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ASTM A105 ANSI B16.5 Carbon Steel Forged Flange Class 1500
ASTM A105 flanges are forged carbon steel flanges for ambient- and higher-temperature service in pressure systems. These flanges may be manufactured in accordance with a variety of standard specifications covering ASME B16.5, ASME B16.47, ASME B16.48, ASME B16.36, MSS SP 44, API 605, and API 6A, etc. Flanges made to ASTM A105 material are limited a maximum weight of 4540 kg.
Product Information
| Product Name | ASTM A105 B16.5 Carbon Steel Forged Flange Class 1500 |
| Size Range | Dimension: 1/2” to 24” |
| Pressure Class | Class 1500 |
| Standards | ASTM A105 |
| Common Face Type | Weld Neck (WN) Slip-on (SO) Blind (BL) Lap Joint (LJ) Socket Welding (SW) |
| Specification | ANSI B16.5 |
| Coating | Anti-rust Paint, Could and Hot Dip Galvanized, Zinc Plated, Yellow Transparent, Oil Black Paint |
ASTM A105 Chemical Composition (%)
| Steel Class | C max | Si | Mn | P max | S max | Ni max | Cr max | Mo max | N |
| A105 | 0.35 | 0.10-0.35 | 0.60-1.05 | 0.035 | 0.040 | 0.40 | 0.30 | 0.12 |
ASTM A105 Mechanical Properties
| Steel Class | Tensile Strength | Yield Strength | Elongation in 2in | Reduction of area | Solutioning Temperature | Quenching Cool |
| min | min | min | min | min | below | |
| A105 | 485 | 250 | 22 | 30 |
ANSI B16.5 Flange Dimensions - Class 1500
| Nominal Size | Outside Dia. | Thickness | Length thru Hub | Dia. of Hub | Raised Face Dia. | Corner Radius of Bore | Depth of Socket | Counter Bore | Thread Length | Bolt Holes | |||||
| WN | SO SW TR | LJ | LJ | SW | TR | Bolt Circle Dia. | No | Dia. | |||||||
| A | B | O | t | Y1 | Y2 | Y3 | X | R | r1 | D | B4 | Q | C | H | |
| 15 | 1/2 | 121 | 22.4 | 60.5 | 32 | 32 | 38.0 | 35.1 | 3 | 10 | 23.5 | 22.4 | 82.6 | 4 | 22 |
| 20 | 3/4 | 130 | 25.4 | 69.8 | 35 | 35 | 44.5 | 42.9 | 3 | 11 | 29.0 | 25.4 | 88.9 | 4 | 22 |
| 25 | 1 | 149 | 28.5 | 73.2 | 41 | 41 | 50.8 | 50.8 | 3 | 13 | 36.0 | 28.4 | 101.6 | 4 | 26 |
| 32 | 1-1/4 | 159 | 28.5 | 73.2 | 41 | 41 | 63.5 | 63.5 | 5 | 14 | 44.5 | 30.2 | 111.3 | 4 | 26 |
| 40 | 1-1/2 | 178 | 31.8 | 82.6 | 44 | 44 | 73.2 | 73.2 | 6 | 16 | 50.5 | 31.8 | 124.0 | 4 | 29 |
| 50 | 2 | 216 | 38.1 | 11.6 | 57 | 57 | 91.9 | 91.9 | 8 | 18 | 63.5 | 38.1 | 165.1 | 8 | 26 |
| 65 | 2-/21 | 244 | 41.2 | 104.6 | 64 | 64 | 104.6 | 104.6 | 8 | 19 | 76.0 | 47.8 | 190.5 | 8 | 29 |
| 80 | 3 | 267 | 47.8 | 117.3 | - | 73 | 127.0 | 127.0 | 10 | - | - | - | 203.2 | 8 | 32 |
| 100 | 4 | 311 | 53.9 | 124.0 | - | 90 | 157.2 | 157.2 | 11 | - | - | - | 241.3 | 8 | 35 |
| 125 | 5 | 375 | 73.2 | 155.4 | - | 105 | 185.7 | 185.7 | 11 | - | - | - | 292.1 | 8 | 42 |
| 150 | 6 | 394 | 82.6 | 171.4 | - | 119 | 215.9 | 215.9 | 13 | - | - | - | 317.5 | 12 | 39 |
