Place of Origin | China |
Brand Name | Kasugai |
Model Number | ASTM A105 ASME / ANSI B16.5 Class 900 SO BL LJF TR RF |
Document | Product Brochure PDF |
ASTM A105 ANSI B16.5 Carbon Steel Forged Flange Class 900
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 Flange |
Size Range | Dimension: 1/2” to 24” |
Pressure Class | Class 900 |
Standards | ASTM A105 |
Common Face Type | Welding Neck (WN) Slip-on (SO) Blind (BL) Lap Joint (LJ) Threaded (TR) 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 (mm) - Class 900
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 |
Use Class 1500 dimensions in these sizes. Socket welding flanges may be provided in NPS 1/2 through 2 1/2 using class 1500 dimensions |
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│ | │ | ||||||||||||||
65 | 2-1/2 | ||||||||||||||
80 | 3 | 241 | 38.1 | 101.6 | 54 | 54 | 127 | 127.0 | 10 | - | 92 | 41.1 | 190.5 | 8 | 26 |
100 | 4 | 292 | 44.5 | 114.3 | 70 | 70 | 159 | 157.2 | 11 | - | 118 | 47.8 | 235.0 | 8 | 32 |
125 | 5 | 349 | 50.8 | 127.0 | 79 | 79 | 190 | 185.7 | 11 | - | 145 | 53.8 | 279.4 | 8 | 35 |
150 | 6 | 381 | 55.7 | 130.7 | 86 | 86 | 25 | 215.9 | 13 | - | 171 | 57.2 | 317.5 | 12 | 32 |
200 | 8 | 470 | 63.5 | 162.1 | 102 | 114 | 298 | 269.7 | 13 | - | 222 | 63.5 | 393.7 | 12 | 39 |
250 | 10 | 545 | 69.9 | 184.2 | 108 | 127 | 368 | 323.8 | 13 | - | 276 | 71.4 | 469.9 | 16 | 39 |
300 | 12 | 610 | 79.3 | 200.2 | 117 | 143 | 419 | 381.0 | 13 | - | 329 | 76.2 | 533.4 | 20 | 39 |
350 | 14 | 640 | 85.9 | 212.9 | 130 | 156 | 451 | 412.8 | 13 | - | 360 | 82.6 | 558.8 | 20 | 42 |
400 | 16 | 705 | 88.9 | 215.9 | 133 | 165 | 508 | 469.9 | 13 | - | 411 | 85.9 | 616.0 | 20 | 45 |
450 | 18 | 785 | 101.6 | 228.6 | 152 | 191 | 565 | 533.4 | 13 | - | 462 | 88.9 | 685.8 | 20 | 51 |
500 | 20 | 855 | 108.0 | 247.6 | 159 | 210 | 622 | 584.2 | 13 | - | 513 | 91.9 | 749.3 | 20 | 54 |
600 | 24 | 1040 | 139.7 | 292.1 | 203 | 267 | 749 | 692.2 | 13 | - | 614 | 101.6 | 901.7 | 20 | 67 |
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 |
Use Class 600 dimensions in these sizes. Socket Welding flanges may be provided in NPS 1/2 through 3 1/2 using class 600 dimensions |
|||||||||||
15 | 1/2 | ||||||||||||
│ | │ | ||||||||||||
65 | 2-1/2 | R31 | 156 | 123.82 | 7.92 | 11.91 | 0.8 | 13.5 | 11.7 | 13.2 | - | 11.3 | 11.6 |
80 | 3 | R37 | 181 | 149.22 | 7.92 | 11.91 | 0.8 | 21.9 | 19.7 | 22.1 | - | 23.1 | 19.8 |
100 | 4 | R41 | 216 | 180.98 | 7.92 | 11.91 | 0.8 | 35.5 | 32.2 | 36.6 | - | 36.7 | 32.4 |
125 | 5 | R45 | 242 | 211.12 | 7.92 | 11.91 | 0.8 | 46.6 | 41.9 | 47.7 | - | 47.6 | 42.1 |
150 | 6 | R49 | 308 | 269.88 | 7.92 | 11.91 | 0.8 | 79 | 71 | 83 | - | 86.2 | 71.6 |
200 | 8 | R53 | 362 | 323.85 | 7.92 | 11.91 | 0.8 | 118 | 102 | 122 | - | 124.7 | 102 |
250 | 10 | R57 | 420 | 381.00 | 7.92 | 11.91 | 0.8 | 159 | 136 | 174 | - | 167.8 | 136 |
300 | 12 | R62 | 467 | 419.10 | 11.13 | 16.66 | 1.5 | 179 | 152 | 206 | - | 188.2 | 153 |
350 | 14 | R66 | 524 | 469.90 | 11.13 | 16.66 | 1.5 | 219 | 184 | 259 | - | 210.9 | 186 |
400 | 16 | R70 | 594 | 533.40 | 12.70 | 19.84 | 1.5 | 296 | 256 | 366 | - | 294.8 | 258 |
450 | 18 | R74 | 648 | 584.20 | 12.70 | 19.84 | 1.5 | 369 | 315 | 461 | - | 367.4 | 317 |
500 | 20 | R78 | 772 | 692.15 | 15.88 | 26.97 | 2.3 | 686 | 605 | 875 | - | 703.1 | 608 |
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