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904L Stainless Steel Flanges | ASTM A182 904L Flanges | 904L Stainless Steel Neck Weld Flanges | 904L Stainless Steel Blind Flanges | 904L Stainless Steel Lap Joint Flanges | 904L Stainless Steel Reducing Flanges | 904L Stainless Steel Orifice Flanges
Oshwin Overseas is a leading ASTM A182 904l (904L Flanges) Suppliers and Specialized Stainless Steel Flanges Manufacturers with 904l Flanges and ASME B16 / ANSI B16 Flanges / ANSI B 16.5 Flange Standard (EN 1092-1 / BS4504). Due to good chemical properties of Stainless Steel Flange (1.4539), over 316L, ASTM A182 (F904L) Stainless Steel Pipe Flanges are most used in Chemical Industry, Pharmaceutical Industry, Marine Application, Paper and Allied Industries , Gas Washing, and sulfuric acid production.
ASTM A182 – ANSI B16.5 (F904L) Flange Specification, 904l SS
Dimensions: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Standards: ASTM A182, ASME B16 / ASME B16.5 / ASME B16.47 / ASME B16.48 / ASME B16.36 Flanges, ANSI B16 / ANSI B16.5 Flanges, DIN 2633 Flanges / DIN 2635 Flange, EN 1092-1 Flanges, BS4504 Flanges etc.
Specifications: ASTM A182 / ASME SA182
Standard Flange Sizes: 1/8″ to 36″
Class: 150Class, 300Class, 600Class, 900Class, 1500Class, 2500Class, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Grade: Stainless Steel 904L | UNS N08904 | WNR 1.4539 | 2RK65 Stainless Steel | RVS 904L | Uranus B6 | SEW 400 | vdtüv 421 | сталь 904L | acier 904L.
904L Flanges supplied by Oshwin Overseas complies with NACE MR0175/ISO 15156 Standards.
UNS N08904 (904L Flange) is super corrosion resistance as 1.4539 Stainless Steel elevated alloy configuration offers good corrosion and resistance to pitting in a widespread range of atmospheres. 904L Stainless Steel flanges with ASTM A182 (ASME B16) accessible to our customers and are available in different range of diameters wall thinness and sizes. 904L Flanges have various standards ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc. ASME B16 Flanges can be available in ANSI B16.5, ANSI B16.47, Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
As SS 904L is a high-alloy austenitic stainless steel with low carbon content. 904L Flanges (ASTM A182) is intended for use under severe corrosive conditions. 904L Stainless Steel Flanges has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. 1.4539 Stainless Steel Flange is standardized and approved for pressure vessel use in several countries.
904L Stainless Steel Flanges Types
904L Stainless Steel Weld Neck Reducing Flanges
904L Stainless Steel Flat Face Weld Neck Flanges
904L Stainless Steel Neck Weld Flanges
904L Stainless Steel Weld Neck Flanges Raised Face
904L Stainless Steel Weld Neck Flanges
904L Stainless Steel Raised Face Weld Neck Flanges
904L Stainless Steel Lapped Flanges
904L Stainless Steel Raised Face Flanges
904L Stainless Steel Tongue And Groove Flanges
904L Stainless Steel Slip Flanges
904L Stainless Steel Reducing Weld Neck Flanges
904L Stainless Steel Stainless Steel Threaded Flanges
904L Stainless Steel Flanges
904L Stainless Steel Hub Blind Flanges
904L Stainless Steel Blind Flanges
904L Stainless Steel Flanges Slip-On
904L Stainless Steel Slip-On Raised Face Flanges
904L Stainless Steel Slip-On Reducing Flanges
904L Stainless Steel Socket Weld Flanges
904L Stainless Steel Lap Joint Flanges
904L Stainless Steel Threaded Flanges
904L Stainless Steel Flat Face Flanges
904L Stainless Steel Spectacle Flanges
904L Stainless Steel Orifice Flanges
904L Stainless Steel Long Neck Flangess
904L Stainless Steel Reducing Flanges
904l Stainless Steel Flat Face Flanges/ FF Flange – FF Flanges are used when the counter-flanges are flat face. Flat Face Flange mainly used in connection to cast iron equipment, valves, and specialties. This flat face flange has a gasket surface in the same plane as the bolting circle face. FF Flange also comes in Slip On Flat Face Flange / SOFF Flange, Flat Face Weld Neck Flange / FFWN Flange.
