
Honesty Steel & Alloys Ltd. is a trusted Manufacturer, Exporter & Supplier of Titanium Grade 2 Flanges, manufactured from commercially pure titanium conforming to ASTM B381 Grade F-2 / UNS R50400.
Titanium Grade 2 Weld Neck Flanges are designed for demanding piping systems where a strong, reliable welded connection is required. Their tapered hub provides a gradual transition between the flange and pipe, helping them perform effectively under pressure and cyclic loading.
Titanium Grade 2 Slip-On Flanges are fitted over the pipe and generally welded in position. They are widely selected for applications where economical installation and straightforward fabrication are important.
Titanium Grade 2 Blind Flanges are solid flanges used to close or terminate piping, vessels, nozzles, and equipment connections. They are useful where future access, inspection, isolation, or system modification may be required. Titanium Grade 2 Socket Weld Flanges are suitable for smaller-diameter piping systems where the pipe is inserted into a socket and welded.
Titanium Grade 2 Threaded Flanges feature internal threads and can be installed without welding where the piping design permits. They can be useful in selected low-temperature and suitable pressure applications.
Titanium Grade 2 Orifice Flanges are designed for applications involving differential-pressure flow measurement using an orifice plate assembly. They can be manufactured according to the required dimensional and instrument-connection specifications. Titanium Grade 2 RTJ Flanges are designed with a precision-machined ring groove for use with a metallic ring gasket. They are selected for suitable high-pressure and high-temperature services.
| Specification | Details |
|---|---|
| Product | Titanium Grade 2 Flanges |
| Material Type | Commercially Pure Titanium |
| Standards | ASME, ASTM, ANSI, DIN, EN, BS, JIS |
| Forging Standard | ASTM B381 / ASME SB381 |
| Pressure Classes | 150, 300, 600, 900, 1500, 2500 |
| Nominal Size | 1/2" to 24" |
| Facing | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Manufacturing | Forged / Machined |
| Connection Types | Blind, Slip-On, Weld Neck, Socket Weld, Threaded, Lap Joint, etc. |
| Flanges Types | Blind Flanges (BLRF), Weld neck Flanges (WNRF), Drawing Flanges, Screwed (Threaded) Flanges, Long weld neck Flanges (LWNRF), Socket-weld Flanges (SWRF), Orifice Flanges, Reducing Flanges, Forged Flanges, Slip-on Flanges (SORF), Large Diameter Flanges, Spacer & Blind Flanges, Industrial Flanges, Spectacle Blind Flanges, Flat Face Flanges, Raised Face (RF) Flanges, Ring Type Joint Flanges (RTJ), Plate Flanges, Custom Flanges, Lap Joint Flanges (SOLJ), etc. |
