Products
AS F91 Threaded Flanges
F91 AS Blind Flanges
AS F91 Flanges
- Phone +91 8080256582
- Email: sales@indiasteelindustries.com
Equivalent Grades
UNS K90901
1.4903
Grade F91
1.4903
Grade F91
Forms
Weldo
Groove / Tongue
Sorf
Groove / Tongue
Sorf
Standard Specifications
ASTM A182
ASME SA182
ANSI B16.9
ASME SA182
ANSI B16.9
Cr-Mo A182 F91 Blind Flanges, UNS K90901 Lap Joint Flanges, CrMo F91 Socket Weld Flanges, 1.4903 Threaded Flanges, F91 Alloy Steel Slip On Flanges, Alloy Steel F91 Flanges Stockist Manufacturer in India.
Athlete Piping Solution is a known trader and stockist of AS F91 Flanges, which are designed as in keeping with the international standard first-class standards. Alloy Steel F91 Lap Joint Flanges is having a few critical functions like leak proof, excessive efficiency, corrosion resistance, lengthy-existence provider, dimensional accuracy and clean finish. This steel is substantially famous for its best design, out of the ordinary performance, robust production and durability. It could be very an awful lot smooth to put in and dispose of and may be available for our customers in extraordinary technical specs of threading and sizes as in keeping with requirement. It is a low carbon austenitic nickel-chromium steel by additions of copper and molybdenum. This product forms are for the maximum element used wherein the corrosion resistant residences are insufficient, mainly in harsh corrosive forms.
High Quality F91 Alloy Steel Sorf Flanges, F91 CrMo Spectacle Blind Flanges, Grade F91 Alloy Threaded Flanges, ASTM A182 F91 Alloy Steel Flanges, CrMo Grade F91 Ring Type Joint Flanges, Chrome Moly Gr F91 Orifice Flanges, ANSI B16.9 Alloy Steel F91 Long Weld Neck Flanges Supplier in Mumbai, India.
Alloy Steel F91 Ring Joint Type Flanges are substantially added up into a few common application which includes in Pulp and Paper Industry, Heat exchangers, etc. They also are utilized in Condensers, Chemical device, Sea water device, Pharmaceutical device and others. We attention in production custom form and unique length this product for our customers. These product are having a few critical functions like excessive resistance to crevice and pitting corrosion, awesome resistance to strain corrosion cracking, robust resistance to inter-granular corrosion, advanced weldability and formability. It is pretty regarded for its robust widespread resistance to sea water. This steel is pretty diagnosed for strong production, matchless first-class and advanced functionality.
Because of its excessive alloy absorption, this Alloy Steel F91 Spacer Flanges is substantially added up into application in Shipbuilding – Special Marine Vessels, Desalination Plants, etc. This product is likewise utilized in Offshore – Various Navy projects, Condensers, Desalination plants, Power Plants, Chemical procedure industries, and Oil refineries. Some critical Properties of this product are low corrosion in seawater and salt water applications. This steel gives High popular resistance to crevice corrosion and pressure corrosion because of chlorides, and High resistance to pressure corrosion cracking (SCC) in seawater. It additionally gives Ease of welding and fabrication, Strong pitting resistance, and so on.
