Fitwel Industries LLP is a one of the well known brand and top leading supplier, exporter and manufacturer of Alloy Steel ASTM A182 F91 Flanges in various sizes and types. The ASTM a182 specification covers both forged or rolled low alloy as well as stainless steel pipe components for use in pressure systems. These SA182 gr f91 flanges are often used in environments, where the temperature settings are almost always elevated. The ASTM a182 specification components include fittings, flanges, valves, and other similar parts that can be constructed up to the specified dimensions or to dimensional standards. The ASTM a182 specification includes several grades of other martensitic, austenitic, Ferritic, Ferritic-austenitic stainless steels and low alloy steels. The selection of these alloys will depend upon design and requirements as well as the end-use of the application. The SA 182 gr f91 is a martensitic stainless steel forged fitting. The additions of Nickel and Molybdenum to the a182 f91 chemical composition gives the alloy excellent ductility at sub-zero temperature environments.
In addition to the maximum hardness allowance of the ASME SA182 gr f91 being limited to 23 HRC max, the NACE MR0175 imposes restrictions with regards to the heat treatment temperature. The a182 f91 material offers excellent weldability and corrosion resistance. Its improved corrosion resistance along with the ability of this martensitic stainless steel grade to withstand high temperature and high pressured environments is the reason why the alloy is extensively used in the manufacture of a182 f91 blind flanges etc. ASTM A182 alloy steel f91 Flanges is extremely ductile, strong, and tough, which makes them durable and long-lasting. Besides these properties, the ASTM a182 f91 offers good oxidation resistance and good resistance to scaling in an aqueous medium. The f91 flanges grade is often used in combination or is mostly matched with the ASTM A335 alloy steel pipes. Also We offer wide range of Alloy Steel ASTM A182 F91 Flanges such as ASTM A182 F91 Slip On Flanges, Alloy Steel F91 Weld Neck Flanges, F91 Alloy Steel Socket Weld Flanges, A182 F91 Alloy Steel Blind Flanges, Alloy Steel F91 Orifice Flanges, A182 Alloy Steel F91 Spectacle Blind Flanges, A182 F91 Screwed / Threaded Flanges, Alloy Steel F91 Reducing Flanges, ASTM A182 F91 Alloy Steel Ring Type Joint Flanges (RTJ) etc.
Specifications : ASTM A182 / ASME SA182
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ to 36″
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Forged and Plate Flanges
| Products | Size | |
| ASTM A182 Alloy Steel F91 Slip-On Flanges | ASTM A182 Alloy Steel F91 Threaded Flanges | Sizes 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 Alloy Steel F91 Weld Neck Flanges | ASTM A182 Alloy Steel F91 Socket Weld Flanges | |
| ASTM A182 Alloy Steel F91 Blind Flanges | ASTM A182 Alloy Steel F91 Reducing Flanges | |
| ASTM A182 Alloy Steel F91 Lap Joint Flanges | ASTM A182 Alloy Steel F91 Plate Flanges | |
| ASTM A182 Alloy Steel F91 Orifice Flanges | ASTM A182 Alloy Steel F91 Forged Flanges | |
| ASTM A182 Alloy Steel F91 Ring Type Joint Flanges | ASTM A182 Alloy Steel F91 Square Flanges | |
Alloy Steel F91 Flange Standards / Types And Pressure Class :
| ASME/ANSI B 16.5 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck Flange, Blind Flange [Series A & B] |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange, Slip on Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A182 F91 | 0.15 | 0.3 - 0.6 | 0.5 | 0.03 | 0.03 | 4 - 6 | 0.044 - 0.65 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A182 F91 | 275 | 485 | 20 |
| Alloy Steel F91 Flanges | Alloy Steel F91 EN 1092-1 Flanges |
| Alloy Steel F91 BS 4504 Flanges | Alloy Steel F91 Forged Flanges |
| Alloy Steel A182 F91 Flanges | Alloy Steel F91 Slip on Flanges |
| Alloy Steel F91 Flat Flange Suppliers | ANSI F91 Alloy Steel Blind Flange |
| Alloy Steel F91 Weld Neck Flanges Dealer | Alloy Steel F91 Socket weld Flanges Exporter |
| Alloy Steel F91 Long Weld Neck Flanges Stockholder | Steel ASTM A182 F91 Threaded Flanges Distributors |
| Alloy Steel ASTM A182 F91 Reducing Flanges | Alloy Steel F91 Ring Type Joint Flanges Manufacturer |
| Alloy Steel A182 F91 Orifice Flange | Alloy Steel 5Cr-1/2Mo Spectacle Blind Flanges |
| Chrome Moly Alloy Steel F91 WNRF Flange | Alloy ASTM A182 F91 SORF Flanges |
| ANSI B16.5 Alloy Steel F91 RTJ Flanges | Alloy Steel F91 Screwed Flanges Stockist |
| ASTM A182 Alloy Steel F91 Lap Joint Flanges | ASME SA182 Alloy Steel F91 BLRF Flange |
| Alloy Steel F91 Raised Face Flanges | ASTM A182 F91 Alloy Steel Nipoflange |
| A182 Alloy Steel F91 Square Flanges | ASME SA182M Alloy Steel F91 SWRF Flange |
| Steel F91 Tongue & Groove Flanges | Chrome Moly Alloy Steel F91 Male & Female Flanges |
| Chrome Moly Alloy Steel F91 DIN Flanges | Alloy Steel F91 ASME B16.5 Flanges |
ASTM A182 F91 Pipe Flanges are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of ASTM A182 F91 Alloy Steel Flanges through a worldwide network of stock-keeping branches. These ASTM A182 F91 Alloy Flange is use in various industries like :
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