipe
Stainless Steel 904L Pipe SS 904L Pipe AISI 904L Pipe Alloy 904L Pipe 904L Steel Pipe INOX 904L Pipe UNS N08904 Pipe WNR 1.4539 Pipe
SS 904L Decorative Tube SS 904L Sanitary Tube SS 904L Polish Tube SS 904L Instrumentation Tube SS 904L Bright Annealing Tube ASTM B677 TP904L Tube ASTM B674 TP904L Tube ASTM A213 TP904L Tube ASTM A269 TP904L Tubing
Stainless Steel 904L Tube SS 904L Tube AISI 904L Tube Alloy 904L Tube 904L Steel Tube INOX 904L Tube UNS N08904 Tube WNR 1.4539 Tube
Stainless Steel 904L Flanges
Flanges: SS 904L Flanges are used in accordance with Pipes or Tubes. Two or more pipes or tubes are joined or connected together using Flanges. They provide additional strength to joints and helps in maintaining their firm position. 904L Stainless Steel Flanges are further available in various types as mentioned below.
Stainless Steel 904L Flange SS 904L Flange AISI 904L Flange Alloy 904L Flange 904L Steel Flange INOX 904L Flange UNS N08904 Flange WNR 1.4539 Flange
Stainless Steel 904L Fasteners
Fasteners: Fasteners are used to join two or more components together in a non-permanent joint , which can be dismantled whenever needed without damaging the components . Fasteners provide strength and stability to joints. There are different types of Fasteners like, SS904L Bolts, SS904L Nuts, SS904L Screws and SS904L Washers. They all have similar role of creating non-permanent joints. These are further available in sub-parts as mentioned below,
SS 904L Nuts, SS 904L Bolts, SS 904L Screws, SS 904L Washers, SS 904L Studs, SS 904L Anchors, SS 904L Fasteners Nuts, SS 904L Fasteners Bolts, SS 904L Fasteners Screws, SS 904L Fasteners Washers.
SS 904L U-Bolts SS 904L Hex Bolts SS 904L Keps Nuts SS 904L Cap Nuts SS 904L Castle Nuts SS 904L Machine Screws SS 904L Deck Screws SS 904L Tapping Screws SS 904L Ogee Washers SS 904L Lock Washers
Stainless Steel 904L Fasteners SS 904L Fasteners AISI 904L Fasteners Alloy 904L Fasteners 904L Steel Fasteners INOX 904L Fasteners UNS N08904 Fasteners WNR 1.4539 Fasteners SS 904L Timber Bolts SS 904L K Lock Nuts
Stainless Steel 904L Pipe Fittings
Pipe Fittings: SS 904L Pipe Fittings are used in compliment with pipes. The primary role of Pipe Fitting is to change the direction of the flow, adapt to various szes and shapes, change the function and to maintain strong joint between two sides. They not only help in creating a strong joint between two or more components (pipes) but also helps in maintaining stability. These are further available in sub-parts as given below,
Stainless Steel 904L Pipe Fittings SS 904L Pipe Fittings AISI 904L Pipe Fittings Alloy 904L Pipe Fittings 904L Steel Pipe Fittings INOX 904L Pipe Fittings UNS N08904 Pipe Fittings WNR 1.4539 Pipe Fittings ASTM B366 TP 904L Pipe Fittings ASTM A403 TP 904L Pipe Fittings
Stainless Steel 904L Tube Fittings
Tube Fittings: SS 904L Tube Fittings are used in compliment with tubes. They are used to form a air-tight and leak-proof seal between two components (tubes) and they also maintain a varied level of permitted pressure as specified by tubing. 904L Stainless Steel Tube Fittings also helps in making joints stronger and stable. These are further available in sub-parts as given below,
Stainless Steel 904L Tube Fittings SS 904L Tube Fittings AISI 904L Tube Fittings Alloy 904L Tube Fittings 904L Steel Tube Fittings INOX 904L Tube Fittings UNS N08904 Tube Fittings WNR 1.4539 Tube Fittings ASTM B366 TP 904L Tube Fittings ASTM A403 TP 904L Tube Fittings
Stainless Steel 904L Forged Fittings
Forged Fittings: SS 904L Forged Fittings are similar to pipe fittings, with only difference being in the process of forming. 904L Stainless Steel Forged Fittings are formed by forging process or shaping process which requires used of different methods like hammering, putting pressure, thrusting or extruding out, piercing, rolling, bending, fusion welding etc. or by combination of two or more methods. These are further available in sub-parts as given below,