904l Stainless Steel Raised Face Flanges / RF Flanges – 904L Pipe Flange are the most commonly used flanges. The raised face thickness for 150Class (ANSI 150 RF Flange Dimensions) and 300Class (ANSI 300 Flange Dimensions) are included in the specified flange thickness and for higher rating they are not included in the flange thickness. Raised Face Slip On Flange / Slip On Raised Face Flange / Flange SORF / SORF Flange, Raised Face Weld Neck Flange/ RFWN Flange, Weld Neck Raised Face Flange / WNRF Flange, Raised Face Long Weld Neck Flange, SWRF Flange / Socket Weld Raised Face, BLRF Flange / Blind Raised Face Flange, LWNRF Flange / Long Weld Neck Raised Face Flange.
904l Stainless Steel Male-Female Face Flanges – These pipe flanges are better version of Raised face flanges.
904l Stainless Steel Tongue And Groove Flanges – These pipe flanges are most reliable type of flange joint but are costlier than the other type of flanges.
904l Stainless Steel Reducing Flanges – Reducing flanges are designed for when there is a change in the pipe size. The predominate flange (dimensions) matching the larger pipe size (NPT) but having a smaller bore matching the smaller pipe size (NPT). These flanges normally come in Blind, Slip-On Reducing Flange, Threaded, Reducing Slip On Flange, Reducing Weld Neck Flange and Weld Neck Reducing Flange. They are available in all pressure classes and provide a good alternative to connecting two different sizes of pipe.
Slip On Flange – Slip-on flanges are fitted over the pipe and then fillet welded. Slip-on flanges are easy to use in fabricated applications.
Weld Neck Flange – Weld neck flanges are circumferentially welded at the neck where the integrity of the butt welded area can be easily examined by radiography. The weld neck is therefore, durable in critical applications. WN Flange also includes Long Weld Neck Flange (LWNF).
904l Stainless Steel Socket Weld Flanges – Socket weld flanges are counter-bored to accept the pipe before being fillet welded. The bore of the pipe and flange are both the same to provide good flow characteristics.
Lap Joint Flange / Lapped Flange – Lap Joint Flanges are always used with either a stub end which is butt welded to the pipe with the flange loose behind it. A lap joint is used in low-pressure applications because it is easily assembled and aligned. To reduce costs, these flanges are supplied without a hub.
904l Stainless Steel Blind Flanges – Stainless Steel Blind Flange is round plate which has all of the relevant bolt holes but no center hole, and because of this feature, this flange is used to close off the ends of piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
904l Stainless Steel Spectacle Blind Flanges – A spec blind is a combination of a ring spacer and single blind. They are usually permanently installed in a piping system and rotated as needed. Oshwin Overseas is one of the leading Spectacle Blind Flange Manufacturers.
904l Stainless Steel Threaded Flanges – Stainless Steel Threaded Flange is similar to a slip-on flange, but has internal threads. It is normally used for low pressure and not used where temperature or stress is very high. This flange has a raised face.
Orifice Flanges – Orifice Flanges are used with orifice meters for the purpose of measuring the flow rate of either liquids or gasses in the respective pipeline. Pairs of pressure “Tappings”, mostly on 2 sides, directly opposite each other, are machined into the orifice flange.