Specification of Alloy Steel F91 Flanges
| Specifications | ASTM A182 / ASME SA182 |
|---|---|
| Flanges size | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Flanges Dimensions | ANSI/ASME B16.9, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange, GOST Flange. |
| 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) |
| Manufacturing Standards | ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE, BS Flange, EN Flange, API 6A Flange etc B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) Any other specilised Flange DIN: DIN 2527, DIN 2566, DIN 2573, UNS S45367 Flange, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276 |
| Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Flanges uses & application | Nuclear power (mostly seamless). Petrochemicals and acids. Bitumen upgraders. Heavy oil refineries. |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175. | |
Equivalent Grades Alloy Steel F91 Flanges
| STANDARD | UNS | WERKSTOFF NR. | Trade Name |
| Alloy Steel F91 | K90901 | 1.4903 | 9Cr-1Mo-V |
Various Types of F91 Alloy Steel Flanges
Alloy Steel F91 Blind Flanges
Alloy Steel F91 Ring Type Joint Flange
Alloy Steel F91 Weld Neck Flanges
Alloy Steel F91 Socket weld Flanges
Alloy Steel F91 Lapped Joint Flanges
Alloy Steel F91 Slip On Flanges
F91 Alloy Steel Flanges International Standards
| American Standard | Standard Code | ANSI ASME SA-182 | ANSI ASME B16.9 | ASME – B 16.47 | ASME – B 16.36 | ||
|---|---|---|---|---|---|---|---|
| Standard Name | Forged Flanges | Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange | Welding neck flange, Blind flange | Welding neck flange Slip on flange | |||
| German Standard | DIN 2527 | DIN 2573 / 2576 | DIN 2673 | DIN 2641 / 2642 | DIN 28115 | DIN PN10, PN16 | DIN PN20, PN25 |
| Steel Blind Flanges, BLRF | Flat Flange for Welding (Slip On) | Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars) | Lapped / Loose (Lap Joint) Flanges Plain Collars | Long Neck Welding Flanges | PN10 Flanges, DIN PN 10 Flanges, PN16 Flange | PN20 Flanges, DIN PN 25 Flanges | |
| Japanese Standard | JIS B2220 | JIS B2291 | JIS 5K, 10K | JIS 16K, 20K | JIS 30K, 40K | ||
| 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) | 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) | 5K SORF Flanges, 10K SOFF Flanges | 16K Blind Flanges, 20K BLRF Flanges | 30K Slip on Flanges, 40K Blind Flanges | |||
| Italian 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 | BS 10 Table D | BS 10 Table E | BS 10 Table F | BS 10 Table H | |||
| BS 10 Table D Flanges, Table D Pipe Flange | BS 10 Table E Flanges, Table E Pipe Flange | BS 10 Table E Flanges, Table E Flanges | BS 10 Table E Flanges, Table E Pipe Flanges |
Looking to Buy Alloy Steel F91 Flanges from Suppliers, Ask For ready stock of UNS 1.4903 Blind Flanges in Mumbai, India.
Alloy Steel F91 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 |
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 |
Size Chart Of Alloy Steel F91 Flange
| Nominal Pipe Size | Outside Diameter of Flanges | Thickness of Flanges | Diameter of Raised Face | Diameter of Hub at Base | Length Thru Hub | Diameter or Bore | Diameter of Hub at Bevel | Radius of Fillet | Depth of Socket | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Welding Neck | Slip-On Threaded Socket | Lap Joint | Slip-on Socket | Lap Joint | ||||||||
| O | Q | R | X | Y | Y | Y | W | B | H | r | Z | |
| 1/2 | 3-1/2 | 7/16 | 1-3/8 | 1-3/16 | 1-7/8 | 5/8 | 5/8 | .88 | .90 | .84 | 1/8 | 3/8 |
| 3/4 | 3-7/8 | 1/2 | 1-11/16 | 1-1/2 | 2-1/16 | 5/8 | 5/8 | 1.09 | 1.11 | 1.05 | 1/8 | 7/16 |
