Alloy Steel F91 Blind Flanges, Chrome Moly F91 Slip-On Flange Manufacturer in India.
Unifit Metalloys Inc is a renowned trader and stockist of AS F91 Flanges, which are generally used with a pipe that has some exterior threads. As the name suggest, Alloy Steel F91 Slip On Raised Flanges is actually a neck piece of the flange that is welded to the closing points of the system of pipes. Chromium Molybdenum F91 Blind Raised Flanges are known from other breeds by their widespread pointed centre and reasonable development of width in butt weld area, by joining them by means of the pipe. These Cr-Mo F91 Socket Weld Flanges are having a wide-ranging tapered hub and are often used for high pressure applications. Meanwhile, the all-embracing pointed centre provides a momentous support of the proper Alloy Steel F91 Weld Neck Flanges, from the position of resistance and power to dishing.
Table of Contents
- Alloy Steel F91 Flanges Specification
- ASTM A182 Grade F91 Alloy Steel Flanges Equivalent Grades
- Grade F91 Alloy Steel Flanges Chemical Composition
- ASTM A182 Alloy Steel F91 Flanges Mechanical Properties
- Chrome Moly F91 Flanges Types
- Other Types of Grade F91 Alloy Steel Flanges in Stock
- ASTM A182 Cr-Mo F91 Flanges Schedule / Class
- ASME B16.5 Alloy Steel F91 Pipe Flanges Dimensions In MM
- Pressure Rating of Alloy Steel F91 Pipe Flanges
CrMo F91 Flat Flanges, ASME B16.5 Grade F91 Alloy Steel Nipo Flange, Chrome Moly F91 Long weld Neck Flanges, Alloy Steel F91 Slip on Flanges, WNR 1.4903 Spectacle Blind Flanges Supplier in Mumbai, India.
Get a best quote for UNS K90901 Long Welding Neck Flanges, ASME SA182 Alloy Steel F91 Socket Weld Flange, Chromium Molybdenum F91 Threaded Flanges, ANSI B16.11 Alloy Steel F91 Flanges from Leading Manufacturer, Buy Grade F91 Chrome Moly Weld Neck Flanges/Slip On Flanges at Best Price in India.
Alloy Steel F91 Forged Flanges are at length used in the systems of piping by means of having low pressure, as no welding is being apprehensive while connecting these flanges to pipes or any other tools. Alloy Steel F91 Threaded Flanges with respect to its outline has the bore with threaded to let it bring together devoid of any weld. Chrome Moly F91 Spectacle Blind Flanges clearly confine its purpose to moderately low pressure system of the piping. In a nutshell, these Cr-Mo F91 Lap Joint Flanges are used to connect other threaded parts in non-critical and low pressure applications.
Alloy Steel F91 Flanges Specification
| Specifications | ASTM A182 / ASME SA182 |
|---|---|
| Flange Size Chart | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Flanges Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| ASME SA 182 Flange | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Flange UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Flange EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Most common types of Flange | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Flange Production technique | Forged, Heat treated and machined |
| Flange Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design | As per your drawing
AS, ANSI, BS, DIN and JIS |
| ASME A182 Flange Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| ASTM A182 Flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Flange Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of Flange | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. B.S: BS4504 , BS3293, BS1560, BS10 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| ASME SA182 Flange Uses & application | Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
| EN 1092-1 Flange Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi & Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
ASTM A182 Alloy Steel F91 Flanges Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. | Trade Name |
| Alloy Steel F91 | K90901 | 1.4903 | 9Cr-1Mo-V |
Grade F91 Alloy Steel Flanges Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F91 | 0.08 - 0.12 | 0.3 - 0.6 | 0.5 | 0.01 | 0.02 | 8.5 - 9.5 | 0.85 - 1.05 |
ASTM A182 Alloy Steel F91 Flanges Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| Alloy Steel F91 | 415 | 585 | 20 |
Chrome Moly F91 Flanges Types
ASTM A182 Alloy Steel F91 Weld Neck Flanges
ASTM A182 Alloy Steel F91 Slip-on Flanges
ASTM A182 Alloy Steel F91 Blind Flanges
ASTM A182 Alloy Steel F91 Socket weld Flanges
ASTM A182 Alloy Steel F91 Long Weld Neck Flanges
ASTM A182 Alloy Steel F91 Orifice Flanges
ASTM A182 Alloy Steel F91 Lap Joint Flanges
ASTM A182 Alloy Steel F91 Spectacle Blind Flanges
ASTM A182 Alloy Steel F91 Weldo-Nipolet Flanges
ASTM A182 Alloy Steel F91 Ring Type Joint Flanges
ASTM A182 Alloy Steel F91 Groove & Tongue Flanges
ASTM A182 Alloy Steel F91 Reducing Flanges
ASTM A182 Alloy Steel F91 Flanges Manufacturing Standards
| American Steel Flanges Standard | |
| Standard Code | Standard Name |
| ANSI ASME SA-182 | Forged Flanges |
| ANSI ASME B16.5 | Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange |
| ASME – B 16.47 | Welding neck flange, Blind flange |
| ASME – B 16.36 | Welding neck flange Slip on flange |
| German Steel Flanges Standard | |
| DIN 2527 | Steel Blind Flanges, BLRF |
| DIN 2573 / 2576 | Flat Flange for Welding (Slip On) |
| DIN 2673 | Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars) |
