ASTM A182 F91 Alloy Steel Flanges Manufacturer and Exporter in India – ASME / ANSI, EN, DIN, AFNOR, AWWA, AS, MSS, SA, UNI, GOST, BS, JIS Standards
Established and recognized supplier in the stainless steel and alloy steel piping industry.
Manufacturer of Alloy Steel Flanges, Forged Flanges including Flat Face (FF), Raised Face (RF), and Ring Type Joint (RTJ) Flanges
Alloy Steel ASTM A182 F91 Flanges
ASTM A182 F91 Flanges are used in alloy steel piping systems where reliable performance is required under elevated temperature and pressure conditions. These flanges are supplied in both standard and customized configurations to suit different piping system designs. Manufactured in accordance with ASTM A182 material specifications, they are suitable for applications that require strong and stable forged alloy steel flange connections.
ASTM A182 F91 Flanges are commonly specified in industries such as petrochemical processing, nuclear power generation, and chemical manufacturing plants. These flanges are used to maintain secure pipe connections and control pressure within pipeline systems. The range includes different flange types such as socket weld flanges that provide strong connections in piping systems. They are also used across sectors including sugar processing, paper manufacturing, gas handling, and oil processing facilities.
ASTM A182 F91 Flanges are manufactured using alloy steel raw materials suitable for high-temperature service environments. These flanges are produced according to ASTM and ASME A182 specifications and are available in common flange types such as weld neck flanges, slip-on flanges, and blind flanges. Standard size ranges generally extend from 1/2" to 36", depending on the piping system requirements.
ANSI B16.5 ASTM A182 F91 Socket Weld Alloy Steel Flanges, A182 Gr F91 ANSI B16.47 Long Weld Neck Flanges, ASTM A182 F91 Blind Flanges, Alloy Steel ASTM A182 F91 Slip-On Flanges, ASTM A182 F91 Chrome Moly Threaded Flanges, UNS K91560 Flanges, ASME SA182 Alloy Steel Lap Joint Flanges, Standard Size ASTM A182 F91 Flanges Supplier, ASME SA182 F91 Alloy Steel Square Flanges Manufacturer in Mumbai India, A182 Alloy Steel Grade F91 Orifice Flanges Exporter, ASTM A182 F91 Plate Flanges, Alloy Steel A182 F91 Reducing Flanges, ASTM A182 F91 Steel Flanges.
Standard Specification for ASTM A182 F91 Flanges
| Specification | ASTM A182 / ASME SA182 |
| Dimensions | ASME B16.5, ASME B16.47 SERIES A, ASME B16.47 SERIES B, ASME B16.36, BS10, EN1092-1:2013, MSS SP44, ASA, API-605, ISO 7005, ISO 15590-3, DIN 2631--2638, DIN 2573-2576, DIN 2527, DIn 2641-2642, DIN 2565-2566, DIN2502, AWWA, AS2129 TABLE C, TABLE D, TABLE E, TABLE F, TABLE J etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Size | 1/2″ to 36″ |
| Flange Face Type | Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Manufacturing Process | Hot Forging / Rolling / Machining |
| Types | ASTM A182 F91 Slip On Flange, ASTM A182 F91 Socket Weld Flange, ASTM A182 F91 Threaded / Screwed Flange, ASTM A182 F91 Orifice Flanges, ASTM A182 F91 SORF Flange, ASTM A182 F91 Welding Neck Flange, ASTM A182 F91 Long Welding Neck Flanges, ASTM A182 F91 SWRF Flange, ASTM A182 F91 Custom Flange as per Drawing etc., ASTM A182 F91 Weldoflange, ASTM A182 F91 Expander Flange, ASTM A182 F91 Nipoflange, ASTM A182 F91 Reducing Flange, ASTM A182 F91 Plate Flange, ASTM A182 F91 WNRF Flange, ASTM A182 F91 Blind Flange, ASTM A182 F91 Lap Joint Flange, ASTM A182 F91 Pipe Flange |
| Value Added Services | CNC Machining, Cold and Hot Dip Galvanized, Yellow Transparent, Drill, Oil Black Paint, Rolling, Zinc Plated, Anti-rust Paint, Shot Blasting, Sand Blasting, Heat Treatment, Punch |
| Other Testing | Alloy Equivalent, Hardness, Grain Size, A for annealed, NT for Normalized and Tempered, N for normalized, NACE MR0175, Macro, SSC, or QT for Quenched and Tempered, Ultrasounic Test, HIC, Sour Service, Charpy Impact Test etc. |