Stainless Steel 904L Forged Fittings SS 904L Forged Fittings AISI 904L Forged Fittings Alloy 904L Forged Fittings 904L Steel Forged Fittings INOX 904L Forged Fittings UNS N08904 Forged Fittings WNR 1.4539 Forged Fittings
Stainless Steel 904L Bar
Bar: SS 904L Bar is a longitudinal and cylindrical bar which is exclusively used in manufacturing of Pipes and Tubings. They are highly applicable in industrial and commercial applications.904L Stainless Steel Bars are further available in multiple shapes and sizes like round, square, hex etc. as given below,
Stainless Steel 904L Bar SS 904L Bar AISI 904L Bar Alloy 904L Bar 904L Steel Bar INOX 904L Bar UNS N08904 Bar WNR 1.4539 Bar ASTM A276 TP 904L Bar ASTM B649 TP 904L Bar
Stainless Steel 904L Plate
Plate: SS 904L Plates are made by putting SS 904L alloy through industrial process of hot and cold rolling, thus forming into thin and flat pieces of plates. This 904L Stainless Steel Plates are further put through various processes to form multiple forms of products like thin plates, chequered plates, diamond plates, shim plates etc. as given below,
SS 904L Hot Rolled Plates SS 904L Strips SS 904L Perforated Sheet SS 904L Brushed Sheet SS 904L Foils SS 904L Polished Sheet SS 904L Coils ASTM B625 TP 904L Plates
Stainless Steel 904L Plate SS 904L Plate AISI 904L Plate Alloy 904L Plate 904L Steel Plate INOX 904L Plate UNS N08904 Plate WNR 1.4539 Plate
Stainless Steel 904L Sheets
Sheet: SS 904L Sheets are made by putting SS 904L alloy through industrial process of hot and cold rolling, thus forming into thin and flat pieces of plates. This 904L Stainless Steel Sheets are further put through various processes to form multiple forms of products like coils, foils, strips, shim sheets, rolled sheets etc. as given below,
SS 904L Sheet SS 904L Plate SS 904L Shim Sheet SS 904L Thin Sheet SS 904L Mirror Finish Sheet SS 904L Flat Plate SS 904L Diamond Plate SS 904L Chequered Plate
SS 904L Hot Rolled Plates SS 904L Strips SS 904L Perforated Sheet SS 904L Brushed Sheet SS 904L Foils SS 904L Polished Sheet SS 904L Coils ASTM B625 TP 904L Sheet
Stainless Steel 904L Sheet SS 904L Sheet AISI 904L Sheet Alloy 904L Sheet 904L Steel Sheet INOX 904L Sheet UNS N08904 Sheet WNR 1.4539 Sheet
Stainless Steel 904L Wire
Wire: SS 904L Wires are made by putting SS 904L alloy through series of rollers to form a thin yet continuous cylindrical strand of alloy. This strand or thread is known as Wire. 904L Stainless Steel Wires are strong yet highly flexible and possess long durability. These are further available in sub-parts as given below,
SS 904L Stainless Steel Twill Dutch Weave SS 904L Stainless Steel Crimped Wire SS 904L Stainless Steel Reverse Dutch Weave SS 904L Stainless Steel Reverse Twill Dutch Weave SS 904L Stainless Steel Three Heddle Weave SS 904L Stainless Steel Five Heddle Weave
SS 904L Plain Weave SS 904L Twill Weave SS 904L Dutch Weave SS 904L Plain Dutch Wire SS 904L Reverse Dutch Wire SS 904L Reverse Twill Dutch Wire SS 904L Cross Twill Weave SS 904L Dutch Twill Weave SS 904L Stainless Steel Wire SS 904L Stainless Steel Wire
Stainless Steel 904L Wire SS 904L Wire AISI 904L Wire Alloy 904L Wire 904L Steel Wire INOX 904L Wire UNS N08904 Wire WNR 1.4539 Wire
Stainless Steel 904L Wire Mesh
Wire Mesh: SS 904L WireMesh are made by putting SS 904L alloy through series of rollers to form a thin yet continuous cylindrical strand of alloy. This strand or thread is known as Wire, which when woven in certain patterns forms a Wire Mesh. 904L Stainless Steel WireMesh are strong yet highly flexible and possess long durability. These are further available in sub-parts as given below,
Stainless Steel 904L Wire Mesh SS 904L Wire Mesh AISI 904L Wire Mesh Alloy 904L Wire Mesh 904L Steel Wire Mesh INOX 904L Wire Mesh UNS N08904 Wire Mesh WNR 1.4539 Wire Mesh
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