| DIN 2641 / 2642 | Lapped / Loose (Lap Joint) Flanges Plain Collars |
| DIN 28115 | Long Neck Welding Flanges |
| DIN PN10, PN16 | Alloy Steel F91 PN10 Flanges, F91 Alloy Steel DIN PN 10 Flanges, A182 F91 Alloy Steel PN16 Flange |
| DIN PN20, PN25 | Alloy Steel F91 PN20 Flanges, F91 Chrome Moly DIN PN 25 Flanges |
| DIN PN40, PN50 | Chrome Moly Steel F91 PN40 Flanges, F91 Alloy Steel DIN PN 50 Flanges |
| Japanese Steel Flanges Standard | |
| JIS B2220 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS B2291 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS 5K, 10K | Alloy Steel F91 5K SORF Flanges, F91 Alloy Steel 10K SOFF Flanges |
| JIS 16K, 20K | Alloy Steel F91 16K Blind Flanges, A182 F91 Chromium Molybdenum Steel 20K BLRF Flanges |
| JIS 30K, 40K | Alloy Steel F91 30K Slip on Flanges, F91 Alloy Steel 40K Blind Flanges |
| Italian Flanges Standard | |
| UNI FLANGES | Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254) |
| British Standard Pipe Flanges Standard | |
| BS 10 Table D | Alloy Steel F91 BS 10 Table D Flanges, F91 Table D Pipe Flange |
| BS 10 Table E | Alloy Steel F91 BS 10 Table E Flanges, A182 F91 Table E Pipe Flange |
| BS 10 Table F | Chromium Molybdenum Steel F91 BS 10 Table E Flanges, F91 Cr-Mo Table E Flanges |
| BS 10 Table H | Alloy Steel F91 BS 10 Table E Flanges, Cr-Mo F91 Table E Pipe Flanges |
Other Types of Grade F91 Alloy Steel Flanges in Stock
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ASTM A182 F91 Chrome Moly Flanges Schedule / Class
| Flange Schedule/Class | Pipe Size - Pipe Flanges | Flange Connection Type | Max. Pressure |
|---|---|---|---|
| ASME B16.5 Class 150 | 1/2" | FNPT | 150 psi |
| ASME B16.5 Class 150 | 1/2" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 1/2" | Welded | 150 psi |
| ASME B16.5 Class 150 | 3/4" | FNPT | 150 psi |
| ASME B16.5 Class 150 | 3/4" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 1-1/4" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 1-1/2" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 2" | FNPT | 150 psi |
| ASME B16.5 Class 150 | 2" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 2-1/2" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 3" | Socket Weld | 275 psi |
| ASME B16.5 Class 150 | 4" | FNPT | 150 psi |
| ASME B16.5 Class 150 | 4" | Socket Weld | 275 psi |
| ASME B16.5 Class 300 | 1/2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 1/2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 1" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 1" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 1-1/4" | FNPT | 720 psi |
| ASME B16.5 Class 300 | 1-1/4" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 1-1/2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 1-1/2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 2-1/2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 2-1/2" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 3" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 3" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 4" | Slip On | 720 psi |
| ASME B16.5 Class 300 | 4" | Slip On | 720 psi |
ASME B16.5 Alloy Steel F91 Pipe Flanges Dimensions
| NPS (in.) |
Alloy Grade F91 Flanges Dimensions | ||||
|---|---|---|---|---|---|
| Dia. of Flange (in.) |
No. of Bolts |
Dia. of Bolts (in.) |
Dia. of Bolt Holes (in.) |
Bolt Circle (in.) |
|
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
Pressure Rating of Alloy Steel F91 Pipe Flanges
| ASME/ANSI B 16.5 | Blind Flange, High Hub Blind Flange, Slip on Flange, Welding Neck Flange, Socket Weld Flange, Ring Type Joint Flange, Lap Joint Flange, Threaded Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Slip on Flange, Threaded Flange, Welding Neck Flange, |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, |
| 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 |
Alloy Steel ASTM A182 Grade F91 Flanges Suppliers in India
| City We Supply Flanges | |||||
| Bengaluru | Mumbai | Chennai | Hyderabad | Kolkata | Pune |
| New Delhi | Ahmedabad | Jaipur | Surat | Salem | Gandhinagar |
| Bhiwandi | Tiruppur | Sivakasi | Jamnagar | Thiruvananthapuram | Rajahmundry |
| Bhubaneswar | Vijaywada | Firozabad | Bokaro Steel City | Rajkot | Bharuch |
| Panna | Raipur | Cochin | Ludhiana | Panipat | Durgapur |
| Peenya | Pimpri-Chinchwad | Channapatna | Kharagpur | Nashik | Bareilly |
| Varanasi | Haldia | Rourkela | Bangalore | Moradabad | Indore |
| Visakhapatnam | Trivandrum | Pithampur | Dibrugarh | Angul | Gwalior |
| Coimbatore | Kannur | Nagpur | Vadodara | Rudrapur | Noida |
| Agra | Bhagalpur | Jamshedpur | Bhilai | Lucknow | Kanpur |
| Thane | Bhopal | Sri City | Bareilly | Hosdurg | Pithampur |
Alloy Steel F91 Flanges Exporter in India
| Countries we export Flanges worldwide: | ||||
| Manama | Atyrau | Kuwait | Netherlands | Iran |
| Bahrain | Qatar | UAE | Africa | China |
| Nigeria | Mexico | Canada | Venezuela | United Kingdom |
| United States | South Africa | Malaysia | Bangladesh | Turkey |
| Singapore | Sri Lanka | Australia | Brazil | Germany |
| France | Italy | South Korea | Poland | Belgium |
| Russia | Vietnam | Jordan | Portugal | Egypt |
| Morocco | Israel | Costa Rica | Iraq | Madagascar |
| Kazakhstan | Thailand | Romania | Philippines | Spain |
| Hongkong | Taiwan | Japan | Ukraine | Chile |