| 200 | 8 | 483 | 92.0 | 212.9 | - | 143 | 269.7 | 269.7 | 13 | - | - | - | 393.7 | 12 | 45 |
| 250 | 10 | 585 | 108.0 | 254.0 | - | 178 | 323.8 | 323.8 | 13 | - | - | - | 482.6 | 12 | 51 |
| 300 | 12 | 675 | 124.0 | 282.4 | - | 219 | 381.0 | 381.0 | 13 | - | - | - | 571.5 | 16 | 54 |
| 350 | 14 | 750 | 133.4 | 298.4 | - | 241 | 412.8 | 412.8 | 13 | - | - | - | 635.0 | 16 | 60 |
| 400 | 16 | 825 | 146.1 | 311.2 | - | 260 | 469.9 | 469.9 | 13 | - | - | - | 704.8 | 16 | 67 |
| 450 | 18 | 915 | 162.1 | 327.2 | - | 276 | 533.4 | 533.4 | 13 | - | - | - | 774.7 | 16 | 74 |
| 500 | 20 | 985 | 177.8 | 355.6 | - | 292 | 584.2 | 584.2 | 13 | - | - | - | 831.8 | 16 | 80 |
| 600 | 24 | 1170 | 203.2 | 406.4 | - | 330 | 692.2 | 692.2 | 13 | - | - | - | 990.6 | 16 | 93 |
| Nominal Size | Dimensions of Ring Joint Flanges | Weight (kg) | |||||||||||
| Groove Number | Dia. of Raised Portion | Pitch Dia. | Depth | Width | Radius at Bottom | WN Sch 40 | SO | BL | SW Sch 40 | LJ | TR | ||
| A | B | K | P | E | F | r2 | |||||||
| 15 | 1/2 | R12 | 60.5 | 39.67 | 6.35 | 8.74 | 0.8 | 1.89 | 1.76 | 1.81 | 1.82 | 1.8 | 1.76 |
| 20 | 3/4 | R14 | 67.0 | 44.45 | 6.35 | 8.74 | 0.8 | 2.54 | 2.34 | 2.43 | 2.40 | 2.3 | 2.32 |
| 25 | 1 | R16 | 71.5 | 50.80 | 6.35 | 8.74 | 0.8 | 3.68 | 3.42 | 3.56 | 3.51 | 3.6 | 3.44 |
| 32 | 1-1/4 | R18 | 81.5 | 60.32 | 6.35 | 8.74 | 0.8 | 4.27 | 3.92 | 4.16 | 4.04 | 4.1 | 3.95 |
| 40 | 1-1/2 | R20 | 92.0 | 68.28 | 6.35 | 8.74 | 0.8 | 5.90 | 5.40 | 5.80 | 5.55 | 5.4 | 5.41 |
| 50 | 2 | R24 | 124 | 95.25 | 7.92 | 11.91 | 0.8 | 10.9 | 9.98 | 10.2 | 10.2 | 11.3 | 9.92 |
| 65 | 2-/21 | R27 | 137 | 107.95 | 7.92 | 11.91 | 0.8 | 14.6 | 13.4 | 13.9 | 13.9 | 15.9 | 13.5 |
| 80 | 3 | R35 | 169 | 136.52 | 7.92 | 11.91 | 0.8 | 19.6 | - | 19.3 | - | 21.3 | - |
| 100 | 4 | R39 | 194 | 161.92 | 7.92 | 11.91 | 0.8 | 29.3 | - | 29.9 | - | 34.0 | - |
| 125 | 5 | R44 | 229 | 193.68 | 7.92 | 11.91 | 0.8 | 57 | - | 59 | - | 63.5 | - |
| 150 | 6 | R46 | 248 | 211.12 | 9.52 | 13.49 | 1.5 | 67 | - | 72 | - | 77.1 | - |
| 200 | 8 | R50 | 318 | 269.88 | 11.13 | 16.66 | 1.5 | 114 | - | 121 | - | 129.3 | - |
| 250 | 10 | R54 | 372 | 323.85 | 11.13 | 16.66 | 1.5 | 200 | - | 211 | - | 220.0 | - |
| 300 | 12 | R58 | 439 | 381.00 | 14.27 | 23.01 | 1.5 | 301 | - | 318 | - | 285.8 | - |
| 350 | 14 | R63 | 489 | 419.10 | 15.88 | 26.97 | 2.3 | 392 | - | 422 | - | 403.7 | - |
| 400 | 16 | R67 | 547 | 469.90 | 17.48 | 30.18 | 2.3 | 502 | - | 559 | - | 521.6 | - |
| 450 | 18 | R71 | 613 | 533.40 | 17.48 | 30.18 | 2.3 | 659 | - | 765 | - | 669.1 | - |
| 500 | 20 | R75 | 674 | 584.20 | 17.48 | 33.32 | 2.3 | 810 | - | 969 | - | 805.1 | - |
| 600 | 24 | R79 | 794 | 692.15 | 20.62 | 33.32 | 2.3 | 1300 | - | 1566 | - | 1281.4 | - |