904l Stainless Steel Flanges Corrosion Resistance
904L gives good resistance to both organic and inorganic acids.The addition of copper in 904L grade gives excellent corrosion resistance against nickel stainless steels, to sulphuric, phosphoric, acetic acids, hydrochloric acids, etc. It also gives a high resistance to pitting in chloride solutions, an excellent resistance to both crevice and stress corrosion cracking.The 904L is much better than austenitic stainless steels due to the higher alloying of nickel and molybdenum.The high percentage of chromium content in 904L gives and maintains a passive film which protects the material in many corrosive environments.
904l Stainless Steel Flanges Cold Forming
Cold forming 904L can be done easily. The composition of molybdenum and nitrogen implies more powerful processing equipment may be needed.Most of the time more common methods like cooling with air or water etc are used.
904l Stainless Steel Flanges Hot Forming
Hot and heat forming should be done after uniform heating.Complete annealing should be done before any hot forming in order to retain maximum ductility and corrosion resistance property. It is very important that the whole process should be done above 1100°C.
904l Stainless Steel Flanges Machining
The machining of 904L requires proper care to achieve the expected result. The cutting speed should be slow and proper care should be taken while doing so.
904l Stainless Steel Flanges Welding
The 904L material should be allowed to cool in between, preferably to below 150°C temperatures. To obtain good welding properties welded condition, filler material shall be used.Because of high thermal expansion, welding must be carefully planned in advance to ensure that distortion of the welded joint can be kept under control.
904l Stainless Steel Flanges Heat Treatment
The heat treatment should be accompanied by cooling in water or air immediately. This treatment should be applied for both solution annealing and stress relieving from the 904L material.
904L Stainless Steel Flanges Price
- US $15000 ~ $17000 – Per Ton
904L Stainless Steel Flanges Specification
|Material Specfication||Form||Raw Material||Specification||Dimension Standard|
|Flanges - 904L Stainless Steel||Orifice flange,lap joint flange,threaded flange,socket weld flange,weld neck flange,blind flange|
,slip on flange,long weld neck flange,plate flange,large diameter flange,spectacle blind,square flange
|ASTM A182 / B366 is made from 904L Stainless Steel Round Bar A276/479/B564||ASTM A182 / ASME A182 F904L|
ASTM SB366 / ASME SB366 UNS N08904
|ASME / AISI B 16.5 / B 16.47|
|Flat Face (FF) Flanges|
|Raised Face (RF) Flanges|
|Male-Female (M/F) Face Flanges|
|Tongue-Groove (T/G) Face Flanges|
|Ring Type Joint (RTJ) Flanges|
904L Stainless Steel Flanges Dimensions
|Dimensional Standard||Size Range||Rating|
|MSS-SP-44||12” to 60”||Class 150 to 900 Lbs|
|ASME / ANSI / B16.5||½” to 24”||Class 150 to 2500 Lbs|
|DIN||DN10 to DN3600||PN6 to PN 160|
|ASME / B16.48 / API 590||½” to 24”||Class 150 to 2500 Lbs|
|ASME / ANSI / B16.36||1” to 24”||Class 300 to 2500 Lbs|
|ASME / B16.47 / API 605||26” to 60”||-|
|BS 3293||26” to 48”||Class 150 to 600 Lbs|
|API 6A||2 1/16” to 30”||2000 Psi to 20000 Psi|
904L Stainless Steel Physical Properties
Mean Co-eff of Thermal Expansion (µm/m/°C)
|Specific Heat 0-100°C|
904L Stainless Steel Flanges Chemical Composition
Oshwin Overseas, 904L Stainless Steel Flanges Suppliers, Manufacturer, Stockist, Distributor, Exporter
Oshwin Overseas are engaged in Exporting, Supplying and Stocking Stainless Steel F904L Flanges. These SS 904L Flanges are uniquely composed in a manner that the distance across of the channel consummately fits the width of the ribs. As a result of its solid association and impervious to consumption, these welding and forged flange pines can withstand great conditions, Like high fluctuation of temperatures. We provide all test certificate along with flanges. We personally believe in providing excellent instead of better.
Get Best Quality 904L Stainless Steel At Best Price From Oshwin Overseas!
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