| Surface | Machined / Polished as required |
| Testing | As per applicable specification |
| Marking | As per customer/specification requirements |
| STANDARD | UNS | WERKSTOFF NR. | ASME Equivalent | JIS | China | BRITISH | GOST |
|---|---|---|---|---|---|---|---|
| Titanium Grade 2 | R50400 | 3.7035 | SB381 Grade F-2 | Class 2 | TA2 | IMI 125 | VT1-0 |
| Element | Composition, wt. % |
|---|---|
| Titanium (Ti) | Balance |
| Iron (Fe) | 0.30 max |
| Oxygen (O) | 0.25 max |
| Carbon (C) | 0.08 max |
| Nitrogen (N) | 0.03 max |
| Hydrogen (H) | 0.015 max |
| Other Elements – Each | 0.10 max |
| Other Elements – Total | 0.40 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
|---|---|---|---|---|---|
| Titanium Grade 2 | 4.51 g/cm³ | 1665 °C (3030 °F) | 345 MPa / 50 ksi | 275 MPa / 40 ksi | 20% |
Titanium Grade 2 Slip On Flanges
Titanium Grade 2 Socket Weld Flanges
Titanium Grade 2 Blind Flanges
Titanium Grade 2 Weld Neck Flanges
Titanium Grade 2 Threaded / Screwed Flanges
Titanium Grade 2 Lap Joint Flanges
Titanium Grade 2 Long Weld Neck Flanges
Titanium Grade 2 Spectacle Blind Flanges
Titanium Grade 2 Plate Flanges
Titanium Grade 2 Ring Type Joint Flanges
Titanium Grade 2 Tongue & Groove Flanges
Titanium Grade 2 Reducing Flanges
Titanium Grade 2 Nippo Flanges
Titanium Grade 2 Orifice Flanges
Titanium Grade 2 Square Flanges
Titanium Grade 2 Spades Ring Spacers Flanges
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| American Standard | Standard Code | ANSI ASME SA-182 | ANSI ASME B16.5 | 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 |
| 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 | 347.80 | 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 |
| Nominal Size | Outside Diameter (OD) |
Min. Thickness (T) |
RF Dia. (R) |
No. of Bolt Holes | Diameter of Holes | Bolt Circle (BC) |
SO Bore ID (SB) |
WN Bore ID (WB) |
Dia. Hub Base (HB) |
Dia. of Hub Top (HT) |
SO LTH (SL) |
WN LTH (WL) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1⁄2 | 3.50 | 0.38 | 1.38 | 4 | 0.62 | 2.38 | 0.88 | 0.62 | 1.19 | 0.84 | 0.56 | 1.81 |
| 3⁄4 | 3.88 | 0.44 | 1.69 | 4 | 0.62 | 2.75 | 1.09 | 0.82 | 1.50 | 1.05 | 0.56 | 2.00 |
| 1 | 4.25 | 0.50 | 2.00 | 4 | 0.62 | 3.12 | 1.36 | 1.05 | 1.94 | 1.32 | 0.62 | 2.12 |
| 11⁄4 | 4.62 | 0.56 | 2.50 | 4 | 0.62 | 3.50 | 1.70 | 1.38 | 2.31 | 1.66 | 0.75 | 2.19 |
| 11⁄2 | 5.00 | 0.62 | 2.88 | 4 | 0.62 | 3.88 | 1.95 | 1.61 | 2.56 | 1.90 | 0.81 | 2.38 |