| 1 | 4-1/4 | 9/16 | 2 | 1-15/16 | 2-3/16 | 11/16 | 11/16 | 1.36 | 1.38 | 1.32 | 1/8 | 1/2 |
| 1-1/4 | 4-5/8 | 5/8 | 2-1/2 | 2-5/16 | 2-1/4 | 13/16 | 13/16 | 1.70 | 1.72 | 1.66 | 3/16 | 9/16 |
| 1-1/2 | 5 | 11/16 | 2-7/8 | 2-9/16 | 2-7/16 | 7/8 | 7/8 | 1.95 | 1.97 | 1.90 | 1/4 | 5/8 |
| 2 | 6 | 3/4 | 3-5/8 | 3-1/16 | 2-1/2 | 1 | 1 | 2.44 | 2.46 | 2.38 | 5/16 | 11/16 |
| 2-1/2 | 7 | 7/8 | 4-1/8 | 3-9/16 | 2-3/4 | 1-1/8 | 1-1/8 | 2.94 | 2.97 | 2.88 | 5/16 | 3/4 |
| 3 | 7-1/2 | 15/16 | 5 | 4-1/4 | 2-3/4 | 1-3/16 | 1-3/16 | 3.57 | 3.60 | 3.50 | 3/8 | 13/16 |
| 3-1/2 | 8-1/2 | 15/16 | 5-1/2 | 4-13/16 | 2-13/16 | 1-1/4 | 1-1/4 | 4.07 | 4.10 | 4.00 | 3/8 | 7/8 |
| 4 | 9 | 15/16 | 6-3/16 | 5-5/16 | 3 | 1-5/16 | 1-5/16 | 4.57 | 4.60 | 4.50 | 7/16 | 15/16 |
| 5 | 10 | 15/16 | 7.5/16 | 6-7/16 | 3-1/2 | 1-7/16 | 1-7/16 | 5.66 | 5.69 | 5.56 | 7/16 | 15/16 |
| 6 | 11 | 1 | 8-1/2 | 7-9/16 | 3-1/2 | 1-9/16 | 1-9/16 | 6.72 | 6.75 | 6.63 | 1/2 | 1-1/16 |
| 8 | 13-1/2 | 1-1/8 | 10-5/8 | 9-11/16 | 4 | 1-3/4 | 1-3/4 | 8.72 | 8.75 | 8.63 | 1/2 | 1-1/4 |
| 10 | 16 | 1-3/16 | 12-3/4 | 12 | 4 | 1-15/16 | 1-15/16 | 10.88 | 10.92 | 10.75 | 1/2 | 1-5/16 |
| 12 | 19 | 1-1/4 | 15 | 14-3/8 | 4-1/2 | 2-3/16 | 2-3/16 | 12.88 | 12.92 | 12.75 | 1/2 | 1-9/16 |
| 14 | 21 | 1-3/8 | 16-1/4 | 15-3/4 | 5 | 2-1/4 | 3-1/8 | 14.14 | 14.18 | 14.00 | 1/2 | 1-5/8 |
| 16 | 23-1/2 | 1-7/16 | 18-1/2 | 18 | 5 | 2-1/2 | 3-7/16 | 16.16 | 16.19 | 16.00 | 1/2 | 1-3/4 |
| 18 | 25 | 1-9/16 | 21 | 19-7/8 | 5-1/2 | 2-11/16 | 3-13/16 | 18.18 | 18.20 | 18.00 | 1/2 | 1-15/16 |
| 20 | 27-1/2 | 1-11/16 | 23 | 22 | 5-11/16 | 2-7/8 | 4-1/16 | 20.20 | 20.25 | 20.00 | 1/2 | 2-1/8 |
| 24 | 32 | 1-7/8 | 27-1/4 | 26-1/8 | 6 | 3-1/4 | 4-3/8 | 24.25 | 24.25 | 24.00 | 1/2 | 2-1/2 |
Weight Chart Of Alloy Steel F91 Flanges
| Pipe Normal Diam. | O.D. Flange | Thk. Of Flange Min | Diam. of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | Diam. of Bolt Circle |
Diam. of Bolt Holes |
Number of Bolts |
Diam. of Bolts (inch) |
KG | LB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | dn | O | C | X | G | Y | T | BC | BH | BN | BD | ||
| 1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
| 3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
| 1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
| 1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
| 1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
| 2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
| 2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
| 3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
| 3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
| 4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
| 5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
| 6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
| 8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
| 10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
| 12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
| 14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
| 16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
| 18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
| 20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
| 24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |
Ready Stock of Alloy Steel F91 Flanges
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F91 Alloy Steel Flanges Export Destinations
MIDDLE EAST Saudi Arabia |
AFRICA Nigeria NORTH AMERICA Usa |
EUROPE Russia |
ASIA India SOUTH AMERICA Argentina |
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