| 2 | 6.00 | 0.69 | 3.62 | 4 | 0.75 | 4.75 | 2.44 | 2.07 | 3.06 | 2.38 | 0.94 | 2.44 |
| 21⁄2 | 7.00 | 0.81 | 4.12 | 4 | 0.75 | 5.50 | 2.94 | 2.47 | 3.56 | 2.88 | 1.06 | 2.69 |
| 3 | 7.50 | 0.88 | 5.00 | 4 | 0.75 | 6.00 | 3.57 | 3.07 | 4.25 | 3.50 | 1.12 | 2.69 |
| 31⁄2 | 8.50 | 0.88 | 5.50 | 8 | 0.75 | 7.00 | 4.07 | 3.55 | 4.81 | 4.00 | 1.19 | 2.75 |
| 4 | 9.00 | 0.88 | 6.19 | 8 | 0.75 | 7.50 | 4.57 | 4.03 | 5.31 | 4.50 | 1.25 | 2.94 |
| 5 | 10.00 | 0.88 | 7.31 | 8 | 0.88 | 8.50 | 5.66 | 5.05 | 6.44 | 5.56 | 1.38 | 3.44 |
| 6 | 11.00 | 0.94 | 8.50 | 8 | 0.88 | 9.50 | 6.72 | 6.07 | 7.56 | 6.63 | 1.50 | 3.44 |
| 8 | 13.50 | 1.06 | 10.62 | 8 | 0.88 | 11.75 | 8.72 | 7.98 | 9.69 | 8.63 | 1.69 | 3.94 |
| 10 | 16.00 | 1.12 | 12.75 | 12 | 1.00 | 14.25 | 10.88 | 10.02 | 12.00 | 10.75 | 1.88 | 3.94 |
| 12 | 19.00 | 1.19 | 15.00 | 12 | 1.00 | 17.00 | 12.88 | 12.00 | 14.38 | 12.75 | 2.12 | 4.44 |
| 14 | 21.00 | 1.31 | 16.25 | 12 | 1.12 | 18.75 | 14.14 | 13.25 | 15.75 | 14.00 | 2.19 | 4.94 |
| 16 | 23.50 | 1.38 | 18.50 | 16 | 1.12 | 21.25 | 16.16 | 15.25 | 18.00 | 16.00 | 2.44 | 4.94 |
| 18 | 25.00 | 1.50 | 21.00 | 16 | 1.25 | 22.75 | 18.18 | 17.25 | 19.88 | 18.00 | 2.62 | 5.44 |
| 20 | 27.50 | 1.62 | 23.00 | 20 | 1.25 | 25.00 | 20.20 | 19.25 | 22.00 | 20.00 | 2.81 | 5.62 |
| 22 | 29.50 | 1.75 | 25.25 | 20 | 1.38 | 27.25 | 22.22 | 21.25 | 24.25 | 22.00 | 3.07 | 5.82 |
| 24 | 32.00 | 1.81 | 27.25 | 20 | 1.38 | 29.50 | 24.25 | 23.25 | 26.12 | 24.00 | 3.19 | 5.94 |
| Size in Inch | Size in mm | No of Bolts | Outer Dia. | Hub OD | ISO Stud Size | Flange Length | RF Height | Flange Thick. | RF Dia. | PCD | Hole Size | Socket Bore | Weight in kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | C | D | F | B | E | G | H | ||||||
| 1/2 | 15 | 4 | 90 | 30 | M14 | 14 | 2 | 9.6 | 34.9 | 60.3 | 5/8 | 22.2 | 0.8 |
| 1 | 25 | 4 | 110 | 49 | M14 | 16 | 2 | 12.7 | 50.8 | 79.4 | 5/8 | 34.5 | 0.9 |
| 3/4 | 20 | 4 | 100 | 38 | M14 | 14 | 2 | 11.2 | 42.9 | 69.9 | 5/8 | 27.7 | 0.9 |
| 1 1/4 | 32 | 4 | 115 | 59 | M14 | 19 | 2 | 14.3 | 63.5 | 88.9 | 5/8 | 43.2 | 1.4 |
| 2 | 50 | 4 | 150 | 78 | M16 | 24 | 2 | 17.5 | 92.1 | 120.7 | 3/4 | 61.9 | 2.3 |
| 1 1/2 | 40 | 4 | 125 | 65 | M14 | 21 | 2 | 15.9 | 73 | 98.4 | 5/8 | 49.5 | 1.4 |
| 2 1/2 | 65 | 4 | 180 | 90 | M16 | 27 | 2 | 20.7 | 104.8 | 139.7 | 3/4 | 74.6 | 3.2 |
| 3 | 80 | 4 | 190 | 108 | M16 | 29 | 2 | 22.3 | 127 | 152.4 | 3/4 | 90.7 | 3.7 |
| 4 | 100 | 8 | 230 | 135 | M16 | 32 | 2 | 22.3 | 157.2 | 190.5 | 3/4 | 116.1 | 5.9 |
| 3 1/2 | 90 | 8 | 215 | 122 | M16 | 30 | 2 | 22.3 | 139.7 | 177.8 | 3/4 | 103.4 | 5 |
| 5 | 125 | 8 | 255 | 164 | M20 | 35 | 2 | 22.3 | 185.7 | 215.9 | 7/8 | 143.8 | 6.8 |
| 8 | 200 | 8 | 345 | 246 | M20 | 43 | 2 | 27 | 269.9 | 298.5 | 7/8 | 221.5 | 13.7 |
| 10 | 250 | 12 | 405 | 305 | M24 | 48 | 2 | 28.6 | 323.8 | 362 | 1 | 276.2 | 19.5 |
| 6 | 150 | 8 | 280 | 192 | M20 | 38 | 2 | 23.9 | 215.9 | 241.3 | 7/8 | 170.7 | 8.6 |
| 12 | 300 | 12 | 485 | 365 | M24 | 54 | 2 | 30.2 | 381 | 431.8 | 1 | 327 | 29 |
| 24 | 600 | 20 | 815 | 663 | M33 | 81 | 2 | 46.1 | 692.2 | 749.3 | 1 3/8 | 616 | 100 |
| 16 | 400 | 16 | 595 | 457 | M27 | 62 | 2 | 35 | 469.9 | 539.8 | 1 1/8 | 410.5 | 54 |
| 18 | 450 | 16 | 635 | 505 | M30 | 67 | 2 | 38.1 | 533.4 | 577.9 | 1 1/4 | 461.8 | 59 |
| 14 | 350 | 12 | 535 | 400 | M27 | 56 | 2 | 33.4 | 412.8 | 476.3 | 1 1/8 | 359.2 | 41 |
| 20 | 500 | 20 | 700 | 559 | M30 | 71 | 2 | 41.3 | 584.2 | 635 | 1 1/4 | 513.1 | 75 |
| Size in Inch | Size in mm | ISO Stud Size | RF Height | Outer Dia. | RF Dia. | Hole Size | PCD | No of Bolts | Bolt Size UNC | Flange Thickness | RF Stud Length | Weight in kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | A | C | E | B | ||||||||
| 1/2 | 15 | M20 | 7 | 135 | 34.9 | 7/8 | 88.9 | 4 | 3/4 | 30.2 | 120 | 3.2 |
| 3/4 | 20 | M20 | 7 | 140 | 42.9 | 7/8 | 95.2 | 4 | 3/4 | 31.8 | 125 | 3.7 |
| 1 | 25 | M24 | 7 | 160 | 50.8 | 1 | 108 | 4 | 7/8 | 35 | 140 | 5 |
| 1 1/4 | 32 | M27 | 7 | 185 | 63.5 | 1 1/8 | 130.2 | 4 | 1 | 38.1 | 150 | 7.8 |
| 1 1/2 | 40 | M30 | 7 | 205 | 73 | 1 1/4 | 146 | 4 | 1 1/8 | 44.5 | 170 | 10.5 |
| 2 | 50 | M27 | 7 | 235 | 92.1 | 1 1/8 | 171.4 | 8 | 1 | 50.9 | 180 | 18 |
| 2 1/2 | 65 | M30 | 7 | 265 | 104.8 | 1 1/4 | 196.8 | 8 | 1 1/8 | 57.2 | 195 | 25.5 |
| 3 | 80 | M33 | 7 | 305 | 127 | 1 3/8 | 228.6 | 8 | 1 1/4 | 66.7 | 220 | 39 |
| 4 | 100 | M39 | 7 | 355 | 157.2 | 1 5/8 | 273 | 8 | 1 1/2 | 76.2 | 255 | 61.5 |
| 5 | 125 | M45 | 7 | 420 | 185.7 | 1 7/8 | 323.8 | 8 | 1 3/4 | 92.1 | 300 | 102 |
| 6 | 150 | M52 | 7 | 485 | 215.9 | 2 1/8 | 368.3 | 8 | 2 | 108 | 345 | 157 |
| 8 | 200 | M52 | 7 | 550 | 269.9 | 2 1/8 | 438.2 | 12 | 2 | 127 | 380 | 241 |
| 10 | 250 | M64 | 7 | 675 | 323.8 | 2 5/8 | 539.8 | 12 | 2 1/2 | 165.1 | 490 | 470 |
| 12 | 300 | M72 | 7 | 760 | 381 | 2 7/8 | 619.1 | 12 | 2 3/4 | 184.2 | 540 | 575 |
| NPS Of SWRF | Outer Diameter | Diameter of RF | Minimum Thickness | Hub Diameter | Bore Diameter | Socket Depth | Bolt Circle Diameter | Bolt Holes Diameter | Flanges Bolt Number |
|---|---|---|---|---|---|---|---|---|---|
| (NPS) | (O) | (R) | (tf) | (X) | (B1) | (B2) | (D) | (W) | (I) |
| 1/2 | 90 | 34.9 | 9.6 | 30 | 22.2 | 15.8 | 10 | 60.3 | 15.9 |
| 3/4 | 100 | 42.9 | 11.2 | 38 | 27.7 | 20.9 | 11 | 69.9 | 15.9 |
| 1 | 110 | 50.8 | 12.7 | 49 | 34.5 | 26.6 | 13 | 79.4 | 15.9 |
| 1 1/4 | 115 | 63.5 | 14.3 | 59 | 43.2 | 35.1 | 14 | 88.9 | 15.9 |
| 1 1/2 | 125 | 73.0 | 15.9 | 65 | 49.5 | 40.9 | 16 | 98.4 | 15.9 |
| 2 | 150 | 92.1 | 17.5 | 78 | 61.9 | 52.5 | 17 | 120.7 | 19.1 |
| 2 1/2 | 180 | 104.8 | 20.7 | 90 | 74.6 | 62.7 | 19 | 139.7 | 19.1 |
| 3 | 190 | 127.0 | 22.3 | 108 | 90.7 | 77.9 | 21 | 152.4 | 19.1 |
| Size in MM | Inner Diameter | Outer Diameter | Center to Center | Wall Thickness | Width Of Web | Thickness Of Web | Hole Diameter |
|---|---|---|---|---|---|---|---|
| 15 | 16 | 45 | 60 | 3 | 38 | 2 | 15.875 |
| 20 | 21 | 54 | 70 | 3 | 38 | 2 | 15.875 |
| 25 | 27 | 64 | 80 | 3 | 38 | 2 | 15.875 |
| 32 | 42 | 73 | 90 | 6.4 | 38 | 4 | 15.875 |
| 40 | 48 | 83 | 100 | 6.4 | 38 | 4 | 15.875 |
| 50 | 61 | 102 | 120 | 6.4 | 51 | 4 | 19.05 |
| 65 | 73 | 107 | 140 | 6.4 | 51 | 4 | 19.05 |
| 80 | 89 | 133 | 150 | 6.4 | 64 | 4 | 19.05 |
| 90 | 102 | 159 | 175 | 9.7 | 64 | 5 | 19.05 |
| 100 | 114 | 172 | 190 | 9.7 | 64 | 5 | 19.05 |
| 130 | 141 | 194 | 215 | 9.7 | 76 | 5 | 22.225 |
| 150 | 168 | 219 | 240 | 12.7 | 76 | 7 | 22.225 |
| 200 | 219 | 276 | 300 | 12.7 | 76 | 10 | 22.225 |
| 250 | 273 | 337 | 360 | 15.7 | 102 | 12 | 25.4 |
| 300 | 324 | 406 | 430 | 19.1 | 102 | 15 | 25.4 |
| 350 | 356 | 448 | 475 | 19.1 | 108 | 15 | 28.575 |
| 400 | 406 | 511 | 540 | 22.4 | 108 | 17 | 28.575 |
| 450 | 457 | 546 | 580 | 25.4 | 114 | 20 | 31.75 |
| 500 | 508 | 603 | 635 | 28.4 | 121 | 22 | 31.75 |
| 600 | 610 | 714 | 750 | 31.8 | 140 | 24 | 34.925 |
| Flange | Tolerance Table | |
|---|---|---|
| D | Inside Diameter (I.D.) |
|
| K | Length of hub |
|
| B | Diameter of contact face |
|
| A | O.D. (Outside Diameter) |
|
| J | Diameter of hub at base |
|
| P | Drilling |
|
| Eccentricity of bolt circle with respect to facing |
|
|
| H | Diameter of hub at point of welding |
|
| C | Thickness |
|
| ASME/ ANSI B16.5 | Pressure Rating | ||||||
|---|---|---|---|---|---|---|---|
| Temperature °F | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
| 650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
| 1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
| 1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
| 1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
| 1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
| 1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
| 1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
| 1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |